Software Engineer, Technical Lead

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

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:

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•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:

•Projectplanning(roadmap,deadlines,taskallocation...)

• Collaboratingwithstakeholders(otherengineeringleads,productmanagers/designers…)

• Supportingcareergrowth(hiring,onboarding…)

About you

• 5+ 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

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

Location & Remote

This role is primarily based at our HQ in Paris, France. We will prioritize candidates who either reside in Paris or are open to relocating. We strongly believe in the value of in-person collaboration to foster strong relationships and seamless communication within our team. Our remote work policy is designed to offer flexibility, enhance work-life balance, and boost productivity. The number of remote workdays is determined by each manager, taking into account individual autonomy and specific circumstances—such as increased flexibility during the summer months. Regardless of the arrangement, we expect all employees to maintain open lines of communication with their teams and be available during core working hours.

In certain specific situations, we will also consider remote candidates based in one of the countries listed in this job posting (currently France, UK, Germany, Netherlands, Spain and Italy). In that case, we ask all new hires to visit our Paris office:

• for the first month of their onboarding (accommodation and travelling covered)

• then at least 3 days per month

What we offer

Competitive salary and equity

‍⚕️ Health insurance

Transportation allowance

Sport allowance

Meal vouchers

Private pension plan

Parental : Generous parental leave policy

Visa sponsorship