Software Engineer, Performance - Paris

Role Summary

We are seeking a talented and experienced software engineer to join our Engineering team. You will be responsible for identifying and solving complex system problems with the aim to optimize the overall performance in different layers (API, micro-services, databases, infrastructure), monitoring and profiling service usage, developing systems that optimize the latency, throughput and robustness of large distributed systems. The role is based in Paris, France and reports to the Head of Engineering.

🧢 Reporting line : Head of Engineering

📍 Location : Paris, France

Detailed role description

Key Responsibilities 

Executing, deploying and productizing LLM at our scale often involves discovering and solving new and complex systems problems. As a core member of our engineering team, your will be responsible for identifying and solving these problems with the aim to optimize the overall performance of our systems.

Your scope will include (but will not be limited to):

• Identifying performance issues and areas of improvement in different layers (API, micro-services, databases, infrastructure, build systems...)

• Monitoring and profiling how each services is used

• Developing systems that optimize the latency, throughput and robustness of our large-scale distributed systems

• Spreading a performance culture and best practices in the engineering team

Representative projects

• Optimizing API Latency (caching, CDNs, db queries, load balancing, threading..)

• Implement caching strategies to store frequently requested data / precomputing data

• Setting up performance monitoring tools to track response times

• Implement low-latency high-throughput sampling for large language models

• Write custom load-balancing algorithms to optimize serving efficiency

Qualifications & Profile

• 8+ years of relevant professional work experience

• Master’s degree in Computer Science, Information Technology or a related field

• Experience building and scaling complex distributed systems

• Excellent proficiency in backend software development (Python is a strong plus)

• Solid proficiency in infrastructure management (Docker, CI/CD, K8s, Helm, Terraform...)

• Good knowledge of cloud ecosystems

• Autonomous and self-starter

• Ability to communicate with influence

Our Culture

We're driven to build a strong company culture and are looking for individuals with solid alignment with the following:

• Reason with rigor

• Are you audacious enough?

• Make our customers succeed

• Ship early and accelerate

• Leave your ego aside 

What We Offer 

• Ability to shape the exciting journey of AI and be part of the very early days of one of the hottest startup in AI

• A fun, dynamic multicultural team and collaborative work environment

• Opportunities for professional growth and development 

💰 Package: competitive salary and equity structure 

🧑‍⚕️ Health: full health insurance for you and your family

🥕 Food: daily lunch vouchers

🥎 Sport: monthly contribution to a Gympass subscription 

🚴 Transportation: monthly contribution to a mobility pass

🍼 Parental: generous parental leave policy

🌎 Visa sponsorship if required

About Mistral 

At Mistral AI, our mission is to make AI ubiquitous and open. We are passionate about bridging the gap between technology and businesses of all sizes. We are a leading innovator in the field of open-source large language models.

Our advanced LLM solutions can be seamlessly deployed on any cloud, allowing for optimized integration and robust performance. Developers are using our API via la Plateforme to build incredible AI-first applications powered by our models that can understand and generate natural language text and code. We are multilingual at our core. We released le Chat, as a demonstrator of our models.

We are a tight-knit, nimble team dedicated to bringing our cutting-edge AI technology to the world. Our teams are distributed between France, UK and USA. We are creative, low-ego, team-spirited, and have been passionate about AI for years. We hire people who thrive in competitive environments, because they find them more fun to work in. We hire passionate women and men from all over the world.