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# Chief Scientist

- **Company:** Atla
- **Location:** London, UK
- **Experience:** Expert
- **Salary:** £200,000.0 - £300,000.0
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Machine Learning, Language Modeling, Software Safety, Graphics Processing Unit (GPU), Pytorch, Large Language Models, Model Validation
- **Published:** September 19, 2026
- **Apply:** https://www.adzuna.co.uk/jobs/details/5889010764

## About the Role

* Track record of 5+ years in pioneering AI research, with significant contributions to the field of LLMs, evidenced by publications in top-tier conferences and journals.
 * Proven experience in defining and executing research agendas, demonstrating the ability to guide and align a team toward achieving ambitious research goals.
 * Demonstrated success leading teams of researchers.
 * Deep expertise in training and evaluating language models across GPUs, preferably in PyTorch.
 * Experience at elite AI research lab (OpenAI, DeepMind, Meta, Anthropic, Cohere, etc.).

Nice to have

 * Experience at a fast growing startup.
 * Strong software, ML engineering expertise with a focus on building robust, scalable system.

## Description

About AtlaAtla is committed to engineering safe, beneficial AI systems that will have a massive positive impact on the future of humanity. We are a London-based start-up building the most capable AI evaluation models. Become part of our growing world-class team, backed by Y Combinator, Creandum, and the founders of Reddit, Cruise, Rappi, Instacart and more.
RoleAs Atla's Chief Scientist, you'll lead frontier research into training large language models, and advance the state of the art in AI safety research. As part of your role, you will:

 * Steer LLMs to become strong evaluators aligned with human preferences using advanced post-training techniques.
 * Lead and empower a world-class team of researchers and engineers, setting a high bar of excellence that propels Atla forward.
 * Define and execute an ambitious research agenda that advances Atla's position as a leader in language model evaluation.
 * Develop comprehensive evaluation frameworks, including tooling, datasets and metrics for rigorous assessment of alignment and safety risks.
 * Contribute significant findings to leading AI safety conferences and journals.


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