[Remote] Senior Software Engineer, Fullstack (Developer - CDP API)

Note: The job is a remote job and is open to candidates in USA. Coinbase is on a mission to increase economic freedom in the world, and they are seeking a Senior Software Engineer to join their CDP API team. The role involves designing and developing SDKs for embedded wallets, building scalable authentication patterns, and collaborating with various teams to enhance developer experiences. Responsibilities • Design, develop, and maintain ergonomic, open-source SDKs for embedded wallets using Typescript, React, React Native, Android, iOS, Unity, and Flutter • Build scalable interaction patterns involving end user authentication using OAuth, PKCE, Email/SNS OTP, and Passkeys • Interface with and conformant HTTP REST API definitions using OpenAPI specifications • Author, publish, and maintain clear and concise documentation, including quickstart and how-to guides, to increase adoption of the SDKs • Work closely with many different teams at Coinbase to integrate embedded wallets into internal products, ensuring consistency of concepts, style, and design • Work directly with customers to collect their feedback and iteratively improve the APIs and SDKs • Evangelize the SDK in the crypto community to gain greater adoption • Build compelling sample applications end-to-end using the embedded wallets SDKs to demonstrate their value and pressure-test the developer experience • Troubleshoot and debug complex fullstack issues, ensuring stability, reliability, and security • Participate in code reviews and provide constructive feedback to maintain high code quality standards Skills • 5+ years of experience in fullstack development • Fluency in Typescript, React, and React Native, and strong experience in at least one of the following: Android, iOS, Unity, Flutter • Experience with user authentication, Identity and Access Management systems, public key cryptography, browser and mobile persistent storage mechanisms • Established reputation in open source communities, with operational knowledge of how to grow adoption of GitHub repos • Strong understanding of distributed systems, microservices architecture, streaming-based systems, and event-driven architectures • Excellent verbal and written communication skills, with an eye for detail and a passion for clear, comprehensive developer documentation • Fluency with crypto wallets, including key management, cryptography, and blockchain protocols (e.g. EVM, Solana) • Understanding of security best practices and experience with implementing secure coding practices for financial systems Benefits • Bonus eligibility • Equity eligibility • Benefits (including medical, dental, vision and 401(k)) Company Overview • Coinbase is a crypto exchange and wallet platform that allows merchants and consumers to buy, sell, and store digital currencies. It was founded in 2012, and is headquartered in San Francisco, California, USA, with a workforce of 1001-5000 employees. Its website is Company H1B Sponsorship • Coinbase has a track record of offering H1B sponsorships, with 181 in 2025, 92 in 2024, 96 in 2023, 284 in 2022, 183 in 2021, 66 in 2020. Please note that this does not guarantee sponsorship for this specific role. Apply tot his job