About this role
Mistral AI is hiring an Engineering Team Lead, Sandbox for a full-time position based in Paris with remote work options. This people-leadership role requires splitting time between managing a growing engineering team and working hands-on with complex architecture and code.
Role Overview
The Engineering Team Lead, Sandbox will guide the squad responsible for secure, isolated, and network-controlled environments designed specifically for AI agents and reinforcement-learning workloads. This position involves spending roughly half of the time on people management—including hiring, coaching, and performance reviews—and the other half on architectural decisions and technical problem-solving. The team builds the foundational runtime layer that allows thousands of concurrent environments to be created and destroyed rapidly while maintaining strict security boundaries.
Key Responsibilities
Requirements
Skills and Tools
About the Company
Mistral AI delivers full-stack artificial intelligence solutions ranging from frontier models to developer tools, applications, and compute. The enterprise partners with organizations across high-stakes sectors like finance, manufacturing, defense, healthcare, and the public sector to co-create customized AI systems that run on localized infrastructure. Operating across Europe, North America, Asia, and the Middle East, the organization values a collaborative, low-ego, and team-spirited culture committed to driving technological innovation.
How to Apply
Interested candidates should visit the official company careers page to submit an application for this role.
Skills and tech stack
Questions candidates ask
What is the location of the Engineering Team Lead, Sandbox role?
The position is based in Paris with remote work flexibility, as the company operates with distributed teams across Europe, North America, Asia, and the Middle East.
How is the time split in this leadership position?
Roughly half of the time is spent on architecture decisions and technical problem-solving, and the other half is dedicated to leading the squad and people management.
What kind of experience is required for this role?
Candidates need at least 2 years of real people leadership experience and 8+ years building backend or infrastructure systems.
What programming language is primarily used on the team?
Team members write production systems in Go.
What does the sandbox team actually build?
The team builds secure, isolated, and network-controlled environments featuring snapshotting primitives tailored for AI agents and reinforcement-learning workloads.