OpenAI
RE/RS, Data Understanding - Foundations
Skills
1 month ago
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Important information
Location:
Zürich, Switzerland
Work mode:
Onsite
Published on:
10 September 2026
What they need
Foundations - Zurich, Switzerland
About The Team
The Data Understanding team is responsible for creating the high quality datasets and their quantized representation for OpenAI. This includes synthesizing data, building VQ representations, and processing, filtering, deduplication, quality control, and tokenization so it can be used effectively in big model training runs.
About The Role
We're looking to advance how OpenAI builds and understands pretraining data at scale. You'll treat data quality and curation as core research problems: developing new methods to select data; creating datasets that improve model capabilities; and designing rigorous experiments to understand how data choices and interventions affect model learning and downstream behavior. You'll work closely with frontier models and web-scale data to build evidence for which approaches work and why, then translate successful research into scalable data processing pipelines
We Expect You To
- Have a strong track record of new or improved ML ideas, through publications, projects, or applied research.
- Own and drive a research agenda, from choosing the right problems to carrying long-running work through to impact.
- Be excited by OpenAI’s empirical, collaborative approach to research.
Nice To Have
- Thoughtfulness about AI’s impact, including privacy, provenance, and data quality.
- Experience building high-performance deep learning or large-scale data processing systems.
About OpenAI
OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. We push the boundaries of the capabilities of AI systems and seek to safely deploy them to the world through our products. AI is an extremely powerful tool that must be created with safety and human needs at its core the full spectrum of humanity.
We are an equal opportunity employeration, or other applicable legally protected characteristic.
Background checks for applicants will be administered in accordance with applicable lawation technology systems and related data security obligations.
To notify OpenAI that you believe this job posting is non-compliant. No response will be provided to inquiries unrelated to job posting compliance.
We are committed to providing reasonable accommodations to applicants with disabilities.
At OpenAI, we believe artificial intelligence has the potential to help people solve immense global challenges, and we want the upside of AI to be widely shared. Join us in shaping the future of technology.
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