Backend Engineer — Scalable AI Platform

Mistral; Paris; On-site; EUR 70,000 - 110,000; Full time

Benefits offered by this job

Healthcare coverage

Parental leave

Retirement plans

Relocation support

Wellness programs

Meal and transportation allowances

Other location-specific perks

Job summary

Mistral is looking for a Backend Engineer to build the core systems powering our AI platform, including Studio, Vibe, and Vibe Code. You will design scalable APIs, ensure reliability, and implement secure architectures for millions of users and developers.

Join a distributed team across Europe and beyond to deliver end-to-end features, collaborate with infrastructure teams on deployment and monitoring, and write clean, well-documented code that drives high performance and growth.

Qualifications

• Experience designing scalable backend systems and APIs.
• Experience with distributed systems and performance optimization.
• Ability to write clean, maintainable, and well-documented code.
• Experience with system architecture and secure, scalable design.

Responsibilities

• Design, develop, and maintain scalable backend features and APIs that power our AI platform.
• Ensure high performance and reliability across distributed systems serving millions of users.
• Build and improve systems for authentication, billing, AI tooling, and developer experience.
• Design and implement secure, scalable architectures to support our growing products.
• Collaborate with infrastructure teams on deployment, monitoring, and performance optimization.
• Write clean, maintainable, and well-documented code.
• Partner with cross-functional teams to deliver end-to-end features.
• Solve complex engineering challenges and integrate new technologies into production.

Skills

Backend design

Scalable APIs

Distributed systems

Secure design

Documentation

Cross-functional collaboration

Modern backend frameworks

Iterative development

Tools

APIs

Auth systems

Billing systems

Backend tooling

Job description

Mistral is looking for a Backend Engineer to build the core systems powering our AI platform, including Studio, Vibe, and Vibe Code. You will design scalable APIs, ensure reliability, and implement secure architectures for millions of users and developers.

Join a distributed team across Europe and beyond to deliver end-to-end features, collaborate with infrastructure teams on deployment and monitoring, and write clean, well-documented code that drives high performance and growth.