Senior Backend Python Engineer – Build Scalable APIs

Cozycozy in Paris is seeking a Lead Backend Engineer to steer the backend team and shape the platform's architecture. You will guide technical direction, mentor engineers, and own core backend systems powering millions of real-time accommodation results.You will build high-quality TypeScript/Node.js and Go code, evolve REST/gRPC APIs, and partner with DevOps...

Safran.AI à Paris cherche un Senior Backend Software Engineer expérimenté pour construire et faire évoluer nos services back-end et nos pipelines data. Vous serez intégré(e) à une équipe de 7 développeurs et travaillerez sur des architectures scalables avec Python/FastAPI et React.Vous concevrez des solutions robustes, assurerez la qualité du code,...

Proton is hiring a Backend Engineer to build and maintain core services for 100+ million users. You will design scalable APIs, optimize performance, and collaborate with Product, Design, and APIs teams to deliver robust, secure software. Emphasis on cryptography, RESTful interfaces, and open-source practices.The role involves working with...

Doctolib is seeking a Senior Python Software Engineer to join the ATP team within the Application Platform Domain. You will design and deliver core components, contribute to chassis and archetypes, and help build cross-cutting services used across Doctolib.You will work in a cloud-native, polyglot stack with Python, Java/Kotlin, and TypeScript, in a hybrid...

As a Back End Developer at Earnix, you will be an integral part of our Engineering team, reporting to the Group Lead to Agentic AI. You will interact with AI Product Owners, Architects, and LLMOps to conceive technical solutions for our product, particularly by leveraging LLM capabilities What You'll Do Design, develop, deliver, and document secure and...

Dailymotion is more than a video app; it is a visual conversation in motion, built on a unique algorithm that broadens users' horizons. It brings nuance to debates that animate young people and places listening, discovery, and kindness at the heart of interactions to help build a better and safer Internet. Dailymotion also offers "Dailymotion Pro", a video...

Mistral is seeking a Backend Engineer in Paris to build core systems powering our AI platform. You will focus on scalable backend features, APIs, authentication, billing, and developer tooling for millions of users and developers.Join a collaborative team dedicated to robust, high-performance systems, secure architectures, and end-to-end feature delivery....

We’re a team of experts pushing the limits of what’s possible, united by our common goal to unlock true freedom through digital ownership, making technology accessible for all. We believe in a world where users, creators and enterprises manage their value with ownership and freedom. Our curiosity drives us to innovate, empowering individuals on a global...

Are you an experienced Senior Python Data Engineer with deep SQL and MongoDB expertise? emagine has an opportunity for you to drive data-driven solutions for VAT recovery, regulatory reporting and AI initiatives with a global team, in a leading banking environment in Paris. Skills & Experience • 12+ years of Python development, with strong OOP and...