5h ago

Senior Software Engineer, Agent Platform

Foster City, CA

$180k-$260k / year

full-timesenior Hybridsoftware

💼 About This Role

You'll build high-throughput backend services and collaborative tools for Replit's AI coding agent. Your work directly powers seamless agent-user interactions, bridging AI logic and user experience. This role offers full-stack ownership and meaningful impact on a platform used by millions.

🎯 What You'll Do

  • Build high-throughput backend services for streaming chat between user and agent.
  • Design collaborative 'Multiplayer Computer' for real-time shared shells and filesystems.
  • Develop infrastructure empowering product engineers to ship delightful experiences.
  • Design durable interfaces between the Agent and internal/external systems.

📋 Requirements

  • 5+ years professional experience building backend services and platforms.
  • Self-directed and comfortable working autonomously.
  • Values simplicity and pragmatism; ships incrementally.
  • Collaborative team player with shared ownership.

✨ Nice to Have

  • Full-stack development experience.
  • Building AI-powered tooling or products.
  • Experience with collaborative editing (OT, CRDTs, or Git internals).

🎁 Benefits & Perks

  • 💰 Competitive Salary & Equity
  • 💹 401(k) Program with 4% match
  • ⚕️ Health, Dental, Vision and Life Insurance
  • 🚼 Paid Parental, Medical, Caregiver Leave
  • 🏝️ Flexible Time Off (FTO) + Holidays
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