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Lead API Engineer at SFOX. Location Information: USA. Role. As the Lead API Engineer for our Trading Platform Team, your focus will be on contributing to the improvement of the technical direction for the sFOX API. . Responsibilities. Build performant API endpoints. Maintain backward compatibility with existing clients. Give quality feedback on code review with peers. Contribute to the technical direction of the API. Develop and execute against both short- and long-term roadmaps by making effective tradeoffs that consider business priorities, user experience, and a sustainable technical foundation. Teach and mentor other developers through pair programming sessions, code reviews, and 1:1s. Qualifications. 5 years experience as a professional software engineer with at least 3 focused on Backend/API services. Experience deploying and architecting back end applications that service single page applications, mobile applications, and/or public api consumption using . Node.js. . Experience with Ruby/Rails, Python/Django, PHP/Laravel, Go or Elixir/Phoenix will also be considered.. Experienced in Typescript or javascript with knowledge of typed languages. Experience with Typescript. Experience with Relational Databases such as MySQL, Postgresql, MSSQL, etc. Familiar with writing and maintaining automated test suites. B.S., M.S., or Ph.D. in Computer Science or similar technical field of study (or equivalent practical experience.). Not Required, but Nice to Have. Experience deploying and maintaining public APIs. Experience setting up and managing CI/CD pipelines. Experience with modern frontend paradigms such as ember, react, vue, svelte . Experience with gRPC . Advanced Experience with SQL, specifically MySQL.. Experience working with websockets and real time data. Experience in high-frequency or algorithmic trading. Experience in trading cryptocurrency. Experience in a leadership role.