About Mistral

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 democratize AI through high-performance, optimized, open-source and cutting-edge models, products and solutions. Our comprehensive AI platform is designed to meet enterprise needs, whether on-premises or in cloud environments.

We are a dynamic, collaborative team passionate about AI and its potential to transform society.

Our diverse workforce thrives in competitive environments and is committed to driving innovation. Our teams are distributed between France, USA, UK, Germany and Singapore. We are creative, low-ego and team-spirited.

Join us to be part of a pioneering company shaping the future of AI. Together, we can make a meaningful impact. See more about our culture on https://mistral.ai/careers.

About the Role

As Mistral’s Applied AI Engineer – Prototyping, you’ll design and deploy first-of-its-kind AI solutions that inspire customers and push technical boundaries.

You will design, build, and deploy full-stack AI-powered prototypes and solutions working hands-in-hand with our global customers.

In this role, you will manage delivery of solutions while interacting with multiple stakeholders (including CEO/CTO, data scientists, and software engineers) and function as a key technical leader during the entire prototype engagement.

What you will do

- Build full-stack AI prototypes for global customers: Design, develop, and deploy end-to-end AI-powered solutions, acting as technical lead to manage delivery from concept to production.

- Drive technical innovation and adoption: Collaborate with research, product, and engineering teams to build internal tools and contribute to open-source projects that accelerate Mistral AI adoption.

- Lead customer engagement and scoping: Conduct scoping calls with clients to understand their use cases, challenges, and requirements, then translate these into actionable technical solutions with significant business impact.

- Solve complex, real-world AI challenges: Deep-dive into diverse customer problems across industries, working on state-of-the-art GenAI applications from consumer products to industrial use cases, while providing ongoing technical guidance and support.

About You

Core

- You are fluent in English

- You thrive in ambiguous, fast-paced environments and have a problem-solving mindset to deliver robust, scalable solutions.

- A builder at heart who balances velocity with precision, delivering technical work with a methodical approach.

- You have strong communication skills and can explain complex technical concepts to both technical and non-technical audiences.

- You are client-focused, with a passion for innovation, exploration of new technologies, and improving existing systems.

- You enjoy collaborating with diverse teams and can translate client needs into actionable technical plans.

Technical Competencies

- You have 2+ years as a technical individual contributor (ML engineer, software engineer, full-stack) on AI-based products.

- You have hands-on experience with LLMs, RAG, and agent-based systems, including their lifecycle and deployment.

- You have experience working with Python, write clean, maintainable code and understand scalable architectures (e.g., FastAPI, Pydantic).

- You have basic frontend knowledge (e.g., React, Vue) to build modern, user-friendly interfaces efficiently.

Ideally you have:

- Won hackathons or built award-winning AI prototypes, demonstrating creativity and execution under tight deadlines.

- Experience with Docker Kubernetes, cloud platforms (AWS/GCP), and Terraform.

- Contributed to open-source projects, in particular in the space of LLMs.

- Full-stack & AI expertise: Built end-to-end AI applications (e.g., FastAPI, Next.js).

Why join us?

You’ll have the opportunity to shape the future of AI adoption in enterprises, work with a world-class team, and contribute to open-source projects that impact millions. If you’re excited about leading technical innovation and solving real-world challenges with AI, we’d love to hear from you!