Blacksmith
Senior Product Engineer
$200K–$300K
New York City · On-site · Senior · Full-time · Posted Apr 30, 2025
- Experience
- 5+ years of software development experience.
About the job
Build product experiences and infrastructure for Blacksmith’s AI coding agent, CI debugging, and analytics and observability platform.
What you'll do
- Build and evolve Codesmith, including its workflows, UI, and supporting infrastructure.
- Create tools to help engineers and AI agents debug flaky CI jobs and identify root causes.
- Develop AI-powered features and contribute to the architecture for sandboxed workspaces and agent sessions.
What they ask for
- Strong computer science fundamentals and deep understanding of React and modern frontend development.
- Ability to build polished, high-performance user interfaces and address browser performance and complex component architecture.
- Enjoy working in person 5 days a week in NYC.
- Comfort with ambiguity at a very early-stage startup.
Nice to have
- Experience with side hustles or startup projects.
- Comfort creating new processes and iterating on them quickly.
Pay
$200K – $300K (base salary)
Tools
React
AI focus
Build a background coding agent, agent sandboxes, and AI-powered features such as natural language interfaces and automated fix generation; support engineers and AI agents in debugging CI jobs.
Model-written summary · the original posting is authoritative