Evaluations Engineer
Vals, San Francisco
- Pay
- $130K – $185K • Offers Equity
- Work type
- Onsite
- Level
- Not stated
- Area
- Software engineering
- Posted
- Jun 27, 2026
About the role
Please note that this process is designed to run extremely quickly (~1 week end-to-end) and includes a take-home component.
About the Role
We are looking for strong engineers to join our team and own the leaderboards that appear on Vals AI.
You'll be responsible for testing new models against our benchmarks as they're released; covering tasks in law, tax, coding, finance, social mobility, and more. You will analyze error modes of models, evaluate their strengths and weaknesses, and work with our communications team to release results.
Our results are used by startups, enterprises, and research labs alike. We work with all the major foundation model labs, some of the largest financial institutions, and hospital systems in the world. Our work has been featured by the Wall Street Journal, Washington Post, and Bloomberg.
We are building the standard for evaluating the ability of LLMs to perform real-world tasks. You will contribute directly to the leaderboards that make this possible.
What You’ll Do
- Evaluate new LLM model releases across the Vals AI suite of benchmarks
- Work directly with both open-source and closed-source foundation model labs in evaluating model performance
- Use tools like Docent to analyze common failure modes and patterns in model performance
- Work directly with our social media team to post interesting findings and results
- Add new models and maintain integrations in our model library https://github.com/vals-ai/model-library
- Help improve and maintain the infrastructure we use to run benchmarks (agentic and non-agentic).
This role follows the rhythm of model releases. Expect intense sprints in the days following a major launch, and calmer stretches in between releases.
Requirements
- Familiarity with the LLMs: You should already be familiar with the space - the current leading models, relative performance across them, how to use large language models in practice.
- Strong engineering fundamentals: You can build and ship quickly with high quality. You should have a track record of building things of significant scope (at jobs, side projects, open source, etc.)
- Python expertise: Significant experience in Python, especially in a professional setting.
- Team collaboration: Experience working in development sprints, Git workflows, and pull request reviews.
- Strong work ethic: Willingness to work long hours during model releases and get high-quality results out under tight deadlines.
- Location: We are an in-person team based in San Francisco. We will support your relocation or transportation as needed.
Nice-to-Haves
- Previous experience with benchmarking large language models, or creating benchmarks
- Previous experience working at a startup or starting your own company
- Technical writing experience and ability
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Listed on Vals's Ashby job board; checked 29 h ago. First seen by us 31 h ago. Being listed doesn't mean the team is actively interviewing. We found this board in a public directory and haven't yet confirmed it against the company's own careers page.