At Mistral AI, we are a tight-knit, nimble team dedicated to bringing our cutting-edge AI technology to the world. Our mission is to make AI ubiquitous and open.

We are creative, low-ego, team-spirited, and have been passionate about AI for years. We hire people that foster in competitive environments, because they find them more fun to work in. We hire passionate women and men from all over the world.

Our teams are distributed between France, UK and USA.

We are seeking an experienced QA Engineer to join our Engineering team.

Key responsibilities

Model Behavior Testing: Develop and execute tests to validate the behavior of machine learning models, ensuring they produce consistent, accurate, and contextually appropriate outputs.
API Testing Automation: Build automated testing suites to ensure APIs function correctly and integrate seamlessly with the inference stack, preventing critical errors during deployment.
Edge Case Analysis: Collaborate with PMs and other stakeholders to identify and rigorously test edge cases, improving the robustness of both models and platform features.
Release Readiness Validation: Implement pre-release quality gates to validate models, APIs, and platform updates, providing a green light for production releases.
Systematic QA Campaigns: Design and lead comprehensive quality assurance campaigns, including functional, stress, and performance testing, to proactively identify potential issues.
Quality Platform Development: Contribute to building tools and frameworks that enable more efficient and scalable quality testing processes across the organization.

You may be a good fit if

You hold a degree in a relevant scientific field (e.g., Computer Science, Data Science, Engineering, etc.).
You have a proven ability to create and execute comprehensive test strategies, covering functional, regression, and exploratory testing.
You are proficient in QA tools like Postman, Selenium, or similar platforms for API and functional testing.
You’re skilled in identifying, documenting, and collaborating with developers to resolve issues efficiently.
You are autonomous and a self-starter.
You are a proactive problem-solver with a continuous improvement mindset.

Ideally you have

Experience testing Machine Learning models.
Understanding of the Machine Learning lifecycle.
Proficiency in Python or similar languages.
Hands-on API testing experience.
Strong debugging skills.

Benefits

🤑 Competitive cash salary and equity
🥕 Food : Daily lunch vouchers
🥎 Sport : Monthly contribution to a Gympass subscription
🚴 Transportation : Monthly contribution to a mobility pass
🧑‍⚕️ Health : Full health insurance for you and your family
🍼 Parental : Generous parental leave policy
🌎 Visa sponsorship