Mistral

Data Quality Specialist

Paris March 7, 2026 Full Time Lever
About Mistral At Mistral we are on a mission to democratize AI, producing frontier intelligence for everyone, developed in the open, and built by engineers all over the world. We are a dynamic, collaborative team passionate about AI and its potential to transform society. Our diverse workforce thrives in competitive environments and is committed to driving innovation, with teams distributed between Europe, the USA and Asia. We are creative, low-ego and team-spirited. At Mistral, we develop models for the enterprise and for consumers, focusing on delivering systems which can really change the way in which businesses operate and which can integrate into our daily lives. All while releasing frontier models open-source, for everyone to try and benefit. Mistral is hiring experts in the training of large language models and distributed systems. Join us to be part of a pioneering company shaping the future of AI. Role Summary We’re seeking highly motivated Data Quality Specialists with strong analytical skills and a keen eye for detail to join our Human Data Annotation team within the Science organisation. In this role, you will contribute to and audit human data annotations, upholding the highest standards of quality and efficiency.
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How to Get Hired at Mistral AI

  • Before applying, spend meaningful time with Mistral's products (Le Chat, their API, open-weight models on Hugging Face) and read at least 2-3 of their technical blog posts or research papers — this firsthand familiarity will distinguish you at every stage of the process
  • Tailor your resume to use Mistral's specific technical vocabulary (mixture of experts, sliding window attention, function calling, open-weight models) and quantify your experience at the scale Mistral operates — parameters, GPUs, tokens, users
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