Apollo.io
Senior Software Engineer, Builder Studio
Remote, Canada +3 · Remote · Senior · Full-time · Posted Oct 16, 2026
- Location
- Remote, Canada
Remote, United States
Remote - Canada
United States - Experience
- 5+ years building and shipping production software.
About the job
Build and scale Builder Studio, an AI-powered product that lets customers create, run, and share custom go-to-market apps using natural language.
What you'll do
- Develop the builder interface, including chat-driven creation, live preview, editing, publishing, and sharing.
- Design the agent, app runtime, workflows, integrations, permissions, and security for generated apps.
- Work with customers and design partners to improve the product and own its quality, reliability, performance, and cost.
What they ask for
- 5+ years building and shipping production software, with frontend and backend depth on the same product.
- Strong TypeScript and React skills, including complex stateful interfaces.
- Production experience with LLMs, such as agent loops, tool calling, context management, code generation, or evaluations.
- Experience making security decisions for systems running untrusted or generated code.
Nice to have
- Experience with low-code, no-code, AI app builders, or developer tools.
- Experience with Cloudflare Workers, Durable Objects, Ruby on Rails at scale, or GTM technology.
Tools
TypeScript, React, Ruby on Rails, Node.js, Cloudflare Workers, Durable Objects, Python, MongoDB
AI focus
Build an agent that generates and edits software, and use LLMs in production. The role also expects AI-assisted development as a core part of the engineer’s workflow.
Model-written summary · the original posting is authoritative