---
title: 'Applied AI, Fullstack Software Engineer, Critical and Sovereign Institutions, Paris at Mistral'
canonical: 'https://feeny.ai/job/applied-ai-fullstack-software-engineer-critical-and-sovereign-institutions-rzxsfzhtfnp1'
type: 'job'
last_seen: '2026-09-13'
---

# Applied AI, Fullstack Software Engineer, Critical and Sovereign Institutions, Paris at Mistral

- **Company:** [Mistral](https://feeny.ai/companies/mistral)
- **Location:** Paris, France
- **Employment:** full-time
- **Posted:** 2026-07-21
- **Last confirmed live:** 2026-09-13
- **Apply:** https://jobs.ashbyhq.com/mistral.ai/0b342cda-4a57-4604-9d5b-48373e8e85ea/application

**Skills:** Python, TypeScript, React, NextJS, VueJS, NodeJS, Design patterns, Data structures, Algorithms, LLM/GenAI models, Open-source project contribution, On-prem deployments, Private cloud, Data residency, Access control, Auditability, Compliance constraints

> Mistral AI seeks an Applied AI Fullstack Software Engineer to design, build, and deploy secure, full-stack AI applications for critical infrastructure and sovereign institutions. The role involves close collaboration with customers and internal teams to integrate cutting-edge AI models into complex, regulated enviro...

## 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.

## About The Job

Mistral AI is seeking an Applied AI Engineer, Fullstack Software Engineer to facilitate the adoption of its products among customers operating in critical, sovereign, and highly regulated environments. The Applied AI Engineer — Fullstack Software Engineer will be an integral part of our Applied AI Engineering team, helping drive the successful deployment of Mistral AI products for critical infrastructure, sovereign institutions, and strategic public or private-sector organizations. You will work hand-in-hand with customers from the pre-sale stage to post-implementation, ensuring our solutions meet and exceed client expectations while respecting the highest standards of security, reliability, compliance, and operational excellence. This is a hands-on, customer-facing engineering role where you will design, build, and deploy full-stack AI applications tailored to complex and sensitive environments.

## 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 customers operating in critical and sovereign environments, providing guidance and ensuring the best production integration with back-end and front-end interfaces.
- Build GenAI applications, interfaces, APIs, dashboards, and workflow tools tailored to the needs of critical infrastructure, sovereign institutions, and highly regulated organizations.
- Work directly with customers to understand their workflows, technical constraints, security requirements, and strategic objectives.
- Ensure solutions are designed with strong attention to security, reliability, performance, maintainability, and compliance.
- Collaborate with our product and science teams to continuously improve our product and model capabilities based on customer feedback, with a particular focus on security-sensitive and mission-critical use cases.

## About you

- 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.
- You are comfortable working in customer-facing environments and translating complex user needs into production-ready technical solutions.
- You care about building reliable, secure, and useful products for organizations operating in sensitive or high-impact environments.

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.
- Experience working with critical infrastructure, government, defense, financial services, healthcare, energy, telecommunications, or other regulated sectors.
- Familiarity with security-sensitive environments, including on-prem deployments, private cloud, data residency, access control, auditability, and compliance constraints.
- Experience building AI-powered products or internal tools for enterprise customers.

Security & Compliance criteria

- Eligibility: must hold citizenship in the target territory (France for now).
- Clearable: must meet all local requirements for high-level security clearance (e.g., no criminal record, fulfillment of national service obligations).

## 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