Staff Software Engineer, Agent Platform

Foster City, CA, Remote. Posted 7 months ago

The role

You will build tools to help product engineers iterate on the Agent experience and enhance the core Agent. This role involves systems engineering, developer experience, and product engineering across the full stack.

What you will do

Build high-throughput backend applications and services, like streaming chat between user and agent.
Design a collaborative Multiplayer Computer for humans and AI agents to work together on shared shells, filesystems, and state.
Develop infrastructure that empowers product engineers to rapidly ship user experiences.
Design and build interfaces between the Agent and internal systems and external agentic systems (MCP).

Required qualifications

8+ years professional experience in building backend services, systems and platforms
Values simplicity and pragmatism
Self-directed and comfortable working autonomously
Collaborative and team-oriented with a strong sense of shared ownership

Nice to have

Experience across the full-stack
Experience building AI powered tooling or products
Experience with collaborative editing technologies such as Operational Transforms (OT), CRDTs, or the inner workings of Git
Experience with event sourcing systems

Benefits

Competitive Salary & Equity
401(k) Program with a 4% match (US Only)
Health, Dental, Vision and Life Insurance
Short Term and Long Term Disability
Paid Parental, Medical, Caregiver Leave
Flexible Time Off (FTO) + Holidays
Commuter Benefits (In-Office & US Only)
Monthly Wellness Stipend
Autonomous Work Environment
In Office Set-Up Reimbursement (In-Office Only)
Quarterly Team Gatherings
In Office Amenities (In-Office Only)

About the company

Replit is the agentic software creation platform that enables anyone to build applications using natural language. The company is building the world’s most ubiquitous AI coding agent.