Backend Developer Jobs in France

Backend Engineering team at Nica Recruiting builds and maintains high‑performance services for catalog integration. The Senior Backend Developer designs, implements, and optimizes APIs and data pipelines, collaborating with product and infrastructure teams.

FinTech Platform Engineering team at Horizon Trading Solutions builds a high‑performance trading platform for electronic markets. The Backend Java Developer Intern will write clean, maintainable Java code, collaborate on new features, and participate in code reviews and agile processes within a Scrum team of 6‑9.

Join the Space Processing & Intelligence team within CS Group’s Espace Business Unit to advance European space mission performance and security. You will study ground segment image solution convergence, define microservice architectures using Java Spring, and maintain evolving solutions.

Stancer, a subsidiary of the Free group founded in 2018, provides simple and competitive payment solutions for small and medium-sized businesses, including online and in-store services with anti-fraud tools. As a Senior Backend Developer (Python) based in Paris, you will maintain and evolve the customer space, support complex internal solution development, participate in technical architecture decisions, and conduct technology watch.

You would join an internal squad in charge of building the foundations to help other squads to develop / deploy / monitor / secure their services. The team also develops transversal services such as the worker service, the realtime fraud detection service and monitors the Software Development Kit (SDK).

En tant que Backend Engineer - Elixir (all genders) , vous rejoindrez nos équipes et travaillerez pour un client majeur dans le secteur du luxe sur la technologie Elixir utilisée dans une solution OMS (Order Management System). Une bonne connaissance de React est un plus, mais le poste est orienté Back-end.

Engineering Department at HELPLINE focuses on digital transformation projects for clients across Europe. As a Backend Java Developer you will design and implement micro‑services APIs, manage data with MariaDB and MongoDB, and ensure robust network communication.

NEXTON, a digital consulting and engineering firm founded in 2011 with over 450 experts, is hiring a Backend Developer (CDI) based in Nantes, France. In an agile team handling high-traffic applications, you will design, develop, deploy, and maintain backend features, contribute to DevOps deployment and monitoring, and drive continuous improvement across a varied project ecosystem.

Tech team at Antadis, a French digital agency specializing in e‑commerce platforms. The Senior Backend Developer designs and builds custom PHP/Symfony/Sylius features, optimizes performance, and ensures clean‑code standards while mentoring junior developers.

Ekkiden is an international consulting group founded in 2019 that leads organizational, operational, and technological transformation projects in IT/Digital, Industry/R&D, and sustainability for large accounts and SMEs across France, Switzerland, Spain, and Germany. The Senior Backend Node.js / TypeScript role joins an experienced technical team to design and develop robust, scalable backend solutions, with a strong focus on code quality, testing, and best practices.

Draft Showdown team at Voodoo builds a turn‑based multiplayer game and needs a backend engineer to shift game logic from client to server. The role designs and implements server‑side validation, matchmaking, cheat detection and APIs while collaborating with client engineers and designers.

Backend Engineering team at Nica Recruiting builds and maintains high‑performance services for acquisition platforms. The role designs, implements, and optimizes server‑side APIs and data pipelines, collaborating with product and front‑end engineers to ensure reliability and scalability.

Prelude is a Paris-based team of 60 redefining user authentication and onboarding, turning it into a growth lever with a flagship OTP product that dynamically selects the best delivery channel while blocking fraud. As a Backend Engineer (Go), you will build and scale a distributed system using Go, DynamoDB, SQS, Redshift, and Lambdas, develop a full-stack app with Next on Vercel and gRPC, and work on the next version of the Prelude API. You will also help deploy the fraud prevention model, build

Backend team at Terabase Energy in Paris builds and maintains the backend infrastructure for Construct, a B2B SaaS platform for utility‑scale solar construction. The role designs, develops, tests, and deploys backend services, collaborates daily with mobile, front‑end, AI, and external development teams, and applies Agile principles to deliver high‑quality code.

Air Apps is a family-founded company building the world's first AI-powered Personal & Entrepreneurial Resource Planner (PRP), with offices in Lisbon and San Francisco. The Backend QA Engineer will ensure the reliability, performance, and scalability of backend systems by testing APIs, databases, and backend services while collaborating closely with engineers.

Air Apps is building the world's first AI-powered Personal & Entrepreneurial Resource Planner (PRP) and seeks a DevOps Engineer – Backend to design, automate, and maintain the infrastructure powering its backend systems. Day-to-day work includes building CI/CD pipelines, managing cloud environments, enforcing infrastructure best practices, and collaborating with developers to streamline deployments and improve scalability.

Air Apps is a family-founded company building the world’s first AI-powered Personal & Entrepreneurial Resource Planner (PRP), with offices in Lisbon and San Francisco. As a Backend Software Engineer, you will design, build, and maintain server-side components, collaborating with product managers and frontend developers to deliver robust, scalable backend services.

Backend Engineering at Matera builds a robust, high‑performance backend platform using Ruby on Rails, Kubernetes and Terraform. The Staff Software Engineer defines long‑term architecture, sets coding standards, mentors developers and drives high‑impact tech initiatives while improving developer experience with AI‑assisted tooling.

Software Engineer, Backend (Safety) – Join Amo’s User Safety team to design and build robust, scalable safety platforms that protect users and ensure compliance with global regulations. In this role you’ll architect data pipelines, develop APIs and integrations, and automate complex decision‑making workflows.

Engineering team at Fabulous builds innovative health and wellness features such as marketing optimization engines and billing reporting. The Senior Backend Engineer designs and implements NodeJS APIs, architects event‑driven microservices in Google Cloud, and ensures scalable, test‑covered services.