--- title: 'Applied AI Engineer, Prototyping at Mistral' canonical: 'https://feeny.ai/job/applied-ai-engineer-prototyping-mistral-paris-9hgn23dyy5kd' type: 'job' last_seen: '2026-10-18' --- # Applied AI Engineer, Prototyping at Mistral - **Company:** [Mistral](https://feeny.ai/companies/mistral) - **Location:** Paris, France - **Employment:** full-time - **Posted:** 2026-08-11 - **Last confirmed live:** 2026-10-18 - **Apply:** https://jobs.ashbyhq.com/mistral.ai/52e1cc10-dfe0-4361-81c1-227f70f61e20/application **Skills:** Python, FastAPI, Pydantic, React, Vue, LLMs, RAG, Agentic systems, Kubernetes, System design, Infrastructure, Docker, AWS, GCP, Terraform, Next.js, Open-source contribution > Build and deliver production-grade full-stack AI solutions for global customers and internal teams. The role involves translating business problems into working software, owning architecture, and collaborating across GTM, product, and engineering to ship high-impact AI systems. ## 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 an Applied AI Engineer on the Proto team, you will lead the design and delivery of robust, production-grade AI systems in rapid development cycles. The Proto team sits at the intersection of product and customer, turning advanced technology into meaningful, real-world solutions. You will be deeply involved in both client-facing and internal projects, ensuring Mistral’s capabilities directly address business needs and drive measurable value. You will translate complex, often ambiguous business requirements into engineered solutions that work at scale. In this role, you guide technical decisions, collaborate closely with internal teams and customers, and help shape product direction by pressure-testing what’s possible. Your work will unlock new business opportunities and help drive continuous product improvement. ## What You Will Do - Deliver end-to-end full-stack AI solutions from project scoping through deployment - Partner with customers to clarify needs, define requirements, and architect robust systems - Ship ready-to-use applications for both clients and Mistral’s internal teams - Lead architecture and technical choices, ensuring solutions are scalable and reliable - Diagnose and solve complex technical problems across various industries and use cases - Contribute to internal tools, product improvements, and open-source initiatives - Evaluate and integrate new technology capabilities into existing systems ## What We're Looking For - At least 2 years building and deploying production AI products or systems - Strong experience with vibe coding tool, with high regards for clean code & high architecture standards - Experience working with modern GenAI stacks with expertise in RAG, Agent, Evaluation & Orchestration. - Strong Python skills, with experience in scalable backend frameworks like FastAPI - Familiarity with frontend development, ideally using frameworks such as React or Vue - Ability to quickly understand business needs and translate them into technical plans - Skilled at explaining complex technical ideas to diverse stakeholders - Track record of collaborating effectively across different teams ## 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 - [Research Engineer, Sandboxes](https://feeny.ai/job/research-engineer-sandboxes-mistral-paris-46kamrmz23tw) — Paris, France - [Research Engineer - Search and Services](https://feeny.ai/job/research-engineer-search-and-services-mistral-paris-ye59bh3td0ja) — Paris, France - [Head of Solutions Operations](https://feeny.ai/job/head-of-solutions-operations-mistral-paris-xz8jz5pem2pq) — Paris, France - [Research Engineer, Orchestral](https://feeny.ai/job/research-engineer-orchestral-mistral-paris-8s9hk6k9gn0a) — Paris, France - [Account Executive, Enterprise - Montreal](https://feeny.ai/job/account-executive-enterprise-montreal-mistral-montreal-65qsjmnd6t8t) — Montréal, Canada - [Account Executive, Enterprise - Toronto](https://feeny.ai/job/account-executive-enterprise-toronto-mistral-toronto-wczsyzg1aqy8) — Toronto, Canada - [IP & Licensing - Intern](https://feeny.ai/job/ip-licensing-intern-mistral-paris-naz5cg7zq4fa) — Paris, France - [Finance Data Annotation Quality Analyst](https://feeny.ai/job/finance-data-annotation-quality-analyst-mistral-paris-xxfhpz44fyww) — Paris, France - [Internal Event Manager - Paris](https://feeny.ai/job/internal-event-manager-paris-mistral-paris-29j9wtm68ywx) — Paris, France - [Research Engineer, GPU Performance](https://feeny.ai/job/research-engineer-gpu-performance-mistral-paris-z76kvvmxbtz8) — Paris, France