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Mistral AI
Software Engineer, Knowledge and Search

Software Engineer, Knowledge and Search

On site

Paris, France

Full Time

04-05-2025

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Job Specifications

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. Our offerings include le Chat, the AI assistant for life and work.

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.

Role Summary

We are seeking a talented and experienced software engineer to join our Knowledge and Search engineering team. You will be responsible for designing, implementing and scaling our search capabilities supporting the needs of our users and internal systems.

Reporting line : Head of Engineering

Location : Paris (France) or London (UK)

What you will do

Key Responsibilities

The Knowledge & Search team is the backbone that connects our customers to the information they need. We are looking for an experienced software engineer to lead our indexing and searching capabilities. In this role, you will work closely with our data and infrastructure teams to build, maintain and scale our search platform while ensuring a high-level of performance and reliability.

Your responsibilities include (but may not be limited to):

Building, maintaining and enhancing a fast, reliable and scalable indexing and searching capabilities (web and knowledge)
Working with search-oriented databases to optimise and fine-tune a full search pipeline from document ingestion to retrieval
Owning our information retrieval systems serving both our internal needs as well as our enterprise customers
Ensuring that our search capabilities meet the increasing demands of our customers
Collaborate with internal and external stakeholders to push the boundaries of search reliability, performance, and scale across a range and cloud-native and on-premise services

About You

10+ years of relevant professional work experience
Master’s degree in Computer Science, Information Technology or a related field
Experience building and scaling distributed search engine systems
Excellent proficiency in backend software development (Python, Go, C++, Rust...)
Solid proficiency in infrastructure management (Docker, K8s, Terraform...)
Good knowledge of cloud-native ecosystems
Autonomous and self-starter
Ability to communicate with influence

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 the Company

Frontier AI. In your hands. We believe in a future where AI is abundant and accessible. We aspire to empower the world to build with—and benefit from—the most significant technology of our time. Join us: https://jobs.lever.co/mistral/ Know more