Founding AI Engineer (Early Career) — Ship AI to Production

Matterhaul, Inc.; San Francisco (CA); On-site; USD 150,000 - 185,000; Full time

Benefits offered by this job

Office in SF

Hardware + API budget

4 days/week in SF office

Job summary

Matterhaul, Inc. in San Francisco seeks an early-career AI engineer who has shipped AI systems to real users and wants to grow into senior ownership across agents, retrieval, evals, observability, and document or voice pipelines.

This is a full-time, on-site role in SF SOMA. You will own surfaces end-to-end, write evals, tune retrieval, and help build extraction pipelines, with mentorship and on-call responsibilities as the team scales.

Qualifications

• Bachelor's or Master's in CS or related field from a top program.
• ≈2 years of post-grad software engineering experience.
• ≥1 year building AI systems in production used by real users.
• Strong software engineering practices: tests, debugging, and code reviews.
• Experience with modern LLM stacks and token-cost aware design.
• Proficiency in TypeScript or Python; experience with both is a plus.
• Experience with retrieval, agents, or multi-step AI workflows.
• Hunger to grow into senior AI engineer; comfortable with mentorship.

Responsibilities

• Own one or two AI agent surfaces end-to-end: prompts, tools, evals, observability, on-call.
• Write golden eval sets and regression suites for model-based systems.
• Tune retrieval: embeddings, chunking, reranking, and query rewriting on real data.
• Iterate on prompts and tools with rapid experimentation.
• Help own document and voice pipelines from supplier PDFs to structured facts.
• Contribute to observability: traces, dashboards, alerts for regressions.
• Assist with research triage and evaluating new models or techniques.

Skills

2 years post-grad engineering

Production AI experience

Strong CS fundamentals

LLM stack familiarity

TypeScript or Python proficiency

Retrieval and agents

Willingness to grow into senior role

Education

Bachelor's or Master's in CS or related field

Tools

TypeScript

Python

OpenAI API

Anthropic API

Google API

Job description

Matterhaul, Inc. in San Francisco seeks an early-career AI engineer who has shipped AI systems to real users and wants to grow into senior ownership across agents, retrieval, evals, observability, and document or voice pipelines.

This is a full-time, on-site role in SF SOMA. You will own surfaces end-to-end, write evals, tune retrieval, and help build extraction pipelines, with mentorship and on-call responsibilities as the team scales.