Fireworks AI
Member of Technical Staff, Nexus
$200K–$290K
San Mateo · On-site · Staff · Full-time · Posted Aug 1, 2026
- Experience
- 3+ years as a software engineer.
About the job
Own and ship end-to-end product features for Fireworks Nexus and its platform, including AI request routing, developer integrations, cost observability, enterprise controls, APIs, and fine-tuning workflows.
What you'll do
- Build routing and migration features that direct requests between open models and customers’ existing providers while reducing costs.
- Develop FireConnect integrations, compatible APIs, and caching and infrastructure improvements to simplify adoption and lower costs.
- Ship and iterate on full-stack product features, instrumenting usage and collaborating across engineering, research, growth, data, and design.
What they ask for
- 3+ years as a software engineer, including meaningful experience building and shipping user-facing products.
- Strong full-stack skills across React/TypeScript, Python, Go or similar, APIs, and databases.
- Track record shipping developer-facing products such as APIs, dashboards, consoles, CLIs, or developer tools.
- End-to-end ownership, strong product instincts, and ability to operate at high velocity.
Nice to have
- Experience building on complex infrastructure, inference platforms, cloud services, data platforms, or ML tooling.
- Experience building for technical users; familiarity with AI developer tools and developer experience.
Pay
$200K – $290K • Offers Equity
Tools
React/TypeScript, Python, Go, FireConnect, Claude Code, Codex, OpenCode
AI focus
Build AI workload routing and migration products that direct requests to open models or existing providers, along with integrations, cost observability, enterprise controls, and fine-tuning workflows.
Model-written summary · the original posting is authoritative