Mistral

Software Engineer, Enterprise Agents at Mistral (Paris, France)

Mistral· Paris, France·

Role details

Employment
Full-Time

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

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.

Role summary

We are seeking a Software Engineer to help design and build the core systems that power Mistral’s growth. This is a highly impactful role at the intersection of engineering, finance, data, and operations. As part of the Enterprise Agents area, you will work on internal tools, integrations, connectors, workflows, and dashboards that help information flow more efficiently across Mistral. You will partner closely with internal stakeholders to understand business needs, turn complex workflows into scalable software, and ship pragmatic solutions that improve how teams operate.

What you will do

  • Build and maintain integrations, connectors, and workflows across internal systems such as CRM, billing, HRIS, and planning tools.
  • Contribute to the design and implementation of reliable, maintainable, and scalable internal software.
  • Ship end-to-end features, from backend services and APIs to frontend interfaces and dashboards.
  • Work closely with stakeholders across finance, operations, engineering, and other teams to understand needs and translate them into software solutions.
  • Improve internal processes by building self-service tools and dashboards that reduce manual work and support better decision-making.
  • Contribute to engineering standards, documentation, and best practices within the team.
  • Collaborate with other engineers and cross-functional partners in a fast-moving environment.

About you

  • Full-stack engineer with strong experience in modern programming languages and frameworks such as Python, TypeScript, React, or similar.
  • Comfortable building web applications end-to-end, from APIs and data models to user-facing interfaces.
  • Experience shipping internal systems, integrations, connectors, dashboards, or workflow automation tools.
  • Strong technical judgment around trade-offs, maintainability, reliability, and delivery speed.
  • Able to work with ambiguity, break down complex problems, and turn them into clear, shippable solutions.
  • Strong communication skills and comfortable working with internal stakeholders.
  • Low-ego, team-spirited, autonomous, and motivated by building tools that help others work better.

Now, it would be ideal if you had:

  • Experience with LLMs or agentic workflows.
  • Exposure to market-leading SaaS business systems such as Salesforce, Atlassian, Oracle, or similar.
  • Familiarity with infrastructure and operations such as Docker, CI/CD, Kubernetes, or cloud environments.
  • Experience working on internal tooling, developer experience, business systems, or operational platforms.
  • Comfortable collaborating with non-technical stakeholders and turning business workflows into software.

Hiring Process

  • Introduction call - 30 min
  • Technical Rounds
  • Live Coding Interview (TypeScript or Python) - 45 min
  • System Design Interview - 45 min
  • Tech Culture interview - 30 min
  • Culture-fit discussion - 30 min
  • References

Location & Remote

The position is based in our Paris HQ offices and we encourage going to the office as much as we can (at least 3 days per week) to create bonds and smooth communication. Our remote policy aims to provide flexibility, improve work-life balance and increase productivity. Each manager can decide the amount of days worked remotely based on autonomy and a specific context (e.g. more flexibility can occur during summer). In any case, employees are expected to maintain regular communication with their teams and be available during core working hours.

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.

Privacy Policy Your privacy matters to us. You can learn more about how we handle your personal data in our Applicant Privacy Policy.

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.

Application questions