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Data Annotation Quality Specialist

Mistral AI
πŸ“ ParisπŸ—“ Posted 2026-03-06
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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. \n Key Responsibilities

Create high-quality data annotations, based on guidelines and continuous feedback, for the development and evaluation of AI models
In collaboration with the technical team, review/audit annotations in order to clarify requirements and share insights that improve annotation processes, tools, and guidelines

About you
Relevant academic background (science, technology, engineering, mathematics)
Professional proficiency in English, with strong writing and comprehension skills
Outstanding research and analytical skills
Exercises great judgement with complex instructions, limited data, and/or multiple information sources
Excellent communication, interpersonal, and organizational abilities
Adapts easily to dynamic environments and changing requirements
Appetite for operational work and high tolerance for repetitive tasks
Passionate about and committed to learning new tools and technologies
Nice to have
Proven track record working with data
Fluency in multiple languages
Experience with code
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Benefits:

France
πŸ’° Competitive cash salary and equity
πŸ₯• Food : Daily lunch vouchers
πŸ₯Ž Sport : Monthly contribution to a Gympass subscription
🚴 Transportation : Monthly contribution to a mobility pass
πŸ§‘β€βš•οΈ Health : Full health insurance for you and your family
🍼 Parental : Generous parental leave policy
🌎 Visa sponsorship

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