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Polychain Capital
Polychain Capital
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Senior Software Engineer, Backend (Developer - Portal)



Software Engineering
United States · Remote
Posted on Tuesday, June 11, 2024

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. Finally, we seek people who are excited to learn about and live 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.

Ready to #LiveCrypto? 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.

Coinbase Developer Platform and the Dev Portal is the destination for building and integrating web3 solutions, services, and products. We partner with other Coinbase products such as Base, Wallets-as-a-service, Staking, CB Pay, Advanced Trading, Commerce, Exchange so web3 developers can start building their onchain apps in minutes.

The Portal & Services team owns the portal frontend and backend services that make the platform functional, including user onboarding and IAM as well as other non-product specific services such as customer billing or general API key management.

What you’ll be doing:

  • Design, develop, and maintain scalable, secure, and high-performing full-stack systems in the CDP Portal using Go, JavaScript, TypeScript, and React
  • Implement new features, improvements, and integrations to drive the growth and success of the CDP Portal
  • Develop and maintain reusable, modular, and well-documented frontend components and libraries
  • Troubleshoot and debug complex frontend issues, ensuring cross-browser and cross-device compatibility
  • Collaborate with UX/UI designers to implement intuitive user flows
  • Contribute to the development of our design system and frontend best practices
  • Design and develop secure, reliable, and well-documented backend service APIs for internal and external consumption
  • Troubleshoot and debug complex full-stack issues, ensuring platform stability, reliability, and security
  • Participate in code reviews, on-call rotation, and foster a team-wide environment that welcomes constructive feedback to maintain high code quality standards

What we look for in you:

  • 5+ years of experience in full-stack software development, with a strong focus on frontend development
  • Mastery of JavaScript, TypeScript, HTML5, CSS3 and Go
  • Experience with databases (PostgreSQL, MySQL, MongoDB), caching systems (Redis, Memcached), and message queues (Kafka, RabbitMQ)
  • Proficiency in React, and experience with state management libraries like Redux
  • Strong understanding of responsive web design, cross-browser compatibility and accessibility best practices
  • Experience with integrating frontend components with backend APIs
  • Familiarity with frontend testing frameworks like Jest, Mocha, or Karma, and experience with writing unit and integration tests
  • Knowledge of frontend performance optimization techniques and tools like Lighthouse or WebPageTest
  • Understanding of web security best practices and experience with implementing secure coding practices for financial systems
  • Solid understanding of distributed systems, microservices architecture, and event-driven architectures
  • Comprehensive knowledge of RESTful API design principles and experience with API development, integration and authentication protocols like OAuth and JWT
  • Familiarity with AWS and containerization using Kubernetes
  • Excellent communication and collaboration skills, with the ability to work closely with designers and product managers
  • Bachelor's or Master's degree in Computer Science, Software Engineering, or equivalent experience
  • Passion for Onchain/Web3 and understanding of blockchain technologies, particularly Ethereum and EVM-compatible chains
Pay Transparency Notice: Depending on your work location, the target annual salary for this position can range as detailed below. Full time offers from Coinbase also include target bonus + target equity + benefits (including medical, dental, vision and 401(k)).
Pay Range:
$180,625$212,500 USD

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 program in 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.