Applied AI Engineer, Fullstack Software Engineer - EMEA at Mistral (Paris, France)
Mistral· Paris, France·
Role details
Competitive Cash Salary · Equity · Daily Lunch Vouchers · Monthly Contribution To A Gympass Subscription · Monthly Contribution To A Mobility Pass · Full Health Insurance For You And Your Family · Generous Parental Leave Policy · Visa Sponsorship
Mistral at a glance
A French AI lab building open and frontier-grade large language models, with the full developer and enterprise stack around them.
Mistral is a French AI lab that builds open and frontier-grade large language models and sells the full stack around them: developer tooling, an agent studio, consumer and enterprise apps like Le Chat and Vibe, custom model training, and its own GPU compute. Its edge is deployment control, with open weights, EU hosting, and self-hosting for regulated and sovereign buyers.
$3B+ raised · latest: Series C · 1.7B euros · Sept 2025 · backed by ASML, Nvidia, Andreessen Horowitz, DST Global
Summary
Mistral AI is seeking an Applied AI Engineer to facilitate product adoption and collaborate with customers on complex technical challenges. The role involves integrating AI models into client software, developing full-stack applications, and ensuring successful deployment from pre-sale to post-implementation.
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
Mistral AI is seeking an Applied AI Engineer to facilitate the adoption of its products among customers and collaborate with them to address complex technical challenges.
The Applied AI Engineer - Software Engineer will be an integral part of our Applied AI Engineering team, which is dedicated to driving the successful deployment of Mistral AI products. They will work hand-in-hand with customers from the pre-sale stage to post-implementation, ensuring our solutions meet and exceed client expectations.
What You Will Do
- Collaborate closely with researchers, AI engineers, and product engineers on complex customer projects, integrating cutting-edge AI models into clients’ software products.
- Design, develop, and maintain scalable and robust full-stack applications, ensuring seamless integration between front-end and back-end systems.
- Develop complex use cases with our customers, providing guidance and ensuring the best production integration with back-end and front-end interfaces.
- Collaborate with our product and science team to continuously improve our product and model capabilities based on customers’ feedback.
WHAT WE'RE LOOKING FOR
- You are fluent in English
- You hold a degree in Computer Science, Software Engineering, or a related field.
- You have 2+ years as a technical individual contributor on cutting-edge technologies
- You have strong technical coding skills in Python and TypeScript
- You have experience with front-end frameworks such as React, NextJS, or VueJS.
- You have experience with back-end technologies such as NodeJS.
- You have a solid understanding of software development principles, including design patterns, data structures, and algorithms.
- You hold strong communication skills with an ability to explain complex technical concepts in simple terms with technical and non-technical audiences
Ideally you have:
- Experience with LLM/GenAI models
- Contributed to open-source projects or libraries
- Experience as a Customer Engineer, Forward Deployed Engineer, Sales Engineer, Solutions Architect or Technical Product Manager
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 app.notion.com
PRIVACY POLICY
Your privacy matters to us. You can learn more about how we handle your personal data in our Applicant Privacy Policy legal.mistral.ai
Why work at Mistral
- 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.