Software Engineer, Backend (Paris)
Paris • Full-time
Posted 1y ago
Job Location
Paris
Tech Stack
Remote Work Policy
On-site
Employment Type
Full-time
Categories
Applied AI Engineer
About the job
Mistral AI is seeking passionate and skilled software engineers to join our team as Backend Engineers. You will contribute to the development of core systems powering our main products, AI Studio, Le Chat & Mistral Code, shaping how users and developers interact with our AI platform at scale. You'll work on building reliable, high-performance backend systems and APIs that serve millions of users and developers, directly impacting the developer and user experience. We welcome engineers at all levels, from fresh graduates to senior and staff engineers, who are eager to learn, collaborate, and ship impactful products.
Responsibilities
- Design, develop, and maintain scalable, robust backend features and APIs using modern frameworks.
- Ensure high performance and reliability across distributed systems.
- Contribute to systems powering authentication, billing, AI tooling, observability, connectors, and developer experience.
- Design and implement efficient, secure, and scalable architectures.
- Collaborate with infrastructure teams on deployment, monitoring, and performance optimization.
- Write clean, maintainable, and well-documented code.
- Participate in code reviews and contribute to technical standards and best practices.
- Work closely with product managers, front-end engineers, designers, and data/AI engineers to deliver end-to-end features.
- Partner with teams across AI Studio, Le Chat & Mistral Code to ensure consistent platform-wide experience.
- Tackle complex engineering challenges, from distributed systems to AI product integration.
- Stay up-to-date with new technologies and bring them into production when relevant.
Requirements
- Degree in Computer Science, Software Engineering, or equivalent practical experience.
- Proficiency in Python or another backend language (JavaScript/TypeScript, C#, Golang).
- Strong understanding of backend fundamentals: APIs, databases, caching, messaging systems, and distributed architectures.
- Strong problem-solving abilities and attention to detail.
- Ownership mindset capable of shipping end-to-end features with minimal oversight.
- Excellent communication skills and collaborative attitude.
- Team-oriented, low-ego mindset and curiosity for learning.