Staff Software Engineer, Agent Platform

Replit Replit · Enterprise · Foster City, CA · Hybrid · Engineering

Staff Software Engineer to build and enhance Replit's agent platform, focusing on backend services, collaborative AI-human systems, and developer tooling for rapid iteration on agent experiences.

What you'd actually do

  1. Build high-throughput backend applications and services, like streaming chat between user and agent.
  2. Design a collaborative "Multiplayer Computer" that lets humans and AI agents work together on shared shells, filesystems, and state—conflict-free and in real time.
  3. Develop infrastructure (frontend & backend) that empowers product engineers to rapidly ship delightful user experiences.
  4. Design and build durable, well-crafted interfaces between the Agent and internal systems, as well as external agentic systems (MCP)

Skills

Required

  • backend services
  • systems engineering
  • platform development

Nice to have

  • full-stack experience
  • AI powered tooling or products
  • collaborative editing technologies
  • Operational Transforms (OT)
  • CRDTs
  • Git
  • event sourcing systems

What the JD emphasized

  • 8+ years professional experience in building backend services, systems and platforms

Other signals

  • building agent platform
  • enhancing core agent
  • shipping user experiences