# Member of Technical Staff, LLM Infrastructure Source: https://realanalystjobs.com/job/member-of-technical-staff-llm-infrastructure-fireworks-ai-d69ce531 Member of Technical Staff, LLM Infrastructure at Fireworks AI, an on-site role based in San Mateo, California, USA. Experience level: 3 Years. Pay stated in the posting: $175K to $220K. Posted on 5 November 2025, read from Fireworks AI's own careers page (Ashby), which RealAnalystJobs re-checks daily and removes the role when it closes. Fireworks AI has approved H-1B petitions on USCIS record (employer-wide, not a promise for this role). Updated 15 November 2026. ## Key facts - Company: [Fireworks AI](https://realanalystjobs.com/companies/fireworks-ai) - Location: San Mateo, California, USA - Work mode: On-site - Pay stated in the posting: $175K to $220K - Posted: Nov 5, 2025 - Employment type: Full time - Experience level: 3 Years - Source: Fireworks AI's careers page (Ashby), re-checked daily Skills: [Python](https://realanalystjobs.com/skills/python) ## Visa sponsorship The posting does not say. Fireworks AI had H-1B petitions approved for 1 worker in fiscal year 2026 (USCIS). That is history, not a promise for this role. [See the record](https://realanalystjobs.com/companies/fireworks-ai#h1b-record) ## About this role 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: As a Software Engineer on our AI Infrastructure team, you will help design the core systems that power Fireworks AI’s generative AI platform. You will help build infrastructure and tools that ensure the reliability, performance, quality, and availability of our AI system. Our mission is to make Fireworks AI the most reliable and user friendly generative AI platform in the world. You will partner closely with our cloud infrastructure team, product team, and performance team to deliver infrastructure that bridges the gap between our customer and the ultra-performant proprietary Fireworks inference engine. Key Responsibilities: • Contribute to the design and development of scalable backend infrastructure that supports distributed training, inference, and data pipelines • Build and maintain core backend services such as LLM CI/CD pipeline, control plane, and model serving systems • Support performance optimization, cost efficiency, and reliability improvements across compute, storage, and networking layers • Building frameworks and safeguards to ensure Fireworks AI has the best model quality in the industry • Collaborate with performance, training, and product teams to translate research and product needs into infrastructure solutions • Participate in code reviews, technical discussions, and continuous integration and deployment processes Minimum Qualifications: • Bachelor’s degree in Computer Science, Engineering, or a related technical field (or equivalent practical experience) • 3 years of experience in software engineering, with a focus on infrastructure or machine learning systems • Strong programming skills in Python, Go, or a similar language • Proven experience in ML infrastructure and tooling (e.g., PyTorch, MLflow, Vertex AI, SageMaker, Kubernetes, etc.). • Basic understanding of LLM knowledge (e.g., context length, disaggregated prefill, KV cache memory estimation, etc) Preferred Qualifications: • 5+ years of experience in software engineering, with a focus on infrastructure or machine learning systems • Experience with open source inference engine like vLLM, Sglang, or TRT-LLM • Contributions to open-source infrastructure or ML projects • Experience in building large scale ML/MLOps infrastructure 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. Description from Fireworks AI's public careers feed, reproduced so you can read the role here. Apply on the company's own site; Real Analyst Jobs never submits anything for you. ## How to apply Open [this role on Real Analyst Jobs](https://realanalystjobs.com/job/member-of-technical-staff-llm-infrastructure-fireworks-ai-d69ce531) and use Apply now there to reach the employer's application. The listing is re-checked against Fireworks AI's careers page daily and removed when it closes. ## Fireworks AI 3 open analyst roles on Real Analyst Jobs. [More roles at Fireworks AI](https://realanalystjobs.com/companies/fireworks-ai) ## More like this ### Other open roles at Fireworks AI - [Third-Party Risk Management Analyst](https://realanalystjobs.com/job/third-party-risk-management-analyst-fireworks-ai-a7d76984), San Mateo California, USA (On-site) - [Compute Financial Analyst](https://realanalystjobs.com/job/compute-financial-analyst-fireworks-ai-2a130c20), San Mateo California, USA (On-site) - [Member of Technical Staff, Data](https://realanalystjobs.com/job/member-of-technical-staff-data-fireworks-ai-d34b9ff9), San Mateo California, USA (On-site) - [Data analyst jobs in the USA](https://realanalystjobs.com/jobs/data-analyst-jobs-in-usa) - [Analyst job market report](https://realanalystjobs.com/analyst-job-market) - [What analyst roles pay](https://realanalystjobs.com/blog/data-analyst-salaries) ## Sources and links - [This role on Real Analyst Jobs](https://realanalystjobs.com/job/member-of-technical-staff-llm-infrastructure-fireworks-ai-d69ce531) - [Fireworks AI on Real Analyst Jobs](https://realanalystjobs.com/companies/fireworks-ai) - [All analyst jobs](https://realanalystjobs.com/jobs)