Senior AI Engineer

Weave•San Francisco, CA

5h•$175,000 - $215,000•Hybrid

About The Position

Weave is seeking a hands-on AI engineer who can bridge the gap between data and biomedical expertise while delivering robust backend code. The primary focus will be building the LLM-facing components of our backend service, while ensuring the AI models consistently produce high-quality content under real-world load. The ideal candidate thrives in the full development cycle: taking concepts from initial conception through rigorous experimentation and testing, all the way to production deployment. The role values pragmatic problem-solving over flashy technology and buzz words, and robustly tested solutions over demoware. The company is building solutions that actually work—simple, thoroughly tested, and rock-solid reliable.

Requirements

History of working at early-stage, product-based startups (<50 people)
Scientist by disposition (and ideally by training); holds background knowledge or education in the biomedical space
Extensive knowledge of LLMs in production
Directly interacting with LLMs without abstraction libraries
Humble, hungry, and smart
Able to move quickly on tasks while producing high-quality results
Pragmatic, analytical thinker. Efficient decision maker

Nice To Haves

work with web services and frameworks
work with ORMs
knows SQL

Responsibilities

Writing production-ready backend code for LLM-facing components of our backend service
Writing tooling for automating the testing of LLM-in-the-loop code
Designing and validating LLM-based solutions and proving their effectiveness with real data and meaningful metrics
Developing test metrics for key functionality