Senior ML Engineer; LLMs/Frontier Tech/Seattle, WA
Listed on 2026-02-28
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IT/Tech
AI Engineer, Systems Engineer, Machine Learning/ ML Engineer
Overview
Senior ML/AI Engineer / Frontier Tech / Seattle, WA / $350k
++IMPORTANT:++Due to the nature of the company’s work, only U.S. citizens can be considered for this position.
We’re hiring for a frontier aerospace company in Seattle that’s redefining how AI powers real-world missions. Backed by top-tier investors, they build mission-critical GenAI systems used in environments where accuracy, reliability & latency literally matter.
This isn’t a big corporate lab. It’s a tight, elite engineering team where you’ll have ownership, equity & autonomy to build from the ground up – and see your work directly influence live aerospace operations.
They’re seeking a Senior or Lead AI Engineer to take full ownership of a retrieval and evaluation pipeline already powering production systems. You’ll fine-tune, optimise, and scale LLM-driven intelligence that sits at the core of aerospace decision-making.
What You’ll Do- Own and evolve a production-grade GenAI retrieval & evaluation pipeline — hybrid vector keyword retrieval (FAISS/BM25) tuned for precision, recall, and sub-100ms latency
- Optimise RAG performance across the stack — prompt routing, context compression, reranking, and answer grounding under strict reliability thresholds
- Design & implement scalable architectures for inference, caching, and continuous evaluation — your decisions will directly shape live aerospace intelligence systems
- Debug & deploy in high-stakes production — profiling token usage, batching inference, automating evals with Lang Smith or custom metrics suites
- Collaborate directly with technical founders & aerospace engineers to align LLM performance with real-world mission data
- Proven experience deploying LLM or RAG-based systems into production
- Strong grasp of retrieval, ranking, and evaluation under real constraints
- Hands-on with Python, PyTorch, Lang Chain, Hugging Face, vector DBs
- You’ve shipped systems that work in production
, not research demos - Background in high-performance or regulated environments (defence, aerospace, fintech, etc.)
- Ownership mindset – fast, curious & comfortable building 0→1 systems
Python, PyTorch, FastAPI, Hugging Face, Postgres, Redis, Docker, Kubernetes, Vector Databases
Offer- Up to $350,000 base plus meaningful equity (already doing exceptionally)
- Medical & dental (full coverage)
- Backed by top-tier investors with serious long-term conviction
- Onsite in downtown Seattle – relo offered
- Join a small, elite team tackling problems few can even attempt
- 0 bureaucracy, 0 noise – just hard problems, fast decisions, real impact
2 weeks total
TL;DR
- Join a frontier tech company with real customers and real systems in production
- Work onsite in Seattle, directly with senior engineers & technical founders
- Own performance-critical ML pipelines where speed and precision matter
- This is real product work, not research or prototypes
- Up to $350K base salary with meaningful equity
- U.S. Citizenship required due to the nature of the work
Must be onsite in Seattle. Relocation support available for exceptional candidates.
Our client is an Equal Opportunity employer.
If you’re a Senior ML engineer ready to build systems that matter, apply now.
Our new NYC roles here 1st:
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