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Senior Open-Source Engineer

New York, New York Full-time Hybrid 10/17/2026 Job ID: 000463
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Python Python project architecture JavaScript TypeScript React

Summary

What you’ll impact

The Senior Full-Stack Engineer designs, builds, and maintains core features of open-source machine learning developer tools. They use Python for backend and JavaScript/TypeScript with React or Svelte for frontend, adding real-time streaming via WebRTC. Key tasks include architecting scalable Python projects, defining APIs for early libraries, producing demos and documentation, and ensuring reliability. Collaboration involves code reviews with open-source contributors and cross-functional teams to drive adoption.

Responsibilities

What you'll do

  • Designing, developing, and maintaining core features across the team's libraries, ensuring scalability, reliability, and ease of use for ML developers
  • Architecting complex Python projects and frameworks that serve as foundational tools for the ML community
  • Growing early-stage libraries: defining the API surface, writing the demos and documentation that make them click, and driving adoption in the developer community
  • Working on real-time streaming and networking capabilities, a core priority for the platform and beyond
  • Collaborating with open-source contributors and engaging with the broader community through code reviews, discussions, and support
  • Integrating modern frontend technologies to create seamless and intuitive user experiences for Python-based web applications
  • Adapting to evolving engineering challenges and contributing to the direction of our developer tools as the landscape changes

Requirements

What you’ll bring

  • Bachelor's degree or equivalent in Computer Science or a related field
  • 5+ years of professional Python development experience
  • Experience architecting complex Python projects or frameworks
  • A track record of taking early-stage libraries or products from first users to broad adoption
  • Professional experience with JavaScript or TypeScript
  • Professional experience with a modern frontend framework such as React or Svelte
  • Experience core-contributing to or maintaining open-source software projects

Ready to Move Forward?

Apply now and our recruiting team will reach out with next steps, interview guidance, and client insights tailored to this role.