Company Description

The platform is a sophisticated trading system that integrates with multiple cryptocurrency exchanges, implements market-making strategies, and provides real-time data processing and visualization. The project utilizes a modern tech stack including:

Role Description

This is a full-time remote role for a Lead Software Engineer at SKL Ventures. The Lead Software Engineer will be responsible for overseeing the development and implementation of software projects, ensuring the quality and efficiency of the systems. Daily tasks include back-end web development, software development, programming, and applying object-oriented programming principles. Must have a rigorous understanding of financial markets and exchange-based APIs

• Backend: Node.js, TypeScript, Express
• Frontend: React (for CLI interface)
• Build and Deployment: NX (monorepo), PM2, GitHub Actions
• Messaging: ZeroMQ
• Monitoring: Prometheus
• Testing: Jest
• Cloud Services: AWS (Secrets Manager), Digital Ocean

Qualifications

• Bachelor's or Master's degree in Computer Science or related field
• Bachelor's or Master's degree in Quantitative finance or related field
• Back-End Web Development expertise
• Proficiency in Programming and Object-Oriented Programming (OOP)
• Experience in leading software development projects
• Strong problem-solving and analytical skills
• Ability to work independently and remotely
• Excellent communication and teamwork skills

About the Company

Gemini is a global crypto and Web3 platform founded by Tyler Winklevoss and Cameron Winklevoss in 2014. Gemini offers a wide range of crypto products and services for individuals and institutions in over 70 countries.

Crypto is about giving you greater choice, independence, and opportunity. We are here to help you on your journey. We build crypto products that are simple, elegant, and secure. Whether you are an individual or an institution, we help you buy, sell, and store your bitcoin and cryptocurrency.

At Gemini, our mission is to unlock the next era of financial, creative, and personal freedom.

In the United States, we have a flexible hybrid work policy for employees who live within 30 miles of our office headquartered in New York City and our office in Seattle. Employees within the New York and Seattle metropolitan areas are expected to work from the designated office twice a week, unless there is a job-specific requirement to be in the office every workday. Employees outside of these areas are considered part of our remote-first workforce. We believe our hybrid approach for those near our NYC and Seattle offices increases productivity through more in-person collaboration where possible.

The Department: Acquisition & Activation

The Role: Software Engineer (Mobile)

Our mobile engineers are experts at making Gemini's mission clear and accessible to our customers through intelligent development of well-designed visual elements. An ideal candidate will have a strong aptitude for identifying opportunities to improve user experience, experience translating design frameworks into code to improve the Gemini mobile app, and a proactive desire to collaborate with fellow developers, designers, and marketing managers to present a shared artistic vision.

Responsibilities:

• Focus on leading technical decision making building highly complex, highly trafficked, consumer facing web services
• Build elegant and efficient maintainable solutions in React Native
• Collaborate with product managers, designers, and backend engineers to design and deliver high-quality products on iOS and Android
• Act as the go-to expert in with an increasingly strategic mindset
• Drive technical innovation, processes, and best practices required to deliver best-in-class mobile applications
• Lead and mentor a high-performing team of engineers

Minimum Qualifications:

• You have 2+ years of React Native experience
• You have 4+ years of frontend/mobile development experience
• You are comfortable working with Typescript and/or Javascript, but also not afraid to jump into Swift or Kotlin as needed
• You have a strong understanding of UX/UI concepts and a demonstrated record of design sensibility
• You have knowledge of mobile best practices and stay informed about innovations in the mobile industry
• You have experience writing unit tests with Jest and React Native Testing Library

Preferred Qualifications:

• Experience working with Bitcoin, Ethereum, and/or blockchain technology a huge plus
• Experience with using Storybook for UI component documentation
• Experience with React Native Reanimated
• Knowledge of unit and integration testing
• Knowledge of accessibility best practices
• Able to change direction quickly based on shifting company needs

• Competitive starting salary
• A discretionary annual bonus
• Long-term incentive in the form of a new hire equity grant
• Comprehensive health plans
• 401K with company matching
• Paid Parental Leave
• Flexible time off

Salary Range: The base salary range for this role is between $120,000 - $150,000 in the State of New York, the State of California and the State of Washington. This range is not inclusive of our discretionary bonus or equity package. When determining a candidate’s compensation, we consider a number of factors including skillset, experience, job scope, and current market data.

At Gemini, we strive to build diverse teams that reflect the people we want to empower through our products, and we are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, or Veteran status. Equal Opportunity is the Law, and Gemini is proud to be an equal opportunity workplace. If you have a specific need that requires accommodation, please let a member of the People Team know.

#LI-AA1

About the Company

Gemini is a global crypto and Web3 platform founded by Tyler Winklevoss and Cameron Winklevoss in 2014. Gemini offers a wide range of crypto products and services for individuals and institutions in over 70 countries.

Crypto is about giving you greater choice, independence, and opportunity. We are here to help you on your journey. We build crypto products that are simple, elegant, and secure. Whether you are an individual or an institution, we help you buy, sell, and store your bitcoin and cryptocurrency.

At Gemini, our mission is to unlock the next era of financial, creative, and personal freedom.

In the United States, we have a flexible hybrid work policy for employees who live within 30 miles of our office headquartered in New York City and our office in Seattle. Employees within the New York and Seattle metropolitan areas are expected to work from the designated office twice a week, unless there is a job-specific requirement to be in the office every workday. Employees outside of these areas are considered part of our remote-first workforce. We believe our hybrid approach for those near our NYC and Seattle offices increases productivity through more in-person collaboration where possible.

The Department: Acquisition & Activation

The Role: Senior Software Engineer (Frontend)

As a Senior Frontend Engineer, you’ll work with a cross-functional team of web, mobile, and backend engineers to help solve complex problems that will directly influence the direction of the digital asset space. As part of this role, you’ll help drive customer experience improvements to set us apart in the industry and build a world-class crypto exchange. If you get excited about solving technical challenges that directly impact our customers, clients, and the rest of the Gemini team, we’d love to hear from you.

Responsibilities:

• Lead the design and development of high-quality features on the Gemini platform, collaborating closely with product managers, designers, and other engineers.
• Architect and build efficient, reusable UI components and solutions that are reliable, performant, and maintainable.
• Review and provide constructive feedback on code written by other engineers, ensuring correctness, >
• Own and drive the DevOps lifecycle for products, ensuring high-quality delivery and maintenance throughout the product's lifetime.
• Provide technical leadership and guidance during the planning, design, and requirements phases for new products and features.
• Mentor junior engineers and foster a culture of continuous improvement and technical excellence within the team.

Minimum Qualifications:

• 5+ years of experience building consumer-facing web applications at scale.
• Proficiency in JavaScript/TypeScript and deep experience with React.js.
• Experience integrating and interacting with content management systems (CMS) like Contentful and Builder.io.
• In-depth knowledge of web best practices, with a proactive approach to staying informed about industry innovations.
• Strong understanding of UX/UI principles, with a demonstrated ability to influence design and product decisions.
• Proven ability to work collaboratively across teams and time zones, managing dependencies and guiding projects to successful outcomes.
• A customer and product-focused mindset, capable of making well-reasoned tradeoffs between speed and quality.
• Ability to handle and prioritize multiple competing tasks effectively, with a focus on delivering high-impact solutions.

Preferred Qualifications:

• Expertise in unit and integration testing, with a strong emphasis on ensuring code quality.
• Experience using performance analysis tools to optimize frontend performance.
• A track record of influencing product decisions through data-driven insights.
• Experience working with experimentation frameworks and tools.
• Experience integrating and maintaining analytics tools and events.
• Familiarity with crypto products as a user, with a strong interest in the space.
• Experience with mobile development using React Native or interest in learning.

• Competitive starting salary
• A discretionary annual bonus
• Long-term incentive in the form of a new hire equity grant
• Comprehensive health plans
• 401K with company matching
• Paid Parental Leave
• Flexible time off

Salary Range: The base salary range for this role is between $152,000 - $190,000 in the State of New York, the State of California and the State of Washington. This range is not inclusive of our discretionary bonus or equity package. When determining a candidate’s compensation, we consider a number of factors including skillset, experience, job scope, and current market data.

At Gemini, we strive to build diverse teams that reflect the people we want to empower through our products, and we are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, or Veteran status. Equal Opportunity is the Law, and Gemini is proud to be an equal opportunity workplace. If you have a specific need that requires accommodation, please let a member of the People Team know.

#LI-AA1

We believe that the onchain platform is the most important builder platform since the internet (“online”). We believe that the onchain platform should be open source, free to use, and globally available. And we believe that in order to make it really work, we need all hands on deck, working together to scale in a secure, decentralized, easy-to-use way.

At Base, we live by our Stay Based values: we do the right thing, work hard, stay optimistic, prioritize the team, and push creative boundaries—all while building the future of onchain. We value a Zone 3+ work ethic, where our team rises to the challenge, embraces hard weeks, and makes small to significant personal tradeoffs when necessary to drive impact and innovation.

Base is incubated within Coinbase and plans to progressively decentralize in the years ahead. We believe that decentralization is critical to creating an open, global crypto economy that is accessible to everyone.

Base is built on Optimism’s open-source OP Stack. We’re joining as the second Core Dev team working on the OP Stack to ensure it’s a public good available to everyone; and contributing a portion of sequencer revenue to funding public goods.

We are looking for a strong frontend leaning Senior React Native Engineerto join the Wallet team to enable and accelerate the success of Base. Our team is on a mission to bring the next billion users onchain. Enabling creators to earn, surfacing onchain UGC content, making payments as easy as a tap, messaging your friends in group chats, and trading crypto – are all just the start of the next consumer app to unlock innovation, creativity, and freedom for everyone.

What you'll be doing:

• Building and maintaining our frontend mobile and web applications with high quality standards
• Work at the bleeding edge of onchain app development to build high quality experiences that are simple and delightful to users.
• Open sourcing our web apps and libraries, and supporting open source contributions and issues from the community
• Assisting teams inside Coinbase building onchain products, leveraging industry best practices and modern app development pattern

What we look for in you:

• You have at least 5 years of experience in developing web and mobile apps and shipping user-facing features with JavaScript and modern js frameworks like React and NextJS
• You've developed and shipped user-facing features with onchain components
• You have deep user empathy and are unafraid to talk to users daily to build product intuition
• You’re familiar with current trends and best practices in frontend architecture and onchain app development, including security, performance, and usability.
• You’re familiar and able to drive product and design lifecycles, and collaborate closely with designers, engineers, and product managers
• You write high quality, well tested and maintainable code

Nice to haves:

• You’ve worked with Golang, Geth, Foundry, Solidity
• You have contributed to open source crypto projects, for example OP Stack contributions or Base contributions
• Experience with growth experiments or A/B testing frameworks
• You’ve built responsive web and mobile applications

Job #: GBFE05US

Commitment to Equal Opportunity

Coinbase is committed to diversity in its workforce and is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, creed, gender, national origin, age, disability, veteran status, sex, gender expression or identity, sexual orientation or any other basis protected by applicable law. Coinbase will also consider for employment qualified applicants with criminal histories in a manner consistent with applicable federal, state and local law. For US applicants, you may viewPay Transparency,Employee RightsandKnow Your Rightsnotices by clicking on their corresponding links. Additionally, Coinbase participates in theE-Verify programin certain locations, as required by law.

Coinbase is also committed to providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process, please send an e-mail to accommodations[at]coinbase.com and let us know the nature of your request and your contact information. For quick access to screen reading technology compatible with this site click here to download a free compatible screen reader (free step by step tutorial can be found here).

Global Data Privacy Notice for Job Candidates and Applicants

Depending on your location, the General Data Protection Regulation (GDPR) and California Consumer Privacy Act (CCPA) may regulate the way we manage the data of job applicants. Our full notice outlining how data will be processed as part of the application procedure for applicable locations is available here. By submitting your application, you are agreeing to our use and processing of your data as required. For US applicants only, by submitting your application you are agreeing to arbitration of disputes as outlined here.

We're looking for a developer with hands-on experience in React Native, with a portfolio that showcases mobile applications that have great user experiences or solved complex problems. Experience in fintech or another fast-paced industry is a plus.

Responsibilities:

• Write clean, maintainable, and well-documented code.
• Develop new features from provided requirements and UX designs.
• Debug and resolve technical issues, bugs, and performance bottlenecks.
• Stay up to date with the latest trends and best practices in mobile app development.
• Contribute to architectural decisions and technical design discussions.

Requirements:

• Considerable amount of experience in React Native / Expo development.
• Strong proficiency in Typescript and React Native development tools.
• Familiarity with RESTful APIs and asynchronous programming.
• Solid understanding of mobile app architecture and design patterns.
• Basic knowledge of native Android and iOS development is a plus.
• Basic understanding of web3 and blockchain technologies is a plus.
• Experience working in a Scrum/Agile development environment.
• Excellent problem-solving and communication skills.
• Ability to work independently and as part of a fast moving team.
• A passion for learning and staying updated with emerging technologies.
• Experience with react-query or gifted-chat is a plus.

Job Description:

We are looking for a highly skilled MERN Stack Backend Developer to join our team. The ideal candidate will have in-depth knowledge of MongoDB, Express.js, Node.js, and RESTful APIs, with hands-on experience in building, optimizing, and scaling backend services for modern mobile and web applications.

As a key member of our team, you will be responsible for developing high-performance backend services, integrating with third-party systems, and ensuring security and data integrity across our applications.

Key Responsibilities:

• Design, develop, and maintain scalable backend systems using Node.js and Express.js.
• Implement and optimize MongoDB schemas and queries to ensure high performance and scalability.
• Develop and maintain RESTful APIs to support the frontend and mobile apps.
• Integrate external APIs and third-party services into the backend infrastructure.
• Write reusable, testable, and efficient code with a focus on performance and scalability.
• Collaborate with frontend developers and product teams to ensure seamless integration.
• Ensure the security and privacy of the application’s data and backend infrastructure.
• Implement automated testing and continuous integration pipelines for backend services.
• Monitor and troubleshoot production issues, optimizing performance as necessary.

Required Skills and Qualifications:

• Strong proficiency in Node.js and Express.js.
• Experience with MongoDB and creating efficient database schemas and queries.
• Familiarity with RESTful APIs, and working with third-party services and integrations.
• Understanding of the entire web development process (design, development, deployment).
• Experience with version control tools like Git.
• Knowledge of API security practices, including OAuth and JWT.
• Proficient understanding of code versioning tools, such as Git.
• Experience with Agile methodologies and development tools (JIRA, Trello, etc.).
• Strong problem-solving skills and ability to work independently.

Nice to Have:

• Experience with cloud platforms such as AWS
• Knowledge of containerization technologies (Docker, Kubernetes).
• Knowledge of blockchain development (specifically Solana).
• Familiarity with frontend technologies, especially React.js and React Native

Why Join Us?

• Opportunity to work with a dynamic and innovative team.
• Flexible working hours and the option to work remotely.
• Career growth opportunities in a rapidly expanding company.
• Competitive salary and benefits.

At Coinbase, our mission is to increase economic freedom around the world, and we couldn’t do this without hiring the best people. We’re a group of hard-working overachievers who are deeply focused on building the future of finance and Web3 for our users across the globe, whether they’re trading, storing, staking or using crypto. Know those people who always lead the group project? That’s us.

There are a few things we look for across all hires we make at Coinbase, regardless of role or team. First, we look for candidates who will thrive in a culture like ours, where we default to trust, embrace feedback, and disrupt ourselves. Second, we expect all employees to commit to our mission-focused approach to our work. Most importantly, we seek people who are excited about crypto, because those are the folks who enjoy the intense moments in our sprint and recharge work culture. We’re a remote-first company looking to hire the absolute best talent all over the world.

Who you are:

• You’ve got positive energy. You’re optimistic about the future and determined to get there.
• You’re never tired of learning. You want to be a pro in bleeding edge tech like DeFi, NFTs, DAOs, and Web 3.0.
• You appreciate direct communication. You’re both an active communicator and an eager listener - because let’s face it, you can’t have one without the other. You’re cool with candid feedback and see every setback as an opportunity to grow.
• You can pivot on the fly. Crypto is constantly evolving, so our priorities do, too. What you worked on last month may not be what you work on today, and that excites you. You’re not looking for a boring job.
• You have a “can do” attitude. Our teams create high-quality work on quick timelines. Owning a problem doesn’t scare you, but rather empowers you to take 100% responsibility for achieving our mission.
• You want to be part of a winning team. We’re stronger together, and you’re a person who embraces being pushed out of your comfort zone.

Commitment to Equal Opportunity

Coinbase is committed to diversity in its workforce and is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, creed, gender, national origin, age, disability, veteran status, sex, gender expression or identity, sexual orientation or any other basis protected by applicable law. Coinbase will also consider for employment qualified applicants with criminal histories in a manner consistent with applicable federal, state and local law. For US applicants, you may view the Know Your Rights notice here. Additionally, Coinbase participates in the E-Verify programin certain locations, as required by law.

Coinbase is also committed to providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process, please contact us at accommodations[at]coinbase.com to let us know the nature of your request and your contact information. For quick access to screen reading technology compatible with this site click here to download a free compatible screen reader (free step by step tutorial can be found here).

Global Data Privacy Notice for Job Candidates and Applicants

Depending on your location, the General Data Protection Regulation (GDPR) and California Consumer Privacy Act (CCPA) may regulate the way we manage the data of job applicants. Our full notice outlining how data will be processed as part of the application procedure for applicable locations is available here. By submitting your application, you are agreeing to our use and processing of your data as required. For US applicants only, by submitting your application you are agreeing to arbitration of disputes as outlined here.

About the Company

Gemini is a global crypto and Web3 platform founded by Tyler Winklevoss and Cameron Winklevoss in 2014. Gemini offers a wide range of crypto products and services for individuals and institutions in over 70 countries.

Crypto is about giving you greater choice, independence, and opportunity. We are here to help you on your journey. We build crypto products that are simple, elegant, and secure. Whether you are an individual or an institution, we help you buy, sell, and store your bitcoin and cryptocurrency.

At Gemini, our mission is to unlock the next era of financial, creative, and personal freedom.

In the United States, we have a flexible hybrid work policy for employees who live within 30 miles of our office headquartered in New York City and our office in Seattle. Employees within the New York and Seattle metropolitan areas are expected to work from the designated office twice a week, unless there is a job-specific requirement to be in the office every workday. Employees outside of these areas are considered part of our remote-first workforce. We believe our hybrid approach for those near our NYC and Seattle offices increases productivity through more in-person collaboration where possible.

The Department: Funding

The Role: Manager, Software Engineering

Gemini has about one hundred software engineers spread across a dozen project teams. In this role, you’ll be responsible for helping these teams define their roadmaps, plans, and goals, helping them achieve those goals, and guiding each team member to develop their career at Gemini. Deeply involving yourself in the design and modernization process, and using your existing experience of building cloud systems at scale to guide the team to build robust, scalable and highly available systems.

Responsibilities:

• Create and evolve a structure and organization design for your team.
• Deeply involved with system architecture of the team, guiding the team through new systems being built, or integrating into existing systems. Using prior design experience to identify pitfalls in scaling, performance, availability and helping the team navigate it.
• Helping raise the bar on engineering practices through high quality code review feedbacks, design reviews, testing, and CICD practices.
• Drive performance for your team and hold them accountable to externally and internally imposed deadlines and targets.
• Make hiring plans and hiring decisions.
• Give frequent feedback and coaching to your team members, coordinating with people from around the company to get a full understanding of your team’s performance.
• Provide a diverse, equitable, and inclusive environment for your team to execute on its priorities and evolve its capabilities over time.
• Communicate at all levels from senior leaders to individual contributors, including technical and non-technical audiences.
• Adapt the team’s plans and goals to changing realities in a fast-moving industry.
• Effectively resolve ambiguity, helping the team to analyze complex requirements and break down features and initiatives into tasks.
• Own the team’s output, taking responsibility for everyone’s performance.
• Quickly ramp up on relevant industry and competitive trends.

Qualifications:

• You have 8+ years of experience in software development & delivery.
• You have 3 + years of managing engineering teams, delivering high quality software for customers.
• You're technical enough to ask engineers good questions about architecture and product decisions.
• You have experience with modern software engineering concepts.
• You have expertise in full stack systems built with Scala or Java (or similar) and React Native.
• You have experience establishing successful partnerships with key stakeholders such as product managers, project managers, and business owners.

• Competitive starting salary
• A discretionary annual bonus
• Long-term incentive in the form of a new hire equity grant
• Comprehensive health plans
• 401K with company matching
• Paid Parental Leave
• Flexible time off

Salary Range: The base salary range for this role is between $198,000 - $247,000 in the State of New York, the State of California and the State of Washington. This range is not inclusive of our discretionary bonus or equity package. When determining a candidate’s compensation, we consider a number of factors including skillset, experience, job scope, and current market data.

At Gemini, we strive to build diverse teams that reflect the people we want to empower through our products, and we are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, or Veteran status. Equal Opportunity is the Law, and Gemini is proud to be an equal opportunity workplace. If you have a specific need that requires accommodation, please let a member of the People Team know.

#LI-AA1

About the Company

Gemini is a global crypto and Web3 platform founded by Tyler Winklevoss and Cameron Winklevoss in 2014. Gemini offers a wide range of crypto products and services for individuals and institutions in over 70 countries.

Crypto is about giving you greater choice, independence, and opportunity. We are here to help you on your journey. We build crypto products that are simple, elegant, and secure. Whether you are an individual or an institution, we help you buy, sell, and store your bitcoin and cryptocurrency.

At Gemini, our mission is to unlock the next era of financial, creative, and personal freedom.

In the United States, we have a flexible hybrid work policy for employees who live within 30 miles of our office headquartered in New York City and our office in Seattle. Employees within the New York and Seattle metropolitan areas are expected to work from the designated office twice a week, unless there is a job-specific requirement to be in the office every workday. Employees outside of these areas are considered part of our remote-first workforce. We believe our hybrid approach for those near our NYC and Seattle offices increases productivity through more in-person collaboration where possible.

The Department: Platform

Our Platform organization’s purpose is to enable Gemini to scale effectively and empower our engineering teams to focus on building innovative financial products and experiences for individuals around the world. Platform focuses around building a scalable and secure foundations platform, enabling Engineering to deploy, validate, and operate their services in production, improve resiliency of the service and increase organizational efficiency by reducing operational toil and increase system efficiency through architectural evolution.

The Client Platform team provides a horizontal function that supports and maintains core client development for web and mobile, providing the GraphQL service, testing infrastructure, frontend CI/CD pipeline development, maintaining the Hubble Design System and providing standards for future client development. The team’s mission is to be the force multiplier for other client teams so that they can deliver with quality and speed.

The Role: Principal Software Engineer

You will be a core part of leading Gemini’s mobile client development practices, both by contributing to and adopting modern tooling for the mobile client from both a client architecture and CI process standpoint, working cross-functionally across Gemini’s engineering teams to influence and shape our development practices and culture.

Responsibilities:

• Drive architectural decisions that will advance the mobile app to a modern development stack.
• Establish and automate the enforcement of best practices in mobile development and code quality.
• Lead the initiatives to architect solutions to improve the performance of the mobile application.
• Monitor app performance and identify and debug performance related issues using observability tooling.
• Collaborate and lead on scoping, planning and executing on cross-functional projects that benefit the client application
• Implement solutions that further the improvement of developer experience with app architecture that scales and is reliable.
• Work closely with relevant stakeholders for the mobile client to execute on architectural rollout strategies.
• Play a key role in technical evaluation of potential tools, libraries and vendor contracts.
• Ensure that the mobile app adheres to security standards and compliance requirements.

Minimum Qualifications:

• 10+ years in mobile development and 5+ years in React Native development.
• Proficient in Swift/Objective-C and/or Java/Kotlin for native mobile platforms.
• Experience implementing navigation libraries and strategies.
• Demonstrable experience in debugging and improving React Native performance.
• Experience in completing large scale migrations and refactoring of a codebase.
• Familiarity with CI processes like Github Actions.

Preferred Qualifications:

• Knowledge of crypto and/or blockchain.
• Experience in implementing shared codebases between web and mobile.

• Competitive starting salary
• A discretionary annual bonus
• Long-term incentive in the form of a new hire equity grant
• Comprehensive health plans
• 401K with company matching
• Paid Parental Leave
• Flexible time off

Salary Range: The base salary range for this role is between $198,000 - $247,000 in the State of New York, the State of California and the State of Washington. This range is not inclusive of our discretionary bonus or equity package. When determining a candidate’s compensation, we consider a number of factors including skillset, experience, job scope, and current market data.

At Gemini, we strive to build diverse teams that reflect the people we want to empower through our products, and we are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, or Veteran status. Equal Opportunity is the Law, and Gemini is proud to be an equal opportunity workplace. If you have a specific need that requires accommodation, please let a member of the People Team know.

At Coinbase, our mission is to increase economic freedom around the world, and we couldn’t do this without hiring the best people. We’re a group of hard-working overachievers who are deeply focused on building the future of finance and Web3 for our users across the globe, whether they’re trading, storing, staking or using crypto. Know those people who always lead the group project? That’s us.

There are a few things we look for across all hires we make at Coinbase, regardless of role or team. First, we look for candidates who will thrive in a culture like ours, where we default to trust, embrace feedback, and disrupt ourselves. Second, we expect all employees to commit to our mission-focused approach to our work. Most importantly, we seek people who are excited about crypto, because those are the folks who enjoy the intense moments in our sprint and recharge work culture. We’re a remote-first company looking to hire the absolute best talent all over the world.

Who you are:

• You’ve got positive energy. You’re optimistic about the future and determined to get there.
• You’re never tired of learning. You want to be a pro in bleeding edge tech like DeFi, NFTs, DAOs, and Web 3.0.
• You appreciate direct communication. You’re both an active communicator and an eager listener - because let’s face it, you can’t have one without the other. You’re cool with candid feedback and see every setback as an opportunity to grow.
• You can pivot on the fly. Crypto is constantly evolving, so our priorities do, too. What you worked on last month may not be what you work on today, and that excites you. You’re not looking for a boring job.
• You have a “can do” attitude. Our teams create high-quality work on quick timelines. Owning a problem doesn’t scare you, but rather empowers you to take 100% responsibility for achieving our mission.
• You want to be part of a winning team. We’re stronger together, and you’re a person who embraces being pushed out of your comfort zone.

Commitment to Equal Opportunity

Coinbase is committed to diversity in its workforce and is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, creed, gender, national origin, age, disability, veteran status, sex, gender expression or identity, sexual orientation or any other basis protected by applicable law. Coinbase will also consider for employment qualified applicants with criminal histories in a manner consistent with applicable federal, state and local law. For US applicants, you may view the Know Your Rights notice here. Additionally, Coinbase participates in the E-Verify programin certain locations, as required by law.

Coinbase is also committed to providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process, please contact us at accommodations[at]coinbase.com to let us know the nature of your request and your contact information. For quick access to screen reading technology compatible with this site click here to download a free compatible screen reader (free step by step tutorial can be found here).

Global Data Privacy Notice for Job Candidates and Applicants

Depending on your location, the General Data Protection Regulation (GDPR) and California Consumer Privacy Act (CCPA) may regulate the way we manage the data of job applicants. Our full notice outlining how data will be processed as part of the application procedure for applicable locations is available here. By submitting your application, you are agreeing to our use and processing of your data as required. For US applicants only, by submitting your application you are agreeing to arbitration of disputes as outlined here.

Company Overview:

Quantinium is an innovative blockchain startup building the internet of the future. We are creating a global, wireless, decentralized network where users can become network providers by reconfiguring their routers. This system enables seamless connection to a secure worldwide wireless network, rewarding providers with tokens for contributing bandwidth. Our mission is to decentralize connectivity, enhance digital security, and democratize access to the internet, creating a more open and equitable digital landscape.

Job Description:

We are seeking an experienced React Native Mobile App Developer to join our dynamic team. You will be responsible for building and maintaining mobile applications for both iOS and Android platforms that support our decentralized network. You’ll also work closely with PMs, designers, backend developers, and blockchain experts to deliver robust, scalable, and user-friendly mobile solutions.

Key Responsibilities:

• Develop and maintain Quantinium's mobile applications for iOS and Android using React Native.
• Build mobile apps for WiFi users and network providers, integrating Web3 functionalities (e.g., blockchain wallets, decentralized apps).
• Collaborate with backend developers to integrate apps with services built in Go, ensuring smooth functionality and performance.
• Work with databases and cloud services (e.g., MongoDB, AWS) to optimize apps for speed, scalability, and security.
• Implement responsive designs, animations, and micro-interactions to enhance user experience.
• Participate in code reviews, contribute to shared code libraries, and improve architecture and development processes.
• Stay updated on emerging technologies and trends in mobile development, Web3, blockchain, and decentralized networks.
• Work cross-functionally with product managers, designers, and blockchain developers to align on requirements and deliverables.

Qualifications:

• 3+ years of experience in mobile app development using React Native.
• Extensive experience (5+ years) in building and scaling large mobile applications for mass usage.
• Proficiency in developing for both iOS and Android platforms using React Native.
• Familiarity with Go-based server structures, backend integration, AWS cloud services, and MongoDB databases.
• Strong understanding of responsive design principles, mobile animations, and cross-platform compatibility.
• Knowledge of security best practices, performance optimization, and mobile user experience.
• Ability to work collaboratively in a fast-paced startup environment.
• Strong problem-solving, communication skills, and a proactive attitude.
• Experience with Agile development practices and cross-functional collaboration.

Nice to Have:

• Contributions to open-source projects or experience maintaining libraries and frameworks.
• Hands-on experience with Web3 technologies, including blockchain wallets and decentralized applications.

Additional Technical Skills (Optional):

• Proficiency in JavaScript and TypeScript, including asynchronous programming.
• Experience with RESTful APIs, offline storage, and third-party libraries.
• Familiarity with unit testing, integration tests, and debugging using tools like Jest and Enzyme.
• Knowledge of UI/UX design principles, ensuring the technical feasibility of designs.

Why Join Quantinium?

• Be a part of an ambitious startup shaping the future of the internet with blockchain technology.
• Collaborate with a passionate team eager to make a global impact.
• Enjoy a flexible, remote-friendly environment with opportunities for growth.
• Competitive salary, equity options, and benefits package.

About the Company

Gemini is a global crypto and Web3 platform founded by Tyler Winklevoss and Cameron Winklevoss in 2014. Gemini offers a wide range of crypto products and services for individuals and institutions in over 70 countries.

Crypto is about giving you greater choice, independence, and opportunity. We are here to help you on your journey. We build crypto products that are simple, elegant, and secure. Whether you are an individual or an institution, we help you buy, sell, and store your bitcoin and cryptocurrency.

At Gemini, our mission is to unlock the next era of financial, creative, and personal freedom.

In the United States, we have a flexible hybrid work policy for employees who live within 30 miles of our office headquartered in New York City and our office in Seattle. Employees within the New York and Seattle metropolitan areas are expected to work from the designated office twice a week, unless there is a job-specific requirement to be in the office every workday. Employees outside of these areas are considered part of our remote-first workforce. We believe our hybrid approach for those near our NYC and Seattle offices increases productivity through more in-person collaboration where possible.

The Department: Credit Card

The Role:Software Engineer (Mobile)

As an engineer on our mobile team, you’ll architect and solve complex problems that will directly influence the direction of the credit card space. There's a wide range of challenges to tackle – from ensuring the secure handling of millions of dollars worth of customer transactions, to developing innovative new credit card features, to optimizing our API response times to enhance the customer experience. We have a strong culture of code reviews, and a focus on security, with the end goal of writing and shipping high-quality code by getting things right the first time. As we scale and grow our business, we are committed to building the best credit card products in the industry. If you get excited about solving technical challenges that directly impact our customers, and the rest of the Gemini team, we’d love to hear from you.

Responsibilities:

• Collaborate with product managers, designers, and other engineers to design and deliver high-quality products on iOS and Android.
• Build efficient and reusable UI components and architect reliable, performant, and maintainable solutions.
• Lead teams that continuously build, ship, learn, and iterate.
• Drive technical innovation, processes, and best practices required to deliver best-in-class mobile applications.
• Mentor and develop a high-performing team of engineers.
• Independently scope and implement solutions for their project/team.
• Be an expert in our processes, also helping to define them. Keeps tests up to date and conducts QA before releasing products with cross functional teams.
• Write meaningful code reviews.
• Handle open-ended problems and ambiguity well.
• Make well-reasoned design decisions, identifying potential issues, trade offs, risks, and the appropriate level of abstraction.
• Proficient in all relevant technical skills, and able to move quickly because of deep understanding of large portions of the codebase.
• Lead and coach within their team where possible, trusted with team decisions.
• Start to broaden impact. Consider effects of their work on other teams, as well as identifying and helping to resolve problems facing the team.
• Contribute to the foundational good of their domain and engineering overall, defining patterns and examples, plus paying down tech debt.
• Maintain awareness of industry trends and tools.
• Debug expertly within their primary focus area.

Minimum Qualifications:

• You have at least 2-3 years of experience building mobile applications.
• You have at least 2 years experience using React Native to build cross-platform mobile applications.
• You have at least 1-2 years of experience with E2E and unit testing.
• You are comfortable working with JavaScript/Typescript, but also not afraid to jump into Swift or Kotlin as needed.
• You have knowledge of mobile best practices and stay informed about innovations in the mobile industry.
• You have a strong understanding of UX/UI concepts and a demonstrated record of design and product sensibility.

Preferred Qualifications:

• Expertise in unit and integration testing.
• Experience working with performance analysis tooling.
• Experience working with Fastlane and/or build automation tooling.
• Experience influencing product decisions with data.
• Experience working autonomously with distributed teams.
• Embraces big challenges as opportunities for growth.
• Able to change direction quickly based on shifting company needs.

• Competitive starting salary
• A discretionary annual bonus
• Long-term incentive in the form of a new hire equity grant
• Comprehensive health plans
• 401K with company matching
• Paid Parental Leave
• Flexible time off

Salary Range: The base salary range for this role is between $120,000 - $150,000 in the State of New York, the State of California and the State of Washington. This range is not inclusive of our discretionary bonus or equity package. When determining a candidate’s compensation, we consider a number of factors including skillset, experience, job scope, and current market data.

At Gemini, we strive to build diverse teams that reflect the people we want to empower through our products, and we are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, or Veteran status. Equal Opportunity is the Law, and Gemini is proud to be an equal opportunity workplace. If you have a specific need that requires accommodation, please let a member of the People Team know.

#LI-AH1

Company Overview:

Quantinium is an innovative blockchain startup dedicated to building the internet of the future. We are creating a global, wireless, decentralized network that empowers users to become network providers simply by reconfiguring their routers. This groundbreaking system enables users to seamlessly join a secure, worldwide wireless network while providers are rewarded with tokens for contributing bandwidth. Our mission is to decentralize connectivity, enhance digital security, and democratize access to the internet, ultimately creating a more open and equitable digital landscape for everyone. At Quantinium, we believe in harnessing the power of blockchain to create a more connected, efficient, and secure world, and we’re looking for passionate individuals to help us make that vision a reality.

Job Description:

We are seeking a talented and experienced React Web Developer to join our growing team. As a key member of our development team, you will be responsible for designing, building, and scaling websites and applications that support our decentralized network platform. You will work closely with designers, engineers, and blockchain developers to implement pixel-perfect designs, animations, and micro-interactions that create seamless and engaging user experiences.

Key Responsibilities:

• Develop, test, and maintain web applications using React, TypeScript, and modern JavaScript technologies.
• Collaborate with designers to create pixel-perfect UI components, animations, and micro-interactions.
• Optimize web applications for maximum speed, scalability, and responsiveness.
• Integrate with backend services built in Go, and collaborate with backend developers to ensure seamless functionality and performance.
• Work with databases and tools such as MongoDB, AWS, and other components of our tech stack.
• Implement features and functionality that leverage Web3 technologies, including working with blockchains and decentralized networks.
• Participate in code reviews, contribute to shared code libraries, and help improve the overall architecture and development process.
• Stay current with emerging technologies and industry trends, particularly in the Web3, blockchain, and decentralized network spaces.

Qualifications:

• Proven experience as a React Developer, with a strong portfolio showcasing your expertise in web development.
• 3+ years of experience in developing and scaling web applications for mass usage.
• Demonstrated ability to work on complex web projects, ensuring high performance, scalability, and responsiveness.
• JavaScript and TypeScript: Expertise in JavaScript (TypeScript preferred) and front-end frameworks such as React.
• React Ecosystem: Strong understanding of the React ecosystem, including React components, hooks, context API, and state management libraries like Redux.
• Front-end Development: Proficiency in HTML, CSS, and modern JavaScript technologies.
• Backend Integration: Familiarity with Go-based server structures and backend integration.
• Databases and Cloud Services: Experience with databases and tools such as MongoDB, AWS, and other components of our tech stack.
• Web3 Technologies: Understanding of Web3 technologies, including blockchains and decentralized networks.
• Testing and Debugging: Ability to write unit tests, integration tests, and end-to-end tests using frameworks like Jest and Enzyme.
• Version Control: Proficiency in using version control systems like Git.
• Design and User Experience:
  • Strong understanding of responsive design principles and cross-browser compatibility.
  • Knowledge of UI/UX design principles and the ability to ensure technical feasibility of UI/UX designs.
  • Experience in implementing responsive designs, animations, and micro-interactions to create engaging user experiences.
• Security and Performance:
  • Knowledge of best practices in security for web applications, including data encryption and secure data storage.
  • Strong understanding of performance optimization techniques to ensure web applications are fast, scalable, and secure.
• Ability to work collaboratively in a fast-paced startup environment and adapt to changing requirements.
• Strong problem-solving skills, a proactive attitude, and excellent communication skills.

Nice to Have:

• Hands-on experience with Web3 technologies, blockchains, and/or wireless network captive portals.
• Experience contributing to open-source projects or maintaining libraries and frameworks.
• Familiarity with decentralized exchange platforms, blockchain wallets, or other blockchain-related projects.

This comprehensive job description highlights the technical and collaborative expertise needed to be successful in the React Developer role at Quantinium, with a strong emphasis on performance, scalability, security, and Web3 integration 

About the Company

Gemini is a global crypto and Web3 platform founded by Tyler Winklevoss and Cameron Winklevoss in 2014. Gemini offers a wide range of crypto products and services for individuals and institutions in over 70 countries.

Crypto is about giving you greater choice, independence, and opportunity. We are here to help you on your journey. We build crypto products that are simple, elegant, and secure. Whether you are an individual or an institution, we help you buy, sell, and store your bitcoin and cryptocurrency.

At Gemini, our mission is to unlock the next era of financial, creative, and personal freedom.

In the United States, we have a flexible hybrid work policy for employees who live within 30 miles of our office headquartered in New York City and our office in Seattle. Employees within the New York and Seattle metropolitan areas are expected to work from the designated office twice a week, unless there is a job-specific requirement to be in the office every workday. Employees outside of these areas are considered part of our remote-first workforce. We believe our hybrid approach for those near our NYC and Seattle offices increases productivity through more in-person collaboration where possible.

The Department: Credit Card

The Role:Senior Software Engineer (Mobile)

Responsibilities:

• Collaborate with product managers, designers, and other engineers to understand pain points and translate them into technical solutions.
• Build efficient and reusable client tools and architect reliable, performant, and maintainable solutions for our client platforms.
• Drive technical innovation, processes, and best practices required to deliver best-in-class mobile applications.
• Mentor and develop a high-performing team of mobile engineers.
• Contribute to the foundational good of their domain and engineering overall, defining patterns and examples, plus paying down tech debt.
• Make well-reasoned design decisions, identifying potential issues, trade-offs, risks, and the appropriate level of abstraction.
• Proficient in all relevant technical skills, and able to move quickly because of deep understanding of large portions of the codebase.
• Lead and coach within their team where possible, trusted with team decisions.
• Stay up-to-date with the latest industry trends, mobile technologies, and best practices, and actively contribute to the engineering organization.

Minimum Qualifications:

• You have at least 4 years of experience building mobile applications, and at least 6 years of total software engineering experience.
• You have at least 2 years experience using React Native to build cross-platform mobile applications.
• You have at least 2-3 years of experience writing E2E and unit tests.
• You are comfortable working with JavaScript/Typescript, but also not afraid to jump into Swift or Kotlin as needed.
• You have knowledge of mobile best practices and stay informed about innovations in the mobile industry.
• You have a strong understanding of UX/UI concepts and a demonstrated record of design and product sensibility.

Preferred Qualifications:

• Expertise in unit and integration testing.
• Experience working with performance analysis tooling.
• Experience working with Fastlane and/or build automation tooling.
• Experience influencing product decisions with data.
• Experience working autonomously with distributed teams.
• Embraces big challenges as opportunities for growth.
• Able to change direction quickly based on shifting company needs.

It Pays to Work Here

• Competitive starting salary
• A discretionary annual bonus
• Long-term incentive in the form of a new hire equity grant
• Comprehensive health plans
• 401K with company matching
• Paid Parental Leave
• Flexible time off

Salary Range: The base salary range for this role is between $152,000 - $190,000 in the State of New York, the State of California and the State of Washington. This range is not inclusive of our discretionary bonus or equity package. When determining a candidate’s compensation, we consider a number of factors including skillset, experience, job scope, and current market data.

At Gemini, we strive to build diverse teams that reflect the people we want to empower through our products, and we are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, or Veteran status. Equal Opportunity is the Law, and Gemini is proud to be an equal opportunity workplace. If you have a specific need that requires accommodation, please let a member of the People Team know.

#LI-AH1

About the Company

Gemini is a global crypto and Web3 platform founded by Tyler Winklevoss and Cameron Winklevoss in 2014. Gemini offers a wide range of crypto products and services for individuals and institutions in over 70 countries.

Crypto is about giving you greater choice, independence, and opportunity. We are here to help you on your journey. We build crypto products that are simple, elegant, and secure. Whether you are an individual or an institution, we help you buy, sell, and store your bitcoin and cryptocurrency.

At Gemini, our mission is to unlock the next era of financial, creative, and personal freedom.

In the United States, we have a flexible hybrid work policy for employees who live within 30 miles of our office headquartered in New York City and our office in Seattle. Employees within the New York and Seattle metropolitan areas are expected to work from the designated office twice a week, unless there is a job-specific requirement to be in the office every workday. Employees outside of these areas are considered part of our remote-first workforce. We believe our hybrid approach for those near our NYC and Seattle offices increases productivity through more in-person collaboration where possible.

The Department: Credit Card

The Role: Software Developer (Frontend)

As an engineer on our frontend web team, you’ll architect and solve complex problems that will directly influence the direction of the credit card space. There's a wide range of challenges to tackle – from ensuring the secure handling of millions of dollars worth of customer transactions, to developing innovative new credit card features, to optimizing our API response times to enhance the customer experience. We have a strong culture of code reviews, and a focus on security, with the end goal of writing and shipping high-quality code by getting things right the first time. As we scale and grow our business, we are committed to building the best credit card products in the industry. If you get excited about solving technical challenges that directly impact our customers, and the rest of the Gemini team, we’d love to hear from you.

Responsibilities:

• Develop new products and features for the Gemini Credit Card web page.
• Write and maintain tests to ensure the functionality and accuracy of new product features.
• Provide technical input to the planning, design, and requirements processes for new products and features.
• Review and provide feedback on code from other software engineers, focusing on correctness, effectiveness, >
• Improve the performance, maintainability, and operational efficiency of the Gemini codebase through refactoring and upgrades, ensuring alignment with the latest design systems and industry standards.
• Support your team’s production software by responding to an occasional alert or bug report.

Minimum Qualifications:

• At least 1+ years of software engineering experience.
• Advanced proficiency in at least one language. We mostly use React and Typescript on the frontend – it’s great if you’re comfortable in those or if you’re willing to learn.
• The ability to work closely across teams and manage dependencies.
• A customer and product-focused mindset, with the ability to make well-reasoned tradeoffs between speed and quality.
• The ability to adapt and handle multiple competing priorities in collaboration with peers.

Preferred Qualifications:

• Experience working with or being a power user of Bitcoin, Ethereum, and/or blockchain technology.
• Work experience or knowledge of the finance industry, payments, trading and/or exchange systems.

• Competitive starting salary
• A discretionary annual bonus
• Long-term incentive in the form of a new hire equity grant
• Comprehensive health plans
• 401K with company matching
• Paid Parental Leave
• Flexible time off

Salary Range: The base salary range for this role is between $104,000 - $130,000 in the State of New York, the State of California and the State of Washington. This range is not inclusive of our discretionary bonus or equity package. When determining a candidate’s compensation, we consider a number of factors including skillset, experience, job scope, and current market data.

At Gemini, we strive to build diverse teams that reflect the people we want to empower through our products, and we are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, or Veteran status. Equal Opportunity is the Law, and Gemini is proud to be an equal opportunity workplace. If you have a specific need that requires accommodation, please let a member of the People Team know.

#LI-AH1