Software Engineer Intern

Bluejay (YC X25)


Date: 11 hours ago
City: San Francisco, CA
Salary: $30 - $60 per year
Contract type: Intern
What You’ll Do

  • Build the brains. Architect and develop systems that simulate, analyze, and evaluate conversational AI agents, including voice and multimodal systems.
  • Scale for the real world. Design resilient, scalable infrastructure using AWS (Lambda, EC2, WebSockets, WebRTC) to handle thousands of real-time conversations.
  • Engineer trust. Develop algorithms and pipelines that surface insights, detect failure modes, and ensure agents are safe, reliable, and aligned with human intent.
  • Collaborate deeply. Work closely with the founders, customers, and the entire team to shape product direction and technical architecture.

Who You Are

  • A builder who has designed and shipped projects in AI/ML, especially in NLP, LLMs, or conversational AI.
  • Comfortable owning end-to-end systems—from rapid prototyping to production-ready deployments.
  • Excited by the challenge of building highly scalable, real-time systems.
  • A creative problem-solver who loves tackling ambiguous technical challenges.
  • Entrepreneurial, scrappy, and energized by working on a small, fast-moving team.
  • Passionate about building technology that’s trustworthy and safe.

Why Bluejay

  • Join a rocket ship backed by Y Combinator and top-tier investors.
  • Shape the core technology and culture of the company.
  • Work on hard, fascinating problems at the frontier of AI safety and reliability.
  • Collaborate with a talented team who are former AI engineers from Microsoft and AWS.
  • Competitive compensation.

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