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About Helius

Helius is a leading developer platform on the Solana blockchain, dedicated to inspiring and accelerating the creation of crypto-powered software. Customers like Coinbase, Jupiter, and Phantom use Helius to power their applications on Solana.

We’ve raised over $34m from Haun Ventures, Founders Fund, Foundation Capital, 6th Man Ventures, Reciprocal Ventures, Chapter One and angel investors including Solana co-founders Anatoly Yakovenko and Raj Gokal, and Balaji Srinivasan. Our team members have previously built mission-critical, scalable infrastructure at AWS, Coinbase, Stripe, Google, Digital Ocean, and more.

Here is the Helius Manifesto so you know what to expect if you join Helius.  

Role Description

We are looking for a Rust Engineer with experience in building and scaling distributed systems to join our growing team. If you have a passion for blockchain technology and a strong sense of ownership, we’d love to hear from you!

Responsibilities:

• Implement and maintain backend services following established architectural patterns and best practices
• Work with team members to integrate new features into existing infrastructure components
• Debug performance issues and implement solutions with guidance from senior engineers
• Help set up and maintain monitoring systems for services you’re responsible for
• Follow security best practices and coding standards while implementing new features
• Participate in code reviews and contribute to technical discussions within the team

Requirements:

• Proficient with Rust.
• 3 years of experience with Rust or a similar language (C++, Golang, Java, etc).
• 3 years of experience building & maintaining high-scale production systems.
• Proficient with distributed systems and databases.
• Demonstrated ability to work autonomously, execute at speed, with excellent communication and collaboration skills.
• Startup and/or web3 experience is a bonus.
• Experience that is relevant to Helius is a major advantage.

What We Offer

• Competitive salary and equity package
• Flexible work hours and remote-friendly environment
• Generous vacation and time-off policy
• Wellness, travel, and educational budgets
• Opportunities for personal and professional growth in a fast-paced, dynamic industry

Helius is an equal opportunity employer.

About Zscaler Serving thousands of enterprise customers around the world including 45% of Fortune 500 companies, Zscaler (NASDAQ: ZS) was founded in 2007 with a mission to make the cloud a safe place to do business and a more enjoyable experience for enterprise users. As the operator of the world’s largest security cloud, Zscaler accelerates digital transformation so enterprises can be more agile, efficient, resilient, and secure. The pioneering, AI-powered Zscaler Zero Trust Exchange™ platform, which is found in our SASE and SSE offerings, protects thousands of enterprise customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Named a Best Workplace in Technology by Fortune and others, Zscaler fosters an inclusive and supportive culture that is home to some of the brightest minds in the industry. If you thrive in an environment that is fast-paced and collaborative, and you are passionate about building and innovating for the greater good, come make your next move with Zscaler. Our Engineering team built the world's largest cloud security platform from the ground up, and we keep building. With more than 100 patents and big plans for enhancing services and increasing our global footprint, the team has made us and our multitenant architecture today's cloud security leader, with more than 15 million users in 185 countries. Bring your vision and passion to our team of cloud architects, software engineers, security experts, and more who are enabling organizations worldwide to harness speed and agility with a cloud-first strategy. We are looking for a Staff Software Development Engineer to our Shared Platform Services team. Reporting to the Director of Software Engineering, you'll be responsible for:

Designing, building, and scaling our cloud data analytics platform, responsible for the ingestion, processing, and querying of terabytes of endpoint telemetry Engineering and maintaining a scalable alerting and incident detection engine using Python and workflow orchestrators Creating and managing insightful Grafana dashboards and other visualizations that provide clear, actionable views of our system’s health and performance for engineering, support, and leadership Optimizing our data platform for cost, performance, and reliability. You will own the architecture and mentor other engineers, building a system that is robust and enhanceable by the entire team

  What We're Looking for (Minimum Qualifications)

5+ years of professional experience in a data engineering, backend, or SRE role with a focus on large-scale data Expert-level proficiency in a query language like SQL or Kusto Query Language (KQL), with proven experience writing complex queries and optimizing their performance Strong programming skills in Python, particularly for data processing, automation, and building data pipelines Hands-on experience with at least one major cloud provider (Azure is highly preferred) Demonstrated experience building and managing systems for the following: big data analytics, time-series monitoring, alerting/anomaly detection, or data visualization

What Will Make You Stand Out (Preferred Qualifications)

Direct experience with our current stack: Azure Data Explorer (ADX), Grafana, and Apache Airflow Familiarity with infrastructure as code (IaC) tools like Terraform or Bicep

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 At Zscaler, we are committed to building a team that reflects the communities we serve and the customers we work with. We foster an inclusive environment that values all backgrounds and perspectives, emphasizing collaboration and belonging. Join us in our mission to make doing business seamless and secure. Our Benefits program is one of the most important ways we support our employees. Zscaler proudly offers comprehensive and inclusive benefits to meet the diverse needs of our employees and their families throughout their life stages, including:

Various health plans Time off plans for vacation and sick time Parental leave options Retirement options Education reimbursement In-office perks, and more!

By applying for this role, you adhere to applicable laws, regulations, and Zscaler policies, including those related to security and privacy standards and guidelines. Zscaler is committed to providing equal employment opportunities to all individuals. We strive to create a workplace where employees are treated with respect and have the chance to succeed. All qualified applicants will be considered for employment without regard to race, color, religion, sex (including pregnancy or related medical conditions), age, national origin, sexual orientation, gender identity or expression, genetic information, disability status, protected veteran status, or any other characteristic protected by federal, state, or local laws. See more information by clicking on the Know Your Rights: Workplace Discrimination is Illegal link. Pay Transparency Zscaler complies with all applicable federal, state, and local pay transparency rules. Zscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled, have long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support.

Apply Now:

About Zscaler Serving thousands of enterprise customers around the world including 45% of Fortune 500 companies, Zscaler (NASDAQ: ZS) was founded in 2007 with a mission to make the cloud a safe place to do business and a more enjoyable experience for enterprise users. As the operator of the world’s largest security cloud, Zscaler accelerates digital transformation so enterprises can be more agile, efficient, resilient, and secure. The pioneering, AI-powered Zscaler Zero Trust Exchange™ platform, which is found in our SASE and SSE offerings, protects thousands of enterprise customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Named a Best Workplace in Technology by Fortune and others, Zscaler fosters an inclusive and supportive culture that is home to some of the brightest minds in the industry. If you thrive in an environment that is fast-paced and collaborative, and you are passionate about building and innovating for the greater good, come make your next move with Zscaler. Our Engineering team built the world's largest cloud security platform from the ground up, and we keep building. With more than 100 patents and big plans for enhancing services and increasing our global footprint, the team has made us and our multi-tenant architecture today's cloud security leader, with more than 15 million users in 185 countries. Bring your vision and passion to our team of cloud architects, software engineers, security experts, and more who are enabling organizations worldwide to harness speed and agility with a cloud-first strategy. We're looking for an experienced Staff Development Engineer to join our ZPA engineering team reporting to the Manager, Software Development Engineering. You'll be responsible for:

Collaborating with teams during design, and maintaining cloud-based software solutions Testing at scale, with proficiency in coding using Python to automate testing. Take ownership of diagnosing and resolving customer issues, including recreating production issues and providing necessary workarounds for resolution Providing insights to the development team to enhance the debug feature of the product Developing and maintaining robust and scalable test automation frameworks for our cloud security products Integrating the automated API into CI/CD system (Jenkins/Gitlab)

What We're Looking for (Minimum Qualifications)

Must have 6+ years of overall experience in Python programming Experience building tools and utilities to support the testing and development process, improving efficiency and productivity Proficiency in programming languages such as Python for test automation Experienced in automation framework development (Preferably PyTest) & test automation Proficient experience in Linux/Unix working environment

What Will Make You Stand Out (Preferred Qualifications)

Experience with designing and implementing enterprise-grade Security or Networking products Knowledge/Proficiency in AI code assists (Preferably Gemini code assist) Debugging skills in a complex Network/Cloud Infrastructure/HTTP/HTTPs/TLS issues in customer environments

LI-AN4#LI-HybridAt Zscaler, we are committed to building a team that reflects the communities we serve and the customers we work with. We foster an inclusive environment that values all backgrounds and perspectives, emphasizing collaboration and belonging. Join us in our mission to make doing business seamless and secure.

Our Benefits program is one of the most important ways we support our employees. Zscaler proudly offers comprehensive and inclusive benefits to meet the diverse needs of our employees and their families throughout their life stages, including:

Various health plans Time off plans for vacation and sick time Parental leave options Retirement options Education reimbursement In-office perks, and more!

By applying for this role, you adhere to applicable laws, regulations, and Zscaler policies, including those related to security and privacy standards and guidelines. Zscaler is committed to providing equal employment opportunities to all individuals. We strive to create a workplace where employees are treated with respect and have the chance to succeed. All qualified applicants will be considered for employment without regard to race, color, religion, sex (including pregnancy or related medical conditions), age, national origin, sexual orientation, gender identity or expression, genetic information, disability status, protected veteran status, or any other characteristic protected by federal, state, or local laws. See more information by clicking on the Know Your Rights: Workplace Discrimination is Illegal link. Pay Transparency Zscaler complies with all applicable federal, state, and local pay transparency rules. Zscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled, have long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support.

Apply Now:

Company Name: tastytrade Role: Software Engineer  Location: Chicago, IL - Hybrid (3 days/week in office) As a Software Engineer, you'll help by modifying existing systems, taking on ownership of current systems as well as green field projects, and troubleshooting issues as they arise. Our engineers work with a variety of tools including Java, JavaScript, and Ruby. You'll work on front-end systems in an effort to expand and improve our product suite.   What you'll do: 

Work on tastytrade's front-end trading client applications using Svelte, though experience with other modern front-end JavaScript frameworks is valuable  Contribute to the Java-based core front-end trading logic library; prior Java experience beneficial but not required  Transform business requirements and technical direction into production-quality code  Collaborate with UX and Product teams to improve customer workflows and overall user experience  Deliver concise, constructive peer reviews covering codecraft, implementation quality, and business domain correctness for junior engineers  Write comprehensive tests for your code  Support application development with necessary infrastructure work, coordinating with the infrastructure team as needed 

Who you are: 

The ability to learn quickly in areas in which you don't already have deep expertise  Experience in modern web development (JavaScript / Typescript, HTML, and CSS) and the ability/willingness to deploy and manage production applications  The ability to jump into a brand-new framework or language and quickly become productive in it  Confident in ability to write tests and quickly deliver stable and performant software  2+ years of professional experience working as a software engineer on a team  A keen eye for user experience and design 

Team Perks:  

Performance Bonuses     Stock Purchase Options   Medical/Dental/Vision Benefits   Annual educational / conference stipend   Sustainable workday with minimal on-call responsibilities   401k Plan     20 Paid Vacation Days (plus an additional paid vacation day the month of your birthday!)     10 Paid Sick Days     Gym Membership Reimbursement     Commuter Benefits     Pet Insurance     Wellness & Mental Health Programs     Charitable Donation Matching     Two Paid Volunteer Days Off     Daily catered lunch when in the office     Full kitchen with snacks and beverages     In-building gym     Shuttle to/from Metra     Office located in the West Loop - Chicago's growing center of tech, great cuisine, and high-end bars   

Salary Range: Level I - $135,000, Level II - $146,750, Level III - $158,650The actual salary offered will be based on the candidate's level of experience and qualifications   About Us:   The tasty house of brands empowers individual traders differently. tastylive, founded in 2011, is an online financial media network, tastytrade (previously known as tastyworks) is a self-directed retail brokerage firm that launched in 2017, tasty Software Solutions and tastyfx, is a registered Forex broker-dealer. In 2021, London-based IG Group acquired tastylive, Inc. (previously known as tastytrade) and assigned it to lead business in North America. tastyfx is the fastest-growing forex broker in the US over the past few years. Changing the IG US name to tastyfx marks the next chapter, in aligning with the tasty brand family and offering a more forex-focused experience. This combined team has years of experience like institutional brokers, but also a passion for disrupting the entire trading industry.   Our dream is simple: we want more people to find more success with a better trading experience. That’s why we’re investing heavily in the right people, technology, and media to make that happen in the US and across the globe.   Location: Our office is in the West Loop - Chicago's growing center of tech, great cuisine, and high-end bars.   tastytrade | tastylive | tastyfx | tastycrypto  1330 W Fulton Market, Chicago, IL 60607   *Don't meet every single requirement? Studies have shown that women and people of color are less likely to apply to jobs unless they have every single qualification. Our team is dedicated to building a diverse, inclusive, and authentic workplace, so if you’re excited about this role but your experience doesn't align perfectly, we encourage you to apply anyway. You may be just the right candidate for this or other roles!  

Apply Now:

Sr. Software Engineer Remote - North America, UK. EU About Brave Brave is on a mission to protect the human right to privacy online. We’ve built a free web browser that blocks creepy ads and trackers by default, a private search engine with a truly independent index, a browser-native crypto wallet, and a private ad network (opt-in!) that directly rewards you for your attention. And we’re just getting started. Already 90 million people have switched to Brave for a faster, more private web. Millions more switch every month. The internet is a sea of ads, hackers, and echo chambers. Big Tech makes huge profits off our data, and tells us what’s true and what’s not. Brave is fighting back. Join us! Summary Brave is looking for an engineer who can help us improve and scale our services. VPN, Leo, Talk and others rely on our backend service infrastructure to deliver a private, premium experience to our users. These services are written entirely in Go and deployed as services onto AWS. We are looking for an experienced Go engineer who can take whole solutions from end to end. Requirements

5-10 years of experience building software professionally Strong proficiency in Go, with 3+ years of production-level experience building backend systems in Go  Experience with SQL, Postgres/Redshift, and building analytics queries Experience building distributed backend services and robust APIs ensuring high performance and scalability Experience with software development via distributed development teams Comfort working in an open source setting A passion for helping protect users’ privacy and security Written and verbal communication skills in English Proven record of shipping

Nice to haves

Familiarity with cloud platforms (ideally AWS) Familiarity with building and working with subscription and online payment systems Familiarity with challenges in privacy preserving ecosystems

Working at Brave

Industry-leader in privacy, with a research and engineering team that’s innovating everyday to keep people safer online and beat Big Tech Highly competitive salaries & benefits, and generous home-office stipends Fully remote team (no office, no commute) Welcoming, humble, ridiculously smart teammates, and a truly flat org structure Opportunity to get in early at a hyper-growth company, and revolutionize the web Oh, and did we mention Brendan, our CEO & co-founder, invented JavaScript?

United States Candidates: The salary range for this role is $150,000 - $200,000 USD, depending on experience. Check us out at brave.com  

Apply Now:

GK8 is seeking a Senior Front-End Developer to join our team.

We are looking for someone who is proactive and resourceful, thriving in a dynamic, fast-paced environment.

In this role, you will work closely with product managers and UI/UX designers to develop the next generation of GK8’s cryptographic custody platform. You will leverage frontend technologies to create a seamless, secure, and high-performance user experience.

This role requires strong expertise in React, TypeScript, Electron and other modern frontend frameworks to ensure optimal performance and usability of our platform.

Responsibilities

• Develop and maintain the user interface of GK8’s cryptographic custody platform.
• Collaborate with product managers and designers to implement intuitive and user-friendly UI components.
• Utilize React, TypeScript and Electron to build scalable and high-performance applications.
• Ensure a pixel-perfect user experience, maintaining consistency across different screens and devices.
• Work in an agile development environment, contributing to fast-paced product iterations.

• 5+ years of experience in frontend development.
• 4+ years of hands-on experience with React in building complex web applications.
• Proficiency in TypeScript, ensuring type safety and code maintainability.
• Familiarity with Electron.
• Strong understanding of modern web development best practices and design patterns.
• Experience working with global state management frameworks (e.g. TanStack Query, Redux).
• Solid understanding of HTML, CSS, and web design principles.
• Strong communication skills.

• Familiarity with TanStack Query and XState state management.
• Experience with Styled Components.
• Knowledge of cryptocurrencies and blockchain technology.

The base salary ranges included below will be commensurate with candidate experience, expertise and local market. Final offer amounts are determined by multiple factors, including candidate experience and expertise. At GK8, we maintain a total compensation philosophy which consists of a competitive base salary, annual bonus, and equity incentives.

Salary Range

$150,000 – $185,000 USD

Apply Now:

Apply Now:

Binance is looking to hire a Binance Accelerator Program - QA Engineer to join their team. This is a full-time position that can be done remotely anywhere in Asia or on-site in Dubai.

Binance - The world's leading blockchain ecosystem and digital asset exchange.

About Oku

At Oku, we aim to close the gap between the CeFi and DeFi trading experiences. It is no mistake that 95% of crypto trading occurs on centralized platforms like Binance and Coinbase since their organizations have spent substantially more time and resources investing in their trading interface, while DeFi has primarily been focused on infrastructure and protocols for the last several years.

However, that is going to change soon. While CeFi organizations enjoy their Web2 stack, a Web3 company like Oku can leverage the composability of the DeFi ecosystem and blockchain technology to offer a high-quality trading experience that will eventually be indistinguishable from CeFi and, in the long run, overcome their legacy systems. That is why Oku has 50+ partners in or supporting the app.

Oku initially started as a project within GFX Labs after they received a $1.6M grant from the Uniswap Foundation in October 2022 to build and launch a reimagined trading interface, analytics platform, and API for Uniswap v3. After ten months of development, Oku launched in July 2023, and since then, Oku has supported the DAO Uniswap’s efforts to expand across new blockchains.

Today, our primary feature is our smart order routing system, which integrates 12+ order routing systems to ensure all users find the best price possible. We have also adapted our order routing technology to offer a bridge aggregator with 11+ integrated bridges. Most recently, to close the CeFi/DeFi gap further, we added on/off-ramping with USD and EURO to our interface at an industry-low fee of free! Our other popular features include trustless onchain limit orders built directly on Uniswap v3, our position manager page for users who want to manage their LP positions, and our Uniswap v3 analytics.

Over the coming years, Oku will be expanding the scope of our offering and improving the quality of our user experience.

Why work at Oku?

• Any firm can pay a high salary and offer good incentives (as will we), but most can’t offer interesting, challenging, and rewarding work.
• We have something to prove. Our team is young and hungry. We like to move fast and make things. We know when to double down and when to cut our losses. We are going to make mistakes, and we are going to build a better product because of them. We don’t micromanage or have a huge team of product managers. We want self starters who take charge and solve problems.
• We don’t care if you went to school, what grades you got, or your age. Show us what you have built, what problems you have solved, and what skills you have.

About the role

As a Web3 Frontend Engineer at Oku, you’ll be handling web3 data and functions to bring them neatly into Oku. You will work closely with the entire team, but particularly our product designers and the other frontend engineers.

Key Responsibilities

• Implement responsive user interfaces using React and other modern web tooling
• Write clean, maintainable code following team standards and best practices
• Collaborate with senior engineers to integrate wallet connectivity and on-chain interaction.
• Assist in testing and debugging
• Learn and apply blockchain development concepts to improve the user experience for users

You might be great for this role if you have

• Experience in Web3 frontend engineering.
• Personally use DeFi EVM protocols regularly.
• Attention to detail with excellent organizational and communication skills.
• Thrive in an environment where you have significant independence.
• You are proactive and driven by curiosity.
• You have a strong work ethic with disciplined execution skills.
• Keen to leverage AI to make you as productive as possible.

What you’ll do at Oku

• Develop top-tier user experiences with DeFi protocols across an array of blockchains
• Create smooth, pixel-fit experiences for customers
• Partner with design on UX strategy
• Build an engineering culture that attracts the most talented people to join us

We’d love to hear from you if…

• You love tackling ambitious projects with the ability to change DeFi as we know it
• You care about all aspects of customer experience
• You can see things from a high level, and dive into the details with equal confidence
• You think DeFi can improve day-to-day financial tooling

… and you really care about these details

• You want to create brand new experiences
• You can operate autonomously
• You are pro-active and are driven by curiosity
• You can build robust systems on both web and native platforms
• You can handle complexity, but prefer simplicity

Tools we are using today

• React, Figma, Tailwind, Joita, React-Query
• Golang, NodeJS
• PostgreSQL, Temporal, NATS, Clickhouse
• Linear and Gitlab
• DigitalOcean, fly.io, Kubernetes, KNative, Pulumi, Terraform
• Claude Code and many more AI tools

About Zscaler Serving thousands of enterprise customers around the world including 45% of Fortune 500 companies, Zscaler (NASDAQ: ZS) was founded in 2007 with a mission to make the cloud a safe place to do business and a more enjoyable experience for enterprise users. As the operator of the world’s largest security cloud, Zscaler accelerates digital transformation so enterprises can be more agile, efficient, resilient, and secure. The pioneering, AI-powered Zscaler Zero Trust Exchange™ platform, which is found in our SASE and SSE offerings, protects thousands of enterprise customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Named a Best Workplace in Technology by Fortune and others, Zscaler fosters an inclusive and supportive culture that is home to some of the brightest minds in the industry. If you thrive in an environment that is fast-paced and collaborative, and you are passionate about building and innovating for the greater good, come make your next move with Zscaler.   Our Engineering team built the world's largest cloud security platform from the ground up, and we keep building. With more than 100 patents and big plans for enhancing services and increasing our global footprint, the team has made us and our multitenant architecture today's cloud security leader, with more than 15 million users in 185 countries. Bring your vision and passion to our team of cloud architects, software engineers, security experts, and more who are enabling organizations worldwide to harness speed and agility with a cloud-first strategy. We are looking for a Staff Software Development Engineer to our Shared Platform Services team. Reporting to the Sr. Manager Software Engineering, you'll be responsible for:

Contributing, Leading and Expanding automation coverage and infrastructure to improve the quality and efficiency of testing Leading and contributing to the functional, system and automation testing of various features and solutions of the Zscaler Defining cloud deployment procedures and monitors/alerts for the features and work with the cloud deployment team for the implementation

What We're Looking for (Minimum Qualifications)

4-7 years of experience in Quality Domain  - speciality in a networking and security environment preferred Well versed with testing an application hosted on cloud at scale is a prerequisite - should have working knowledge and experience of web applications hosted on cloud Strong networking skills on all the layers and well versed with TCP, UDP, ICMP protocols and Security protocols likeTCP/IP, IPv4/IPv6, HTTP/HTTPS, SSL/TLS Expertise in Scripting Languages like Python, TCL, Expect, etc In-depth knowledge of linux/Mac and windows OS

What Will Make You Stand Out (Preferred Qualifications)

Experience setting testbeds in a Virtualization environment is desirable Knowledge of Active Directory, VPN clients is a plus

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LI-GL2At Zscaler, we are committed to building a team that reflects the communities we serve and the customers we work with. We foster an inclusive environment that values all backgrounds and perspectives, emphasizing collaboration and belonging. Join us in our mission to make doing business seamless and secure.

Our Benefits program is one of the most important ways we support our employees. Zscaler proudly offers comprehensive and inclusive benefits to meet the diverse needs of our employees and their families throughout their life stages, including:

Various health plans Time off plans for vacation and sick time Parental leave options Retirement options Education reimbursement In-office perks, and more!

By applying for this role, you adhere to applicable laws, regulations, and Zscaler policies, including those related to security and privacy standards and guidelines. Zscaler is committed to providing equal employment opportunities to all individuals. We strive to create a workplace where employees are treated with respect and have the chance to succeed. All qualified applicants will be considered for employment without regard to race, color, religion, sex (including pregnancy or related medical conditions), age, national origin, sexual orientation, gender identity or expression, genetic information, disability status, protected veteran status, or any other characteristic protected by federal, state, or local laws. See more information by clicking on the Know Your Rights: Workplace Discrimination is Illegal link. Pay Transparency Zscaler complies with all applicable federal, state, and local pay transparency rules. Zscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled, have long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support.

Apply Now:

OKX will be prioritising applicants who have a current right to work in Singapore, and do not require OKX's sponsorship of a visa.

Who We Are

At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom.   OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves.   Across our multiple offices globally, we are united by our core principles: We Before Me, Do the Right Thing, and Get Things Done. These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er.   OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX, OKX Wallet, OKLink and more.

About the Opportunity

OKX is undertaking a significant global team buildout within its Internal Audit function, and we are looking for an experienced and visionary Head of Infrastructure & Developer Operations Audit. This is a unique opportunity to lead the assessment and assurance of our critical infrastructure and DevOps practices within a leading crypto organization, ensuring the highest levels of resilience, scalability, and security for our global operations. You will build and lead a high-performing audit team, drive strategic assurance initiatives, and directly impact the robust and efficient delivery of innovative crypto products and infrastructure by thoroughly assessing the organization's codebase, build, test, and release processes, as well as technical infrastructure maintenance and management.

What You’ll Be Doing 

Lead and manage a global Infrastructure & Developer Operations audit team, including hiring and developing individuals across key regions.

Drive the execution of global audit programs, specifically assessing the design and operating effectiveness of controls over infrastructure, cloud computing platforms, operating systems, networking, virtualization, containerization, storage systems, DevOps practices, and Secure CI/CD pipelines. This includes a deep dive into the codebase, build, test, and release processes.

Oversee the independent validation of IT incidents related to infrastructure and development operations, and provide critical audit support for group-wide IT certifications.

Collaborate effectively with other functional and regional Internal Audit portfolio leads to provide expert infrastructure and DevOps controls testing and assurance for integrated audits.

Develop and implement advanced audit methodologies tailored to the unique complexities of high-performance, distributed crypto systems, emphasizing the assessment of automated and secure deployments, and ongoing maintenance and management processes.

Provide strategic audit insights and independent assurance on emerging infrastructure and DevOps risks in the cryptocurrency space to senior leadership and the Audit Committee.

What We Look For In You

We are seeking a seasoned IT audit professional with demonstrable experience in independently assessing infrastructure and DevOps practices within the crypto exchange or crypto product space. The ideal candidate will possess a deep understanding of resilient and secure infrastructure principles applied to novel technical and control environments, coupled with strong leadership and analytical skills. Key Qualifications:

Prior Crypto Exchange/Crypto Product Experience is Essential.

Strong Critical Thinking and Problem-Solving Skills: Capacity to analyze complex, often novel, technical and control environments unique to crypto, identify intricate root causes of issues, and propose effective, context-specific solutions.

Fundamental Understanding of Blockchain Technology: Basic knowledge of distributed ledger technologies, consensus mechanisms (e.g., PoW, PoS), cryptography (hashing, public-key), and the lifecycle of a cryptocurrency transaction.

Data Analytics/SQL for Infrastructure & DevOps Auditing: Expert ability to analyze complex data across the entire technology stack, including CI/CD pipeline logs, git commit history, dependency manifests, configuration management logs, system logs, network flow data, infrastructure-as-code configurations, and cloud provider logs, specifically for audit purposes.

Infrastructure Auditing: Comprehensive knowledge of IT infrastructure components, with a specialized focus on independently auditing the resilience, scalability, and security of blockchain nodes, low-latency trading systems, and high-availability wallet infrastructure.

Cloud Computing Platform Auditing: Expert-level auditing of cloud infrastructure (AWS, Azure, GCP) specifically for mission-critical crypto workloads, including container orchestration (Kubernetes), serverless functions, multi-region deployments, and ensuring geo-redundancy for key assets.

Operating System (OS) Auditing (for Blockchain Nodes & Exchange Servers): Deep dive capability to assess the hardening, patching, kernel configurations, and user access controls for operating systems hosting blockchain nodes, trading engines, and critical exchange services.

Networking Auditing: Advanced knowledge of networking protocols, DDoS mitigation strategies, and the ability to audit low-latency, high-throughput network architectures essential for competitive crypto exchange operations, including peering arrangements and BGP configurations.

Virtualization & Containerization Auditing: Expertise in independently auditing virtualized environments and container orchestration platforms (Docker, Kubernetes) specifically for secure isolation of critical workloads, supply chain security for container images, and resource management to prevent denial-of-service.

Storage System Auditing: Ability to independently assess the security, integrity, availability, and immutability of storage systems (SAN, NAS, object storage) for critical blockchain data, cryptographic keys, and sensitive audit logs.

DevOps Auditing: Deep understanding of DevOps principles (e.g., build, test, release), automation, and continuous delivery with a focus on independently auditing the security and compliance of rapid, automated deployments in a high-stakes crypto environment (e.g. GitLab, GitHub, etc.)

Secure Continuous Integration/Continuous Delivery (CI/CD) Auditing: Expertise in independently auditing CI/CD pipelines for integrated security tools (SAST, DAST, SCA), automated security gates, secure artifact management, and robust deployment controls for smart contracts and exchange software. This includes assessing the codebase, build, test, and release processes.

Automation and Scripting Auditing (for Infrastructure as Code & Smart Contracts): Ability to independently assess the security and integrity of automation scripts (e.g., Python, Go, Shell), Infrastructure as Code (IaC) tools (e.g., Terraform, CloudFormation), and configuration management tools (e.g., Ansible) used to manage crypto infrastructure.

Cloud Deployment & Management Auditing (Automated & Secure): Expertise in independently auditing automated cloud provisioning, configuration, and management processes, emphasizing security best practices, least privilege, and immutable infrastructure principles for critical crypto components, as well as ongoing maintenance and management.

Agile Development Methodologies Auditing: Ability to independently assess the deep integration of security activities and controls within agile development processes, including proactive threat modeling for new features, security champions within development teams, and rigorous peer review for smart contract code.

Code Review & Secure Coding Practices: Familiarity with secure coding principles for languages commonly used in blockchain development (e.g. Solidity, Rust, Go, Python) and the ability to independently evaluate the effectiveness of code review processes for identifying operational and security flaws.

Risk Management Principles for Infrastructure & DevOps Auditing: Advanced grasp of risk identification, assessment, mitigation, and monitoring methodologies specifically tailored to the high-stakes, real-time, and often irreversible nature of crypto transactions.

Knowledge of Specific Regulatory Requirements impacting Infrastructure & DevOps: Understanding of specific regulatory requirements impacting crypto exchanges globally (e.g., anti-money laundering (AML), combating the financing of terrorism (CFT) as per FATF, sanctions compliance, specific licensing requirements for Virtual Asset Service Providers (VASPs)) and how these translate to technical controls relevant to infrastructure and DevOps.

Perks & Benefits 

Competitive total compensation package

L&D programs and education subsidy for employees' growth and development

Various team building programs and company events

Wellness and meal allowances Comprehensive healthcare schemes for employees and dependants More that we love to tell you along the process!

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Who are we?

We believe Ethereum has the potential to solve some of humanity’s most crucial coordination issues. Since our initial inception as a research group, we have sought to scale both its technology and values.

At present, the most pressing bottleneck to the growth of Ethereum is its performance and scalability. We are building the most elegant solution to this problem. We do this in the open (under an MIT open source license) because we believe in open source innovation and its ability to accelerate growth.

OP Labs contributes to the Optimism protocol, an extension to Ethereum that scales both its technology and values. Optimism enables orders of magnitude of improved performance and scalability to Ethereum while doubling down on its commitment to public goods.

The Optimism Collective leads the blockchain protocol landscape, dedicated to fostering a scalable and sustainable ecosystem. Optimism’s ethos, in sync with Ethereum's vision, tackles pivotal coordination challenges of the digital age. Optimism’s goal is to harmonize private incentives with public good, shaping a resilient future for the Internet. Optimism’s scope spans diverse areas like Gaming, DeFi, NFTs, and Enterprise.

Position Overview:

We’re looking for a tech lead to develop the platform to support the full lifecycle of protocol feature development. This encompasses all protocol developer tooling and frameworks to enable protocol engineers to ship capabilities quickly and confidently on stable foundations.

This is a critical and high-impact role responsible for driving the roadmap and delivery of capabilities that accelerate protocol feature development for both OP Labs engineering teams and the broader Collective.

What are the role responsibilities?

• Architect and implement tools, frameworks, SDKs and APIs to increase protocol development velocity and create an industry-leading protocol developer experience

• Drive the execution of the protocol developer experience roadmap in close partnership with Engineering Management, Product and Engineering stakeholders

• Act as a force multiplier for the team - drive the technical vision and architecture for protocol developer tooling and mentor other engineers

• Be highly customer-centric, partnering closely with other engineering teams and stakeholders to understand protocol developer needs and rapidly deliver impactful solutions

What skills do you bring?

• Hands-on experience with Golang, Ethereum developer tooling ecosystem (e.g., Kurtosis, Hardhat, Foundry), operational experience with Kubernetes (e.g., IaC such as Terraform) and public cloud infrastructure (e.g., GCP, AWS)

• Track-record of working collaboratively with developers to create impactful developer tools that meaningfully improve developer velocity - demonstrates strong developer empathy

• Prior experience working in the Web3 space with exposure to protocol development, either directly or in a supporting capacity

• Exhibits high agency, high ownership and pragmatism - this is someone who likes to and is capable of getting stuff done and drives impactful results

• Able to effectively balance between strategic and execution-focused contributions in a dynamic and fast-paced environment

What will you like about us?

• We take care of our employees. Competitive compensation, fully paid medical, dental, and vision, and a 4% 401K match—learn more about our benefits, culture, and all recruiting FAQ here.

• We take pride in the accomplishments of our teammates and support each other in doing the best work of our careers.

• Our team is a diverse group of people from varied backgrounds. We cherish our eclecticism and consider it a great strength.

• We’re fully remote, deeply engaged, highly skilled, and like to have fun.

• We think long-term. Our founders have been scaling Ethereum since 2015.

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At dYdX you'll have an opportunity to build state-of-the-art decentralized technologies that will redefine global financial markets. By joining us at this stage in our growth, you will help make fundamental decisions that will shape the course of dYdX.  → Learn more about working at dYdX ABOUT dYdX:

We’ve built the software underlying the world’s leading decentralized exchange for advanced trading of crypto derivatives dYdX is founded by an ex-Coinbase, ex-Uber engineer, with a Princeton CS background. Our team has previous experience at Coinbase, Uniswap, Google, Amazon, Lyft, Meta and other top companies We're a world-class team with top backers and advisors, including Andreessen Horowitz, Polychain Capital, Brian Armstrong, Fred Ehrsam, Naval Ravikant, Elad Gil, and more  Role Overview We're seeking a part-time frontend developer to support our marketing initiatives by implementing UI updates, optimizing landing pages, and maintaining our web properties. This role is perfect for an experienced developer who wants to contribute to a cutting-edge DeFi platform while maintaining work-life balance. Key Responsibilities

Marketing-Driven Development: Implement UI updates including banners, pop-ups, modals, and announcement bars to support marketing campaigns Content Management: Update copy and components across homepage and product surfaces using React/js Landing Page Development: Collaborate with design team to create visually polished landing pages and campaign modules Analytics Integration: Integrate tracking pixels, UTM parameters, and analytics tools to measure campaign performance Quality Assurance: Work closely with marketing team to QA and deploy time-sensitive changes Code Maintenance: Maintain clean, modular, and reusable code that scales with our growing needs

Required Qualifications

Experience: 2+ years of professional frontend development experience Technical Skills: Strong proficiency in HTML, CSS, JavaScript, Tanstack Query, Redux and React Marketing Experience: Previous experience working with marketing or growth teams on campaign-related updates Analytics Tools: Comfortable integrating with analytics platforms, tag managers, and A/B testing tools Independent Work: Ability to work autonomously and deliver quickly in an async, global team environment Attention to Detail: Proven ability to translate Figma designs into pixel-perfect UI implementations

Preferred Qualifications

Experience with React Query for state management Familiarity with Tailwind CSS and/or >

What We Offer

Competitive Compensation: Hourly rate commensurate with experience Flexible Schedule: Work on your own schedule within European business hours Remote Work: Fully remote position with occasional team collaboration Cutting-Edge Projects: Work on innovative DeFi products processing billions Growth Opportunity: Potential to expand role based on performance and company needs

How to Apply Please submit your application including:

Resume/CV highlighting relevant frontend experience Portfolio showcasing React-based projects and marketing-focused work Brief cover letter explaining your interest in dYdX and availability Examples of landing pages or marketing campaigns you've implemented

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Tenderly is looking to hire a Frontend Engineer to join their team. This is a full-time position that can be done remotely anywhere in Remote or on-site in Belgrade.

Tenderly - An all-in-one development platform that enables Web3 developers to build, test, monitor, and operate smart contracts.

At SendAI, we're building in the intersection of AI and Crypto: the two biggest tech of the decade and applying that to solve consumer problems.

We're looking for an engineer to join our 9 member team, who is ideally master of one skill (eg. devops) and jack of all trades. We value taste and velocity.

About SendAI:

We've a range of products from Solana Agent Kit to MCP servers to Mobile App across Consumer AI and Dev tooling on Solana.

Read more: sendai.fun

What we're primarily looking for someone to:

1. Developing Data Pipelines - Creating and managing systems to process blockchain data, with a focus on reliability and ultra-low latency.
2. Managing Cloud Infrastructure - Overseeing cloud infrastructure, including CI/CD pipelines, monitoring and alerting setup, system reliability, and all things cloud-related.
3. Managing Database Interactions - Handling data storage and management using PostgreSQL and Redis, ensuring data integrity and efficient retrieval.
4. Minimum 2 year+ experience

Additionally, we'd prefer with someone having experience in LLM integrations.

We're looking for someone with:

1. AI Forwardness: we're highly AI first in everything we do
2. Experimentation: we've bottoms-up idea and research culture
3. Balanced Mindset: collaborate async efficiently
4. No pedigree required: but we do value any past experiences and achievements

Why Join SendAI?

• Small and remote-first i.e work anytime from anywhere
• 0 to 1 product journey across AI and Solana
• Token compensation

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Coinbase is looking to hire a Software Engineer, Emerging Talent (USA) to join their team. This is a full-time position that can be done remotely anywhere in the United States.

Coinbase - Building the cryptoeconomy – a more fair, accessible, efficient, and transparent financial system enabled by crypto.

Sahara AI is looking to hire a Senior Machine Learning Engineer to join their team. This is a full-time position that can be done remotely anywhere in the United States.

Sahara AI - Create and monetize AI, collaboratively with verifiable on-chain provenance.

Developer Experience (DevX) is responsible for making sure all engineers at Coinbase build high-quality products while being productive and engaged. We do this by providing infrastructure, libraries, frameworks, and tooling to make it easier and faster to build high quality applications. Within DevX, our Onchain Pod is focused on defining the future of developer experience for onchain developers, both within Coinbase and in the broader crypto ecosystem. We believe that the onchain platform is the most important builder platform since the internet (“online”). As a Staff Software Engineer on this team, you’ll be instrumental in designing, building, and executing core solutions that drive our systems.

What you’ll be doing (ie. job duties):

• Lead the new Onchain Pod and help define its charter, vision, mission, and roadmap.
• Work with stakeholders in Engineering and Security to identify pain points and insecure processes in the onchain development lifecycle.
• Architect and build new tooling to improve onchain development for Coinbase and the broader ecosystem. Augment and maintain existing tooling.
• Drive the evolution of Web3 development toward Web2-level tooling, reliability, and ergonomics - reducing friction and making onchain development more accessible.
• Take ownership of the team's processes and services, ensuring SLA adherence.
• Be a thoughtful technical voice within the team, aiding in diligent architectural decisions and fostering a culture of high-quality code and engineering processes.
• Mentor and collaborate with other members of the team to deliver high quality solutions.
• Champion a “don’t DIY unless necessary” philosophy by leveraging proven industry standards and modern frameworks wherever possible.
• Stay current with emerging trends in the Web3 tooling ecosystem, and integrate best-in-class solutions to accelerate internal development without reinventing the wheel.

What we look for in you (ie. job requirements):

• You have 8+ years of software engineering experience.
• You are passionate about enabling onchain development.
• You have extensive experience with smart contract deployments, execution, and management (EVM in particular).
• You have a deep understanding of how popular L1s and L2s work.
• You have an energy and self-drive for continuous learning as crypto is a constantly and rapidly changing space.
• You excel in clear, direct, and kind communication with technical and non-technical stakeholders.
• You have experience building relationships with security, product, and engineering teams.
• You balance long term strategic thinking with short term tactical planning.
• You are familiar with cloud infrastructure (e.g., AWS), containerization (e.g., Kubernetes), and Infrastructure as Code tools like Terraform.
• You have a Bachelor’s or Master’s degree in Computer Science, Software Engineering, or equivalent experience.

Nice to haves:

• Prior experience working in a Developer Experience/Productivity, Platform, or similar domain team.
• Have previous experience at a fast paced, high growth stage internet/software company.
• Contributions to open-source crypto projects, such as OP Stack.
• Experience with Golang, Geth, Rust, Reth, Foundry, Solidity, or other crypto tools.
• An interest in blockchain security, red-teaming, and exploit prevention.

*Answers to crypto-related questions may be used to evaluate your onchain experience.

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