> Markdown version of [/jobs/ext/4634255-senior-software-engineer](https://www.wearedevelopers.com/jobs/ext/4634255-senior-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer - **Company:** FOXLEY, LLC - **Location:** New York, NY, United States - **Experience:** Expert - **Salary:** $200,000 - $250,000 - **Contract:** Temporary contract - **Skills:** Application Programming Interfaces (APIs), Amazon Web Services, Software as a Service, Protocol Buffers, Python (Programming Language), Node.Js, Open Source Technology, Data Streaming, Type Systems, Openapi, Fastapi, Graphql, Asynchronous Programming, Api Design, Pagination - **Published:** November 8, 2026 - **Apply:** https://www.juju.com/job/28_25303_818c50cf9d683a8c63f52f73a5337fc4 ## About the Role * Deep experience with modern Python libraries and tools (e.g. Pydantic, mypy, Poetry, uvicorn). * Excellent understanding of type systems, asynchronous programming, and evolving ecosystem trends like FastAPI. * Strong instincts and a passion for developer experience and API design. * Experience working in early-stage SaaS or with API standards like OpenAPI, GraphQL, Protocol Buffers, or AsyncAPI. * Python (FastAPI), Node.js (Express) * AWS infrastructure * Compiler + SDK generation tooling This is an onsite position with the team working 5 days per week in the companies Brooklyn based HQ. ## Description As a result they are now looking for a Python expert to lead the development of their SDK generator which powers seamless integrations between APIs and developers., * Define SDK standards - You'll establish what a great Python SDK feels like: clean, intuitive, type-safe, and Pythonic. * Build critical infrastructure - Take ownership of the open-source compiler that underpins all their SDKs, with projects spanning pagination, async support, and streaming data. * Influence the Python ecosystem - Stay current with the latest tools and contribute to the broader conversation around Python best practices.