AI Product Engineer - Nexus
Fireworks AI3 months ago
San Mateo, CA, USAMid Level
H1B sponsor
Base Salary
$200k - $300k/yr
Responsibilities
- Own product features end to end across Nexus and the broader Fireworks platform, including routing, FireConnect integrations, cost observability, enterprise controls, developer consoles, APIs, model playgrounds, fine-tuning workflows, and billing.
- Build real-time request routing and migration systems that direct routine work to open models and difficult tasks to existing providers while reducing costs without sacrificing quality.
- Extend FireConnect and Anthropic- and OpenAI-compatible APIs to make adoption possible through a base URL and model ID.
- Improve caching and infrastructure paths that produce material cost savings.
- Develop full-stack, production-quality product surfaces using React and TypeScript on the frontend and Python and Go services on the backend.
- Build products supporting new models, serving paths, consumption models, enterprise controls, and multi-agent harness tooling.
- Collaborate with Infrastructure, Applied Research, Growth, Data, and Design teams.
- Instrument features, analyze real usage, identify friction, and iterate on the product.
Requirements
- At least 3 years of software engineering experience, including meaningful experience building and shipping user-facing products.
- Strong full-stack skills across React and TypeScript, Python or Go, APIs, and databases.
- Track record of shipping developer-facing products such as APIs, dashboards, consoles, CLIs, or developer tools.
- Ability to own work end to end, from scoping ambiguous problems through deployment and iteration.
- Strong product instincts focused on developer experience.
- Ability to work at high velocity, make pragmatic trade-offs, and operate with extreme ownership.
- Preferred experience building products on complex infrastructure, inference platforms, cloud services, data platforms, or ML tooling.
- Preferred experience building products for deeply technical users where the API is as important as the UI.
- Comfort with fast-moving, founder-led environments and products that evolve week to week.
- Experience using AI tools daily and strong intuition for AI developer experience.
Tech Stack
Categories
About Fireworks AI
Fireworks AI builds a generative AI platform for developers and enterprises to train, fine-tune, and serve open models for production use across text, image, audio, embeddings, and multimodal workloads. It offers managed inference and tooling via APIs on globally distributed infrastructure, with a usage-based SaaS model. Founded in 2022 and headquartered in San Mateo, CA, Fireworks AI is a privately held, Series D company.