Software Engineer, Mistral AI
Golang, Mistral Cloud
Generative AI model developers
Open for applications
Generative AI model developers
501-1000 employees
Open for applications
501-1000 employees
Company mission
To make frontier AI ubiquitous, and to provide tailor-made AI to all the builders.
Role
Who you are
- Proficiency in Golang
- Strong understanding of backend fundamentals: APIs, databases, caching, messaging systems and distributed architectures
- Experience with cloud-based (AWS, GCP, Azure) and bare-metal infrastructure
- Infrastructure management (Docker, CI/CD, Kubernetes, Helm, Terraform...)
- Observability and monitoring tools (Prometheus, Grafana, Datadog…)
- Strong problem-solving abilities and attention to detail
- Ownership mindset capable of shipping end-to-end features with minimal oversight
What the job involves
- We’re looking for passionate and talented software engineers to join our team. As a Backend Engineer, you’ll play a key role in developing the core systems that drive our Cloud solutions. Your work will involve building robust, high-performance backend systems and APIs to support our rapidly expanding enterprise user base
- 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
- Design and implement efficient, secure and scalable architectures that support our fast-growing products
- 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 (e.g., AI/LLM integration, observability, or backend frameworks) and bring them into production when relevant
Application process
- Introduction Call - 45 min
- Technical Interview / Live Coding - 45 min
- Technical Interview / System Design - 45 min
- Culture-fit Discussion - 30 min
- References
Our take
Founded by Facebook AI researchers, Mistral AI focuses on developing open-source generative AI models to "make AI useful." It emerged in early 2023, quickly achieving a $260 million valuation.
Mistral features up to 176 billion parameters, and its open-source nature has sparked concerns about potential misuse. However, Mistral remains a formidable competitor in the AI landscape, challenging models from Google and Meta.
In 2025, Mistral secured a massive €1.7 billion funding round, raising its valuation to €11.7 billion. This Series B funding, led by European chip firm ASML, underscores significant interest in alternatives to ChatGPT and a push away from Silicon Valley dependence by European AI competitors.
Freddie
Company Specialist at Welcome to the Jungle
Company
Funding (last 2 of 5 rounds)
Sep 2025
$1.9bn
SERIES C
Jun 2024
$525.1m
SERIES B
Total funding: $3.0bn
Company benefits
- Competitive bonus structure
- Equity
- Opportunities for professional growth and development
Company HQ
Villette, Paris, France
Leadership
Timothee Lacroix
(Co-Founder & CTO)Previously PhD and Software Engineer Intern at Facebook and Visiting Undergraduate at CAlab UCSD
Guillaume Lample
(Co-Founder & Chief Scientist)Research Student and Scientist at Facebook AI and Research Intern at Jane Street Capital
Arthur Mensch
(Co-Founder & CEO)Previously Staff Research Scientist at DeepMind, Post-doc researcher at École normale supérieure, Visiting Researcher at NYU Courant Institute of Mathematical Sciences and PhD Student at Inria
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