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US, EU or Remote (excluding France, Australia and Canada)
Consensys is the leading blockchain and web3 software company founded by Joe Lubin, CEO of Consensys and Co-Founder of Ethereum. Since 2014, Consensys has been at the forefront of innovation, pioneering technological developments within the web3 ecosystem.
Through our product suite, including the MetaMask platform, Infura, Linea, Diligence, and our NFT toolkit Phosphor, we have become the trusted collaborator for users, creators, and developers on their path to build and belong in the world they want to see.
Whether building a dapp, an NFT collection, a portfolio, or a better future, the instinct to build is universal. Consensys inspires and champions the builder instinct in everyone by making web3 universally easy to use and develop on.
Our mission is to unlock the collaborative power of communities by making the decentralized web universally easy to access, use, and build on.
You’ll get to work on the tools, infrastructure, and apps that scale these platforms to onboard one billion participants and 5 million developers. You’ll be constantly exposed to new concepts, ideas, and frameworks from your peers, and as you work on different projects — challenging you to stay at the top of your game. You’ll join a network of builders that reaches the edge of our ecosystem. Consensys alumni have moved on to become tech entrepreneurs, CEOs, and team leads at tech companies.
About MetaMask
We’re building for a future where the internet and world economy empowers people through interactions based on consent, privacy, and free association. Where both communities and individuals flourish. To accomplish that, we’re working hard to make web3 accessible for everyone around the world.
MetaMask is both a crypto wallet and a gateway to the decentralized web. Our tools help people create communities, play video games, access financial services, make payments, invest in assets, protect against economic turmoil, and more. Our browser extension and mobile platforms meet the needs of millions of users and developers across the world.
Originally a humble key manager, today MetaMask serves over 30 million monthly active users as a decentralized application development platform, an aggregator of decentralized cryptocurrency exchanges, and a decentralized identity manager.
What you’ll do
- Develop and Innovate: Support the development of mobile functionalities on Android and iOS platforms, through React Native, ensuring our wallet remains secure and efficient, while developing to enhance cross-platform integration.
- Collaborate: Partner with design and QA teams to deliver superior products that meet the needs of our users. Your role will involve significant collaboration, requiring strong communication and teamwork skills.
- Advance Web3 Technologies: Work on the cutting edge of web3 technologies. Your contributions will be vital in providing safe and innovative mobile solutions within the blockchain space.
Would be great if you brought this to the role
- You have substantial experience (4+ years) in mobile development using React Native in high scale applications.
- You have a proven track record of working effectively with design and QA teams.
- You are comfortable developing features with a broad point of view (system/e2e solutions) in mind.
- Your ability to communicate complex ideas clearly is crucial.
- You thrive in remote work environments, demonstrating a proactive attitude and the ability to self-manage.
- You are known for being kind, empathetic, and a supportive presence in your team.
- An interest in blockchain and an eagerness to learn.
- A passion for our mission and values.
- Proactive and self-driven to be successful working in a remote environment.
- Brings enthusiasm and the hustle to shipping high-quality code.
- Timezone: EST / PST ideally, if in EU/UK you are able to have ~4 hours overlap with the American time zones.
Bonus Points
- You’re a MetaMask user.
- You are passionate about blockchain technology and eager to deepen your involvement in this field.
- Creative and keen to experiment with new technologies.
- Android & iOS platforms native development experience.
- Published Apps on stores.
- Open source contributions.
Don't meet all the requirements? Don't sweat it. We’re passionate about building a diverse team of humans and as such, if you think you've got what it takes for our chaotic-but-fun, remote-friendly, start-up environment—apply anyway, detailing your relevant transferable skills in your cover letter. While we have a pretty good idea of what we need, we're ready for you to challenge our thinking on who needs to be in this role.
The salary range for US-based candidates only will be determined throughout the interview process depending on experience and skills.
In the rapidly evolving Web3 space, we believe that everyone is a builder. This expansive paradigm requires a range of backgrounds, talents, skills, and experiences to influence and shape the future. At Consensys, this diversity fuels our ability to shift control and redefine the realm of possibility. We are committed to ensuring that our technology empowers people and communities with economic and political agency through decentralized technologies. We welcome the range of perspectives and differences and celebrate them. We're excited to see how your unique skills as a builder can contribute to our vision, drive innovation, and help us shape a more inclusive Web3.
Consensys is an equal opportunity employer. All employment decisions are made without regard to race, color, national origin, ancestry, sex, gender, gender identity or expression, sexual orientation, age, genetic information, religion, disability, medical condition, pregnancy, marital status, family status, veteran status, or any other characteristic protected by law. Consensys is aware of fraudulent recruitment practices and we encourage all applicants to review our best practices to protect yourself which can be found (https://consensys.io/careers/best-practices-to-avoid-recruitment-fraud/).
Apply Now:
Onchain Foundation
Remote
About us
Pass App is on a mission to ignite financial freedom and true ownership for people everywhere. Each member of our team takes ownership and contributes a unique piece to our journey into the exciting realm of web3. Together, we craft more than just meaningful products and services—we create a lasting tangible impact in the real world.
We want you to join our search for greatness at the edge of what is technologically possible. Are you tired of the ordinary? Crave a challenge that sparks passion and purpose? We’d love to have you apply!
The role you’re applying for
As we aim to simplify the web3 experience, enhance user engagement through personalized recommendations, and take our users along in this journey of web3 awareness, we are leveraging cutting-edge AI technology to build a scalable web3 solution that abstracts away all the underlying complexity. With the expansion of our AI capabilities, we’re looking to onboard a Senior Data Scientist with a passion leveraging data to shape user-centric AI solutions in the rapidly evolving Web3 space. You will play a key role in building our recommendation systems and AI-assistant.
What you’ll be doing
- Perform advanced analytics and statistical modeling on on-chain and external (off-chain) data to derive actionable insights.
- Develop predictive models to forecast market trends, user behavior, and asset performance in the cryptocurrency space.
- Build and refine recommendation engines to enhance user experience, such as portfolio optimization suggestions, NFT recommendations, and tailored Web3 services.
- Collaborate with data engineers to ensure efficient data pipeline integration for real-time analytics.
- Design experiments and conduct A/B testing to validate the impact of recommendations and AI-driven decisions.
- Build AI agents that function as smart portfolio managers.
- Stay updated with emerging trends in blockchain analytics and data science methodologies.
What we’re looking for
- 5-7 years of strong background in building machine learning models and performing statistical analysis.
- Expertise in Python and data science libraries such as Pandas, NumPy, and Scikit-learn.
- Experience with big data platforms and query languages (e.g., SQL, Spark).
- Familiarity with time-series analysis and predictive modeling techniques.
- Ability to analyze large datasets from blockchain and Web3 platforms for sentiment analysis and behavioral patterns.
Nice to have:
- Familiarity with blockchain and Web3 ecosystems, including understanding of cryptocurrency markets.
- Experience with natural language processing (NLP) for extracting insights from social media or forums.
- Experience with building AI agents and the necessary guardrails for appropriate functioning.
We got you covered
Working remotely is more than just a benefit or a perk. We believe in the power of remote work to unleash creativity and passion. Join our globally remote team with 35+ different nationalities and enjoy the flexibility to work from anywhere in the universe. As long as you are available in the European working timezone.
Join our team and pursue your passions on your own terms, while we provide you with a competitive compensation package including attractive “crypto-native” bonuses, learning and development budgets, personal development plans and team retreats to fuel your web3 curiosity.
Alabama Solutions, through its innovative spinoff, HNDevs, is Seeking a Senior Blockchain Developer to lead the development of a high-value fashion NFT marketplace. This role requires Solana smart contract expertise, Next.js front-end skills, and integrating Web 2.5 features like fiat-to-crypto payments.
Experience developing NFT Marketplaces (from end-to-end) and speaking highly fluent English are a must. Candidates who don't match those key points will be immediately disqualified. Please, review "MUST HAVE" section - Candidates who don't match those key points will be immediately disqualified. ONLY LATAM talent will be taken under consideration - No 3rd parties, agencies of HR Recruitment Firms. KEY RESPONSIBILITIES - Design and deploy secure smart contracts on Solana for NFT minting, tracking, and resale.- Build and integrate NFT marketplaces, ensuring seamless blockchain-to-frontend functionality.
- Develop responsive Next.js interfaces for NFT exploration and transactions.
- Integrate fiat-to-crypto solutions, ensuring transaction security and scalability.
- Collaborate with designers and product managers to deliver features like pre-mint sales and digital closets.
- Optimize performance for high-traffic, sensitive platforms.
- Stay informed on blockchain and NFT innovations to maintain competitive features.
MUST HAVE- 5+ years in smart contract development (Solana or similar).
- 4+ years in scalable Next.js applications.
- Proven experience developing NFT marketplaces from concept to deployment.
- 9+ years in software development with a strong technical foundation.
- Expertise in decentralized systems and crypto payment mechanisms.
NICE TO HAVE- Fashion tech or high-value NFT experience.- Familiarity with fiat-to-crypto integrations.
- Background in scalable solutions for high-traffic platforms.
- Remote Work and Flexibility: We offer the option to work remotely, allowing you to manage your time and achieve a healthy work-life balance. If you prefer, you can also choose to work from any WeWork Location globally or our Montevideo, Uruguay office according to your preferences
- Dynamic hiring process. We don't play around! (if your profile matches the requirements, expect to be reached in a maximum of 2 business days after your application)
- Full-time position (40 hrs a week - OT Possibility) as a contractor.
- We expect only A-Players to apply, therefore remuneration will be according to the expectations.
Apply Now:
Building the Future of Crypto
Our Krakenites are a world-class team with crypto conviction, united by our desire to discover and unlock the potential of crypto and blockchain technology.
What makes us different?
Kraken is a mission-focused company rooted in crypto values. As a Krakenite, you’ll join us on our mission to accelerate the global adoption of crypto, so that everyone can achieve financial freedom and inclusion. For over a decade, Kraken’s focus on our mission and crypto ethos has attracted many of the most talented crypto experts in the world.
Before you apply, please read the Kraken Culture page to learn more about our internal culture, values, and mission. We also expect candidates to familiarize themselves with the Kraken app. Learn how to create a Kraken account here.
As a fully remote company, we have Krakenites in 70+ countries who speak over 50 languages. Krakenites are industry pioneers who develop premium crypto products for experienced traders, institutions, and newcomers to the space. Kraken is committed to industry-leading security, crypto education, and world-class client support through our products like Kraken Pro, Kraken NFT, and Kraken Futures.
Become a Krakenite and build the future of crypto!
Proof of work
The team
Team:
The Growth team drives Kraken’s mission to expand its global user base, focusing on optimizing the entire user journey - from first impressions to retention. Within this broader team, the Onboarding team plays a crucial role by ensuring new users have a seamless, intuitive, and efficient experience when joining Kraken, setting the stage for long-term engagement and trust.
The Onboarding team operates at the intersection of engineering, product, and design, collaborating closely with product managers and designers to craft experiences that align with Kraken’s growth objectives. Your team’s impact will extend beyond engineering, supporting Kraken’s mission by lowering barriers to entry, increasing conversion rates, and enabling a frictionless path for users across the globe. This role offers a unique opportunity to significantly impact how Kraken introduces crypto to the world - one new user at a time.
The opportunity
Design, develop, and maintain high-quality web & mobile applications using React Native
Collaborate with cross-functional teams, including Product, Design, and Backend Engineering, to deliver high-impact features and improvements
Significantly influence technical decisions, contribute to technical strategy discussions, and shape product/domain decisions with an expert understanding of engineering best practices
Mentor junior and senior engineers and provide constructive feedback
Master multiple technologies and stay ahead of the curve with new tools and trends
Design and implement scalable, maintainable, and fault-tolerant systems, with a deep understanding of complex software development architecture and design patterns
Lead and collaborate on complex initiatives, and drive feedback and growth across teams
Drive process improvements and lead by example with advanced experience in multiple software development processes
Skills you should HODL
6+ years of experience in software development, with a focus on web and mobile applications
Deep understanding of JavaScript/TypeScript and proficiency with React Native frameworks
Strong experience of API design, security, and performance optimization
Experience with Next.js and WebSockets
Experience with frontend testing frameworks
Familiarity with modern front-end build pipelines and tooling
Strong understanding of UI/UX best practices and principles
Excellent problem-solving skills, attention to detail, and ability to work independently and as part of a team
Strong written and verbal communication skills in English
Nice to haves
Familiarity with native mobile app development (iOS/Android)
Knowledge of the cryptocurrency industry and blockchain technology
#LI-Remote #LI-ZW1 #APAC
This job is accepting ongoing applications and there is no application deadline.
Please note, applicants are permitted to redact or remove information on their resume that identifies age, date of birth, or dates of attendance at or graduation from an educational institution.
We consider qualified applicants with criminal histories for employment on our team, assessing candidates in a manner consistent with the requirements of the San Francisco Fair Chance Ordinance.
Kraken is powered by people from around the world and we celebrate all Krakenites for their diverse talents, backgrounds, contributions and unique perspectives. We hire strictly based on merit, meaning we seek out the candidates with the right abilities, knowledge, and skills considered the most suitable for the job. We encourage you to apply for roles where you don't fully meet the listed requirements, especially if you're passionate or knowledgable about crypto!
As an equal opportunity employer, we don’t tolerate discrimination or harassment of any kind. Whether that’s based on race, ethnicity, age, gender identity, citizenship, religion, sexual orientation, disability, pregnancy, veteran status or any other protected characteristic as outlined by federal, state or local laws.
Stay in the know
Follow us on Twitter
Learn on the Kraken Blog
Connect on LinkedIn
Apply Now:
Everstake
Remote
- Experience Required: Minimum 5 years in software development
- English Level: Upper-Intermediate or higher
About the Project:
Metaplex is a cutting-edge NFT marketplace platform on the Solana blockchain. This role requires an experienced Senior Rust (Go will be +) Developer to drive backend development, contribute to innovation, and ensure the platform’s scalability and performance.
Key Responsibilities:
Team Collaboration:
- Collaborate with the backend development team, ensuring high standards in code quality, product scalability, and timely delivery.
- Foster a collaborative environment and mentor team members in best practices.
Code Development & Review:
- Write efficient, clean Rust code, and conduct thorough code reviews to uphold development standards.
Communication:
- Maintain effective communication with American partners, articulating ideas and technical solutions clearly and persuasively.
Product Architecture:
- Architect scalable, high-performance, and secure systems from the ground up.
- Design and optimize backend architecture for performance, reliability, and resilience in high-traffic environments.
- Apply advanced knowledge in software architecture patterns, microservices, and RESTful API design.
Testing & Quality Assurance:
- Take ownership of the product testing process, implementing testing strategies and maintaining rigorous QA standards.
DevOps & Infrastructure:
- Oversee deployment, infrastructure, and CI/CD pipeline to ensure a smooth development process.
- Strong understanding of networking concepts, including load balancers and routers, with experience handling high-load applications (>1000 RPS) and tuning performance for scalability.
Preferred Qualifications:
Database Expertise:
- Proficiency in database management, schema design, and optimization for large-scale data.
- Experience with RocksDB and some PostgreSQL, rather than traditional big data stacks.
- Knowledge of data synchronization protocols over gRPC.
Knowledge of Go:
Familiarity with Go programming is valued, particularly for cross-functional collaboration and product enhancement.
Blockchain Knowledge:
- Previous experience working with blockchain projects, especially on Solana, is highly preferred.
Advanced Technical Skills:
- Strong grasp of data structures, algorithms, and asynchronous architectures.
- Experience designing solutions for distributed systems in high-growth startups, handling scaling challenges associated with evolving business needs.
Skills and Experience:
- Technical Expertise: At least 5 years in software development, with deep knowledge of Rust (Go will be+).
- Product Ownership: Demonstrated experience in taking ownership of product development, testing, and DevOps integration.
- Analytical and Problem-Solving Skills: Strong decision-making abilities with the capacity to defend technical choices effectively.
- Team Collaboration: Excellent interpersonal skills for working within an international team and collaborating across time zones.
- Passion for Blockchain: A genuine interest in blockchain technology and a drive to remain at the forefront of industry developments.