Engineering Team Lead, Backend

About this role

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 As an Engineering Team Lead, you will build and develop the core platform that supports our AI products. This role combines technical execution with leadership, ensuring our systems work effectively for developers and users.

Your work will directly improve the developer experience, making it more efficient and intuitive. The team builds reliable infrastructure that supports our products and enables seamless integration for both internal and external users. You will split your time between hands-on coding and strategic leadership, including project planning, stakeholder collaboration, and team growth. This balance allows you to drive technical solutions while guiding the team toward long-term success.

What You Will Do Remove obstacles and create an environment where your team can focus on building solutions. Translate product vision into technical reality, collaborating closely with the Product team. Ensure applications are performant, stable, and responsive. Uphold high code quality standards through reviews, testing, and automation. Own the full software development process, from design to deployment. Plan projects, including roadmaps, deadlines, and task allocation.

Collaborate with stakeholders across Engineering, Product, and Design. Support team growth through hiring, onboarding, and mentorship. What We're Looking For Proficiency in Python and at least one web framework (FastAPI, Django, Flask). Proficiency in C#, Golang, TypeScript and at least one web framework. Experience with large-scale distributed systems. Experience building and leading engineering teams. Experience working with cross-functional teams, such as Product, Design, and Business.