Backend developer
88k - 88k USD
Hybrid
Full Time
#Engineering
#Python
#Django
#fastAPI
#Postgres
#Redis
#Backend Development
#Continuous Integration
#Continuous Development
#AI
#Large Language Models
We are a small team of seasoned AI researchers and engineers who work at the edge of science to build powerful open-source models that understand and generate natural language text and code. Developers around the world already use our API through la Plateforme to create AI-first applications, and our recent release of le Chat showcases what these models can do. We hire passionate people from every background who thrive in competitive, fast-moving environments and want to shape the future of AI.
The role
We are hiring a Senior Backend Developer on a full-time basis. The position is hybrid and open in France or the United Kingdom. You will join our AI engineering team and work closely with the team lead to design and deliver the backend systems that power our cloud platform and integrate our models into real-world applications.
Core responsibilities
- Architect and optimize the backend for a cloud-deployed platform that integrates our open-source solutions, enabling users to leverage our models across chatbots, search engines, document processing, and other applications.
- Build robust, scalable backend systems that support the integration of Mistral AI models into diverse use cases while maintaining high performance and reliability.
- Develop developer-centric tools such as performance dashboards and evaluation interfaces that improve product interaction and monitoring capabilities.
Skills and experience
- Proven experience in Python with a strong focus on backend development using Django and/or FastAPI.
- Expertise in database technologies such as Postgres or Redis, with a track record of optimizing data storage and retrieval.
- Solid understanding of infrastructure, continuous integration, and continuous development practices.
- Interest in applying backend skills to AI-driven solutions, including work with large language models.
- Ability to independently design high-quality backend solutions while keeping the overall user experience in mind.
- Quick adaptability to emerging technologies and eagerness to deepen knowledge of AI software.
- Fluency in English.
Compensation and benefits
The salary for this role starts at 80,000€ and is commensurate with experience. We also offer hybrid work arrangements.
How to apply
If you have a strong record of verifiable accomplishments in backend development and want to contribute your expertise to cutting-edge AI applications, we encourage you to apply. We look forward to learning how your skills and perspective can help us advance the next generation of AI-powered tools.






