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Founding Engineer
Job in
San Francisco, San Francisco County, California, 94199, USA
Listed on 2026-07-25
Listing for:
Stealth Startup
Full Time
position Listed on 2026-07-25
Job specializations:
-
Software Development
AI Engineer (Applied/Software), Cloud Engineer - Software, DevOps, Machine Learning/ ML Engineer
Job Description & How to Apply Below
We're looking for a Founding Engineer with deep AI infrastructure experience to design, build, and scale the systems that power our products. This is a hands-on, high-ownership role: you'll own everything from model serving and inference optimization to data pipelines, evaluation frameworks, and the cloud infrastructure underneath it all.
Requirements:
- Architect and build the core AI infrastructure stack — model serving, inference pipelines, orchestration, and scaling
- Design and optimize LLM-based systems, including RAG pipelines, agentic workflows, fine-tuning infrastructure, and prompt/eval frameworks
- Build reliable, observable, cost-efficient inference systems (latency, throughput, and GPU utilization optimization)
- Stand up and own cloud infrastructure (AWS/GCP/Azure), CI/CD, containerization, and orchestration (Docker, Kubernetes)
- Build data pipelines for ingestion, processing, embedding, and retrieval at scale
- Establish engineering foundations — testing, monitoring, deployment practices, and security — that the team will build on for years
- Work directly with founders on product direction, technical strategy, and early customer deployments
- Help recruit, interview, and mentor the engineers who come after you
What we're looking for:
- 4+ years of software engineering experience, with significant time spent on ML/AI infrastructure, platform engineering, or backend systems at scale
- Hands-on experience deploying and scaling LLM applications in production (model serving frameworks such as vLLM, TGI, Triton, or managed equivalents)
- Strong proficiency in Python; comfort with Go, Rust, or Type Script is a plus
- Deep familiarity with cloud infrastructure (AWS, GCP, or Azure), Kubernetes, and infrastructure-as-code (Terraform or similar)
- Experience with vector databases, embedding pipelines, and retrieval systems
- Startup mindset: bias toward shipping, comfort with ambiguity, and willingness to work across the stack when needed
- Strong communication skills and the judgment to make pragmatic build-vs-buy tradeoffs
Nice to have:
- Experience as an early or founding engineer at a startup
- GPU cluster management, distributed training, or inference optimization (quantization, batching, caching)
- Experience with agent frameworks, tool use / function calling, and multi-modal systems
- Prior work in fast-moving product environments with direct customer exposure
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