Description

About Mistral AI

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 are a company with a diverse workforce and teams distributed between France, USA, UK, Germany and Singapore. We are looking for passionate and skilled software engineers to join our team.

Role Summary

We are seeking passionate and skilled software engineers to join our team. As a Backend Engineer, you’ll contribute to the development of the core systems powering our three main products, AI Studio, Le Chat & Mistral Code, shaping how users and developers interact with our AI platform at scale.

Responsibilities

Depending on your skills and field of expertise, you will be involved in key components of our technology, including:

Backend Development - Design, develop and maintain scalable, robust backend features and APIs using modern frameworks.
Ensure high performance and reliability across our distributed systems.
Contribute to systems powering authentication, billing, AI tooling, observability, connectors, and developer experience.

System Architecture

Design and implement efficient, secure and scalable architectures that support our fast-growing products.
Collaborate with infrastructure teams on deployment, monitoring, and performance optimization.

Code Quality

Write clean, maintainable and well-documented code.
Participate in code reviews and contribute to technical standards and best practices.

Cross-functional Collaboration

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.

Problem-Solving & Innovation

Tackle complex engineering challenges, from distributed systems to AI product integration.
Stay up-to-date with new technologies (e.g., AI/LLM integration, observability, or backend frameworks) and bring them into production when relevant.

About You

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.

Experience Level

This role is suitable for entry-level, mid-level, senior-level, and staff-level engineers.

Employment Type

This is a full-time position.

Workplace Type

This role is based in one of our European offices (Paris, France and London, UK).