Member of Technical Staff- Full Stack Software Engineer
Fireworks AI
Member of Technical Staff- Full Stack Software Engineer at Fireworks AI is a full time role based in San Mateo, California, United States. It was published on 5 June 2026 and was open at last check.
| Role | Member of Technical Staff- Full Stack Software Engineer |
|---|---|
| Company | Fireworks AI |
| Location | San Mateo, California, United States |
| Employment type | Full Time |
| Published | 5 June 2026 |
| Status | Open at last check |
About Us:
Fireworks is the platform for specialized intelligence, enabling companies to build, train, and serve AI models tailored to their own data, workflows, and products. Founded by the team behind PyTorch and backed by AMD, Atreides, Benchmark Capital, Index Ventures, Lightspeed, NVIDIA, Sequoia Capital, and TCV, Fireworks powers production AI with hundreds of state-of-the-art open models across text, image, embedding, audio, and multimodal workloads. Today, Fireworks is a Series D company valued at $17.5 billion, bringing together an ambitious, collaborative team that's building the future of enterprise AI.
The Role
We are looking for a Full Stack Software Engineering to architect, build, and scale our developer-focused web application (fireworks.ai) and shape our end-to-end technical architecture. This role blends hands-on engineering with technical leadership, offering the opportunity to mentor other engineers, collaborate cross-functionally, and drive innovation in a fast-paced, AI-focused environment.
You'll play a key role in delivering scalable, elegant, and highly performant solutions that directly impact our hundreds of thousands of developers and product vision. You will be directly shaping and shipping the most optimal developer journey—spanning intuitive front-end interfaces, robust APIs, and efficient backend orchestration—combined with our large offering of open-source generative AI models, enabling our users to seamlessly build, experiment, and ship their AI workflows with our playground.
Key Responsibilities
- End-to-End Ownership: Engineering ownership of fireworks.ai from the user interface down to the API and data layer, with a strong focus on a delightful developer journey.
- Product-Led Growth: Participate in the team’s shared accountability for product-led growth through the web application, model playground, and seamless user onboarding workflows.
- Full Stack Development: Design, develop, and test responsive, performant web applications alongside robust, scalable backend services and APIs.
- Leadership & Mentorship: Mentor and support a team of full stack, frontend, and backend engineers through code reviews, pair programming, and ongoing technical coaching.
- Architectural Excellence: Define and implement full stack architectural standards, API design best practices, database schemas, and modern development workflows.
- Cross-Functional Collaboration: Partner with Product, Design, and Core AI/Infrastructure Engineering to align on requirements, system design, timelines, and delivery expectations.
- Systems & Components: Build and maintain reusable, scalable frontend component libraries while ensuring backend services are modular and easily integrated.
- Unified Developer Experience: Partner with other engineering teams to build an aligned developer journey across web, SDK, and CLI surfaces.
- Quality & Performance: Champion application performance, security, data integrity, and accessibility across the entire software stack.
- Innovation: Drive innovation by staying informed of emerging full stack trends, cloud-native technologies, and AI orchestration frameworks.
Minimum Qualifications
- Education: Bachelor’s degree in Computer Science or a related field, or equivalent practical experience.
- Experience: 6+ years of professional experience in full stack software development.
- Leadership: 2+ years of experience in a technical leadership role (e.g., tech lead, team lead, or engineering manager).
- Frontend Proficiency: Strong expertise in React, TypeScript, JavaScript, and Next.js.
- Backend Proficiency: Strong expertise in building server-side applications, designing RESTful or GraphQL APIs, and working with modern backend languages (e.g., Node.js, Python, Go).
- Data Management: Solid understanding of database systems (SQL/NoSQL), caching strategies, and data modeling.
- Track Record: Proven track record of delivering and scaling production-grade, full stack web applications.
- Architecture & Devops: Experience with modern cloud infrastructure (AWS, GCP, or OCI), containerization (Docker), and full stack CI/CD pipelines.
Preferred Qualifications
- AI/ML Domain Knowledge: Experience working in AI/ML-focused environments, or interacting with LLM APIs, vector databases, and model orchestration tools (e.g., LangChain, LlamaIndex).
- Startup Agility: Prior startup experience—especially as a technical founder or early engineer—is a major plus.
- People Growth: Experience managing or mentoring other engineers, including providing performance feedback and supporting career development.
- Developer Tooling: Prior experience building developer platforms, SaaS dashboards, or complex interactive environments like playgrounds and sandboxes.
- Open Source: Contributions to open-source projects, internal component libraries, or developer tools.
Why Fireworks?
- Solve Hard Problems: Tackle challenges at the forefront of AI infrastructure, from low-latency inference to scalable model serving.
- Build What’s Next: Work with bleeding-edge technology that impacts how businesses and developers harness AI globally.
- Ownership & Impact: Join a fast-growing, passionate team where your work directly shapes the future of AI—no bureaucracy, just results.
- Learn from the Best: Collaborate with world-class engineers and AI researchers who thrive on curiosity and innovation.
Fireworks AI is an equal-opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all innovators.
Create your free OnJob profile to apply — we'll take you to Fireworks AI's application after sign-up. · Posted 5 Jun 2026.
Member of Technical Staff- Full Stack Software Engineer at Fireworks AI — questions answered
What does the Member of Technical Staff- Full Stack Software Engineer role at Fireworks AI pay?
Fireworks AI does not publish a salary on this Member of Technical Staff- Full Stack Software Engineer listing, so OnJob shows no figure for it rather than an estimate. For what this role pays across the market, the OnJob salary guides aggregate the live listings that do disclose pay.
Where is the Member of Technical Staff- Full Stack Software Engineer role at Fireworks AI based?
Fireworks AI lists this Member of Technical Staff- Full Stack Software Engineer role in San Mateo, California, United States, advertised as full time work at that location. Larger employers sometimes cover several sites under one city name, so confirm the exact office with Fireworks AI before you apply.
Is the Member of Technical Staff- Full Stack Software Engineer role at Fireworks AI still open?
The Member of Technical Staff- Full Stack Software Engineer posting at Fireworks AI was open at OnJob's last check of the employer's careers page, having been published on 5 June 2026. OnJob re-checks source listings on each build and marks a role closed once it disappears, but listings can close without notice, so the employer's own page is the final word.
How do you apply for the Member of Technical Staff- Full Stack Software Engineer role at Fireworks AI?
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