Software Engineer, Backend (London) at mistral

mistral

London·1w ago

Mid LevelFull-timeJavaScriptTypeScriptPythonJavaGolangC#ReactKubernetesDockerTerraform

Salary Range

$102,000 - $138,000 /year

Estimated

This salary is estimated based on similar roles. The actual salary may vary.

About the Role

We are seeking passionate and skilled software engineers to join our team at Mistral AI. As a Backend Engineer, you’ll 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.

Key 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
→Work closely with product managers, front-end engineers, designers and data/AI engineers
→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