Software Engineer, Product Infrastructure (TypeScript DevEx)
Job Overview
Location
Foster City, CA (Hybrid) In office M,W,F
Work Type
Hybrid
Job Type
Full-time
Posted
10/16/2025
About this role
Replit is the agentic software creation platform that enables anyone to build applications using natural language. With millions of users worldwide and over 500,000 business users, Replit is democratizing software development by removing traditional barriers to application creation. Additionally, you will be a key decision maker in the Agent’s default stack (Vite + React + Express) and will help the AI team with strategies to improve the Agent’s output and stack. This is a first hire in this area, so you will automatically be in a position of leadership and have an accelerated career path as the team undoubtedly grows. *You will:** Maintain and evolve a complex monorepo structure spanning frontend, backend, npm packages, and tooling. Own the build pipelines and optimize them to minimize build times and improve developer iteration speed. Improve and oversee code generation such as GraphQL and Protocol Buffers to ensure our code is type safe. Set the standards for code quality using automation tools such as TypeScript, Prettier and Eslint, building custom rules and plugins to enforce Replit-specific requirements. Streamline local development setup and onboarding experience. Work with platform teams to improve deployment processes, infrastructure integrations, and external tooling. Keep things fresh and modern in our codebase by adopting and leading migrations to better and faster tools. Help manage dependencies both internal (public and private) and external, including being the face of the company when interfacing with open-source libraries such as when it comes to sponsorships. *Required skills and experience:** Expertise in TypeScript build systems such as Vite, TypeScript, webpack, and so on. Proficiency with ESLint, Prettier, testing frameworks, and code generation tools. Experience managing monorepos or large-scale codebases This is a full-time role that can be held from our Foster City, CA office. The hybrid role has an in-office requirement of Monday, Wednesday, and Friday. *Full-Time Employee Benefits Include:** 💰 Competitive Salary & Equity 💹 401(k) Program ⚕️ Health, Dental, Vision and Life Insurance 🩼 Short Term and Long Term Disability 🚼 Paid Parental, Medical, Caregiver Leave 🚗 Commuter Benefits 📱 Monthly Wellness Stipend 🧑💻 Autonoumous Work Environement 🖥 In Office Set-Up Reimbursement 🏝 Flexible Time Off (FTO) + Holidays 🚀 Quarterly Team Gatherings ☕ In Office Amenities *Want to learn more about what we are up to?** Meet the Replit Agent Replit: Make an app for that Replit Blog Amjad TED Talk *Interviewing + Culture at Replit** Operating Principles Reasons not to work at Replit To achieve our mission of making programming more accessible around the world, we need our team to be representative of the world. We welcome your unique perspective and experiences in shaping this product. We encourage people from all kinds of backgrounds to apply, including and especially candidates from underrepresented and non-traditional backgrounds.