--- title: 'Data Annotation Quality Specialist at Mistral' canonical: 'https://feeny.ai/job/data-annotation-quality-specialist-mistral-paris-qadaaww85wfz' type: 'job' last_seen: '2026-09-13' --- # Data Annotation Quality Specialist at Mistral - **Company:** [Mistral](https://feeny.ai/companies/mistral) - **Location:** Paris, France - **Employment:** full-time - **Work type:** onsite - **Posted:** 2026-07-05 - **Last confirmed live:** 2026-09-13 - **Apply:** https://jobs.ashbyhq.com/mistral.ai/2c064469-0e4b-479a-86dc-f94089a39ca4 ## Job description ## About Mistral Mistral provides full-stack AI solutions: from frontier models to developer tools, applications, and compute. We partner with enterprises tackling the hardest problems—across high-stakes industries like finance, manufacturing, defense, healthcare, and the public sector—co-creating customized AI systems that they can run on their terms. 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. Our teams are distributed between Europe, North America, Asia and the Middle East. We are creative, low-ego and team-spirited. ## The Role As a Data Quality Specialist on the Human Data Annotation team, you will ensure the highest standards of quality and efficiency in human data annotations. This role exists to support the development and evaluation of AI models by creating and auditing annotations that meet rigorous guidelines. You will work closely with the technical team to refine annotation processes, tools, and guidelines, directly contributing to the accuracy and reliability of our models. Your attention to detail and analytical skills will help maintain the integrity of the data that powers Mistral’s AI systems. ## What You Will Do - Create high-quality data annotations based on guidelines and continuous feedback. - Review and audit annotations to clarify requirements and improve annotation processes. - Collaborate with the technical team to share insights that enhance tools and guidelines. - Apply strong research and analytical skills to ensure data accuracy and consistency. - Exercise sound judgment when working with complex instructions, limited data, or multiple information sources. - Adapt to dynamic environments and evolving requirements to maintain high standards. - Contribute to operational workflows with a high tolerance for repetitive tasks. ## What We're Looking For - Relevant academic background in science, technology, engineering, or mathematics. - Professional proficiency in English, with strong writing and comprehension skills. - Outstanding research and analytical abilities to ensure data quality. - Excellent communication, interpersonal, and organizational skills. - Ability to adapt easily to changing requirements and dynamic environments. - Willingness to engage in operational work and learn new tools and technologies. - Experience with data, fluency in multiple languages, or familiarity with code is a plus. ## What We Offer We offer a comprehensive benefits package designed to support your well-being, growth, and work-life balance. Benefits vary by country and may include healthcare coverage, parental leave, retirement plans, relocation support, wellness programs, meal and transportation allowances, and other location-specific perks. For the most up-to-date details on benefits available in your location, please refer to our [Benefits page](https://app.notion.com/p/mistralai/Benefits-at-Mistral-36e6ba59a7fe836b93dd01737fcc27ef?source=copy_link). Privacy Policy Your privacy matters to us. You can learn more about how we handle your personal data in our [Applicant Privacy Policy](https://legal.mistral.ai/terms/applicant-privacy-policy). ## About Mistral ## Company Overview - **One-liner**: Mistral is a French AI company building open, frontier-grade large language models, developer platforms, and applied AI solutions for enterprises and governments. - **Entity Type**: Private (Series C) - **Headquarters**: Paris, France (15 rue des Halles) - **Founded**: April 2023 - **Founders**: Arthur Mensch (CEO), Guillaume Lample (Chief Science Officer), Timothée Lacroix (CTO) ## Core Business - **Primary industry/industries**: Artificial Intelligence, Large Language Models, Enterprise AI Software - **Target customers**: B2B, Enterprise, Government, and Developers (B2D) - **Mission or purpose statement**: "To make frontier AI open to all, and together solve the world's hardest problems." ## Products & Services - **Mistral Large**: Frontier-grade large language model for complex reasoning and enterprise tasks. - **Mistral Small 3**: Efficient, lightweight model for cost-sensitive deployments. - **Mistral Code / Vibe**: AI agent for long-horizon, autonomous software development and task completion. - **Le Chat**: Consumer-facing AI assistant and chatbot. - **Mistral OCR 4**: State-of-the-art document intelligence model for extracting and understanding text from images and PDFs. - **Mistral Forge**: Custom model development service for training, aligning, and evaluating proprietary AI models on private data. - **Mistral Studio**: Platform for building, testing, and running AI agents and applications with full control. - **Mistral Compute**: Infrastructure and orchestration platform for frontier-scale training and inference (edge to cloud). - **Mistral Search Toolkit**: Tools for integrating search and retrieval into AI applications. - **Voxtral**: Voice AI model for speech-based interactions. ## Market Standing - **Valuation/Market Cap**: $4.016 billion (latest reported valuation, per CB Insights; date not specified but likely post-Series C) - **Key Metric**: Total funding raised across Seed, Series A, Series B, and Series C rounds (specific amounts not disclosed in search results). - **Notable Investors/Partners**: Not explicitly named in search results, but the company partners with organizations in finance, manufacturing, defense, energy, and the public sector. - **Growth Signals**: - Rapid scaling: 900+ employees across 30+ nationalities as of mid-2026. - 50% of leadership roles held by women. - Key product launches on a near-monthly cadence (e.g., Mistral OCR, Forge, Vibe, Compute, Search Toolkit, Voxtral). - Strong presence in high-stakes, regulated industries (defense, energy, public sector). ## Competitive Advantages - **Open-source DNA**: Commitment to openness, transparency, and cost efficiency differentiates Mistral from closed, Big Tech AI labs. - **Full-stack ownership**: Controls the entire stack from frontier models to developer tools, applications, and compute infrastructure, enabling deep customization and reliability. - **European leadership**: Positioned as a sovereign, European AI champion, appealing to governments and enterprises seeking data control and regulatory compliance. - **Speed and rigor**: Culture of rapid experimentation, iteration, and data-driven decision-making. ## Strategic Focus - **Enterprise and government partnerships**: Co-creating tailored AI systems for mission-critical use cases in finance, manufacturing, defense, energy, and public sector. - **Open platform ecosystem**: Expanding Mistral Studio and Forge to enable customers to build custom models and agents on their own data. - **Infrastructure as a product**: Commercializing Mistral Compute to become a platform for others to train and run AI workloads. - **Continuous model innovation**: Releasing new frontier models and capabilities (OCR, voice, code agents) at a rapid pace. ## Why Work Here - **Culture**: Flat structure, high ownership, low ego, and a "builders, not order takers" mentality. The company values audacity, speed, rigor, and customer centricity. - **Remote/Hybrid/Office**: Based in Paris (15 rue des Halles); relocation support and visa sponsorship offered. Specific remote/hybrid policy not detailed, but global team suggests flexibility. - **Notable perks and benefits** (from careers page): - 20 weeks paid parental leave for all birthing parents. - 100% employer-sponsored medical, dental, and vision coverage for employees and dependents. - 6% 401k match (US) / 5% pension contribution (UK). - Childcare support (reserved daycare seats or financial assistance). - Meal allowances and transportation support. - Fitness and wellness subsidies. - Relocation and settling-in services. - Financial and career planning support. - **Team composition**: 900+ employees from 30+ nationalities; 50% female leaders. - **Interview process**: For science, product, and engineering roles: intro conversation → 2-5 technical exercises → 1-3 interviews (hiring manager + teammates) → values conversation → reference checks. ## Sources 1. [Mistral AI - About Page](https://mistral.ai/about/) 2. [Mistral AI - Careers Page](https://mistral.ai/careers/) 3. [Mistral AI - Homepage](https://mistral.ai/) 4. [CB Insights - Mistral AI Company Profile](https://www.cbinsights.com/company/mistral-ai) 5. [Mistral AI - LinkedIn](https://www.linkedin.com/company/mistralai) ## Other roles at Mistral - [Applied AI Engineer, AI for Mistral](https://feeny.ai/job/applied-ai-engineer-ai-for-mistral-mistral-paris-x0mkaszmqrrn) — Paris, France - [Field CTO, DACH](https://feeny.ai/job/field-cto-dach-mistral-munich-0cqtpfs21qsf) — Munich, Germany - [Research Engineer, Full Stack](https://feeny.ai/job/research-engineer-full-stack-mistral-palo-alto-em0x4tqd599e) — Palo Alto, CA - [Technical Program Manager, Science Operations](https://feeny.ai/job/technical-program-manager-science-operations-mistral-paris-x1g7pj7k481q) — Paris, France - [Account Executive Enterprise, KSA](https://feeny.ai/job/account-executive-enterprise-ksa-mistral-dubai-jek2h0dqdjjr) — Dubai, United Arab Emirates - [Account Executive Enterprise, Turkey](https://feeny.ai/job/account-executive-enterprise-turkey-mistral-dubai-a0aq7hxr39qj) — Dubai, United Arab Emirates - [Compute Solution Architect](https://feeny.ai/job/compute-solution-architect-mistral-new-york-3cbx78fj2vd0) — New York, NY - [Technical Recruiter, APAC](https://feeny.ai/job/technical-recruiter-apac-mistral-singapore-gsyy35t1s0fb) — Singapore - [Field Marketing Manager - ASEAN](https://feeny.ai/job/field-marketing-manager-asean-mistral-singapore-b29gsrny4qne) — Singapore - [Recruiting Coordinator](https://feeny.ai/job/recruiting-coordinator-mistral-palo-alto-ka7se9gqvz6t) — Palo Alto, CA