Blacksmith
Product Engineer
New York City
Sponsorship not specifiedDetected 449 days ago
ReactDistributed SystemsFull-Stack DevelopmentGitGitHub ActionsAgentic AI
About the role
- - We started by building infrastructure to run CI workloads really fast. Our first product helps companies run GitHub Actions substantially faster and cheaper by owning and operating our own global fleet of bare-metal machines rather than renting generic cloud VMs.
- - Today, we orchestrate tens of millions of Firecracker VMs each month, running CI for 3,000+ companies and hit ~$10M in ARR in less than 2 years. We've more than tripled revenue since the start of 2026.
Responsibilities
- Build and evolve Codesmith, our background coding agent - designing the workflows, UI, and infrastructure that let engineers delegate coding tasks to AI and ship faster
- Can work closely with design to build polished, high-performance UIs - and aren't afraid to go deep on browser performance, rendering bottlenecks, or complex component architecture.
- You've dabbled in your own side hustles or start-up projects.
Compensation
- Annual offsite.
Benefits
- Medical, Vision, and Dental insurance.
- Competitive base + equity.
- Unlimited PTO.
- Early-exercise stock options
- 12 weeks fully paid parental leave (US)
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This listing is sourced directly from Blacksmith's careers page and normalized into a canonical job model.