Software Engineer, Mistral AI

Full-stack / Front-end

Salary not provided

+ Equity

React

TypeScript

Framer

Python

Node.js

Figma

Vue.js

Next.js

Senior and Expert level

Paris

More information about location

3+ days a week in office

Generative AI model developers

Open for applications

Generative AI model developers

101-200 employees

B2BArtificial IntelligenceDeep TechSaaS

Open for applications

Salary not provided

+ Equity

React

TypeScript

Framer

Python

Node.js

Figma

Vue.js

Next.js

Senior and Expert level

Paris

More information about location

3+ days a week in office

101-200 employees

B2BArtificial IntelligenceDeep TechSaaS

Company mission

To make frontier AI ubiquitous, and to provide tailor-made AI to all the builders.

Job

Company

Role

Who you are

Proficient in TypeScript and NodeJS with a preference for experience in B2C contexts
Experience in a Front-end framework like React, NextJS, Remix, VueJS
Knowledge of web libraries like Tanstack React Query, tRPC, Framer Motion, …
Comfortable shipping products end-to-end
Strong problem-solving abilities and attention to detail
Excellent communication
Low Ego and team spirit mindset
Autonomous and self-starter
AI Products, particularly with LLMs
Python
Distributed Systems
Monitoring/Alerting
UX development (Figma)

What the job involves

We are seeking a passionate and skilled Senior Full Stack Engineer to join our growing team
In this role, you will have the unique opportunity to work on our complete range of products, contributing to its development and enhancement
Your work will directly impact the user experience, making it more engaging, efficient, and intuitive
Full Stack Development: Design, develop, and maintain scalable and robust features, ensuring seamless integration between front-end and back-end systems using a modern stack
User-Centric Design: Prioritize user experience and ensure that our products meet the needs and expectations of our user base
Code Quality: Write clean, maintainable, and well-documented code, and participate in code reviews to uphold our high standards of quality
Collaboration: Work closely with cross-functional teams, including product managers, designers, and other engineers, to deliver high-quality software solutions
Problem-Solving: Tackle complex technical challenges and develop elegant, efficient solutions that improve performance and reliability
Innovation: Stay up-to-date with the latest technologies and trends in AI and software development, and apply them to enhance our products

Application process

Introduction call - 45 min
Hiring Manager interview - 30 min
Technical Rounds - Live-coding Interview (TypeScript) - 45 min - System Design Interview - 45 min - Optional: Deep Dive Interview - 60 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.

With the upcoming release of Mixtral in 2024, featuring up to 176 billion parameters, Mistral is under pressure to deliver. Mixtral's open-source nature has sparked concerns about potential misuse, yet Mistral remains a formidable competitor in the AI landscape, challenging models from Google and Meta.

Recently, Mistral secured a massive $640 million funding round, raising its valuation to $6 billion. This Series A funding, led by General Catalyst and including investors like Lightspeed Venture Partners and Andreessen Horowitz, underscores significant interest in alternatives to ChatGPT.

Freddie

Company Specialist at Welcome to the Jungle

Company

Funding (last 2 of 5 rounds)

Sep 2025

$2.0bn

SERIES C

Jun 2024

$542.5m

SERIES B

Total funding: $3.1bn

Company benefits

Competitive bonus structure
Equity
Opportunities for professional growth and development

Company HQ

Villette, Paris, France

Leadership

Timothee Lacroix

(CTO)

Previously PhD and Software Engineer Intern at Facebook and Visiting Undergraduate at CAlab UCSD

Guillaume Lample

(Chief Scientist)

Research Student and Scientist at Facebook AI and Research Intern at Jane Street Capital

Arthur Mensch

(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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