Research Engineer, Sandboxes
Mistral AI · Paris · Zurich · Warsaw · London
Frontier labonsite
At a glance
Highlights
- Build platform running isolated environments for untrusted code at scale.
- Optimize performance to reach millions of concurrent sandboxes.
- Power synthetic data generation and RL training for researchers.
What they offer
- healthcare coverage
- parental leave
- retirement plans
- relocation support
- wellness programs
- meal and transportation allowances
Ideal candidate
A low-ego, self-starting systems builder who thrives in ambiguity and owns large-scale infrastructure end to end. Motivated by reliable, high-performance platforms and collaborating closely with researchers.
Requirements
- Strong background in software engineering and distributed systems
- Experience building and operating large-scale infrastructure
- Deep expertise in Kubernetes, cross-cluster networking, observability or low-level virtualization
- Fluency in Python or Rust for performant, secure systems code
- Strong software design instincts with testing, CI/CD and observability
- Self-starter, low-ego collaborator comfortable with ambiguity and high ownership
Lab profile
About Mistral AI
Provides full-stack AI solutions from frontier models to tools, applications, and compute.
What they build
- Frontier AI models
- Developer tools
- AI applications
Known for
- Full-stack AI development
- Enterprise co-creation and deployment
- Customizable systems that run on customer terms
- Focus on finance, manufacturing, defense, healthcare and public sector
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