Senior AI Engineer - Build Coding Agents for Next-Gen Apps

Logoslabs; San Francisco (CA); Remote; USD 180,000 - 280,000; Full time

Job summary

Bolt.new by StackBlitz is seeking a Senior Engineer on the AI team to build and improve core coding AI agents powering Bolt.new. You’ll collaborate with product, design, engineering, and data to solve context, evaluation, and multi-step workflow challenges across large codebases.

This isn’t API integration work—your contributions will influence how AI reasons about and generates full-stack apps used by millions of developers every day.

Qualifications

• Have shipped LLM agents to production environments used by thousands of users.
• Deep understanding of prompt engineering to guide LLM behavior.
• Solid software engineering fundamentals for production-ready systems.
• Ability to deliver high-quality work end-to-end with minimal oversight.
• Strong analytical skills to debug AI behaviors and derive improvements.
• Experience collecting and analyzing data to inform decisions.

Responsibilities

• Build and ship state-of-the-art coding agents for Bolt.new, including long-running workflows and context management.
• Own agent capabilities end-to-end: planning, tool use, code generation/editing, and context maintenance.
• Integrate and evaluate multiple LLM providers; benchmark quality, cost, and latency.
• Design safe, reliable tool use and workflow orchestration with production observability.
• Collaborate with product/design/engineering/data to deliver robust AI features; mentor peers.
• Develop and maintain evaluation datasets; analyze failure modes and user feedback to improve quality.

Skills

LLM Experience

Prompt Engineering

Software Engineering

Autonomous Execution

Data-Driven Mindset

English Communication

Job description

Bolt.new by StackBlitz is seeking a Senior Engineer on the AI team to build and improve core coding AI agents powering Bolt.new. You’ll collaborate with product, design, engineering, and data to solve context, evaluation, and multi-step workflow challenges across large codebases.

This isn’t API integration work—your contributions will influence how AI reasons about and generates full-stack apps used by millions of developers every day.