Software Engineer, Technical Lead 🇫🇷

Mistral AI

Mistral AI

Software Engineering, IT
Paris, France
Posted on May 15, 2025
About Mistral
At Mistral AI, we believe in the power of AI to simplify tasks, save time and enhance learning and creativity. Our technology is designed to integrate seamlessly into daily working life.
We democratize AI through high-performance, optimized, open-source and cutting-edge models, products and solutions. Our comprehensive AI platform is designed to meet enterprise needs, whether on-premises or in cloud environments. Our offerings include le Chat, the AI assistant for life and work.
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 France, USA, UK, Germany and Singapore. We are creative, low-ego and team-spirited.
Join us to be part of a pioneering company shaping the future of AI. Together, we can make a meaningful impact. See more about our culture on https://mistral.ai/careers.
Role summary
We are seeking passionate and skilled software engineers to lead the development of our flagship products, including our current portfolio (La Plateforme, Le Chat) as well as future solutions. Leveraging your deep understanding of AI/LLM capabilities and state-of-the-art product development, you'll be responsible for driving and supervising one of our technical squads (AI Tooling, User Admin & Billing, Partnerships, Connectors, Observability, Le Chat Apps...).
What you will do
Depending on your skills and field of expertise, you will be involved in key components of our technology, including:
Empower Your Team: Act as a facilitator and orchestrator, removing obstacles and fostering an environment where your team can focus on creating impactful solutions.
Bridge Product and Technology: Serve as the key liaison with our Product team, translating vision into trusted solutions and sleek user experiences
• Performance Excellence: Ensure our applications are high-performing, stable, and responsive, continuously enhancing user satisfaction.
• Code Quality and Automation: Uphold the highest standards of code quality through rigorous reviews, unit testing, and automation.
• Thought Leadership: Support your team by delivering great experiences while hiring, onboarding, and all-around elevating your people.
• End-to-end Ownership: Participate in the full software development lifecycle, from conceptualization to deployment, ensuring our the team's projects are delivered efficiently and on time.
A Technical Lead at Mistral AI spends a good chunk of the time on the field (architecture design, coding, peer reviews...) and another part on strategic topics including:
• Project planning (roadmap, deadlines, task allocation...)
• Collaborating with stakeholders (other Engineering leads, Product Managers/Designers…)
• Supporting career growth (hiring, onboarding…)
About you
• 7+ years of relevant professional work experience.
• Master’s degree in Computer Science, Information Technology or a related field.
• Proficient in Python and/or Typescript and at least one related web framework (FastAPI, Django, React...).
• Experience with building and leading high-performing teams.
• Experience with working with cross functional teams like product, design, business, etc.
• Experience with project management and planning.
• Ownership and capacity to ship products end-to-end.
• Strong problem-solving abilities and attention to detail.
• Excellent communication skills.
• Low ego and team spirit mindset.
• Autonomous and self-starter.
Now, it would be ideal if you had experience with:
• Experience with Platform & DX products (API, SDK, Tooling, Observability, Billing, etc.)
• AI/ML/MLOps engineering
Hiring Process
• Recruiter Screening (45min)
• Hiring Manager Interview (30min)
• Technical Interviews
- Live-Coding interview (45min)
- System Design Interview (45min)
- Deep Dive Interview (60min)
• Culture-fit discussion (30min)
Our Culture
We're driven to build a strong company culture and are looking for individuals with solid alignment with the following:
• Reason with rigor
• Are you audacious enough?
• Make our customers succeed
• Ship early and accelerate
• Leave your ego aside
What we offer
💰 Competitive cash salary and equity
🥕 Food : Daily lunch vouchers
🥎 Sport : Monthly contribution to a Gympass subscription
🚴 Transportation : Monthly contribution to a mobility pass
🧑‍⚕️ Health : Full health insurance for you and your family
🍼 Parental : Generous parental leave policy
🌎 Visa sponsorship