Backend Developer Jobs in Rhône-Alpes, France

B2B Team at Proton builds privacy‑focused solutions for businesses, non‑profits and governments across Proton’s product suite. The Backend Engineer designs, implements and maintains PHP/Symfony APIs and MySQL data models, collaborates with product, account and payments teams, and ensures 24/7 reliability for global customers.

R&D Backend team at Akselos builds robust backend services and APIs for a cloud‑based high‑performance computing simulation platform that supports safety‑critical industrial decisions. The role designs, develops, and optimizes backend systems, implements infrastructure as code, and ensures security and reliability across GCP/Azure environments.

Software Engineering team at ALTEN delivers high‑quality backend solutions for international clients. The role designs, develops, tests, and maintains software in an Agile Scrum environment, collaborating with product managers and analysts.

Backend Engineer on ALTEN's engineering team, delivering robust backend solutions for enterprise clients. Works in an agile scrum environment to design, develop, test, and maintain software, collaborating with product management and customers to validate technical approaches.

Backend Engineering team at ALTEN delivers high-quality software solutions for international clients in a fast‑paced, startup‑like environment. The role designs, develops, tests and documents backend services, databases and APIs while collaborating with product managers and analysts.

ALTEN’s Backend Engineering team builds high‑quality, scalable software for international clients across aerospace, automotive, and finance. The role involves analyzing specifications, designing and developing robust solutions in C++, Java, or Python, and ensuring quality through unit, performance, and integration testing.

Backend Engineer at ALTEN Sophia Antipolis, part of a high‑velocity agile scrum team delivering user stories in a startup‑like environment. The role focuses on designing, coding, and testing C++/Java services, building RESTful APIs, and ensuring quality through unit, performance, and integration tests.

Backend Engineer at ALTEN, a European leader in high‑tech engineering, building scalable software for diverse industry clients. In an Agile Scrum team, you design, develop, and test high‑quality backend solutions, model databases, and collaborate with Product Managers to validate features.

Backend Developer (Java) at Reale Mutua Assicurazioni focuses on designing, developing, and maintaining Java-based backend services for the company's insurance product lifecycle. The role operates in an Agile/DevOps environment, collaborating with cross-functional teams to deliver high-quality, scalable solutions.

Technology & Product team at OrderMesh builds an intelligent order orchestration platform for global print‑on‑demand fulfillment. The Backend Developer will design, build, and maintain .NET microservices, work with Kafka, Temporal, MongoDB and Redis, and deploy to Kubernetes while collaborating with product teams from concept to production.

Tech & Engineering team at Mediasmart builds a high‑availability, scalable advertising platform serving millions of requests per second. The Backend Engineer develops distributed services, conducts code reviews, resolves client performance tickets, and collaborates on feature ideation and bug fixing.

Platform Engineering team builds enterprise‑grade backend services that process large data volumes and support mission‑critical operations. The Senior Backend Developer designs, develops, and maintains high‑performance microservices and APIs using Python and Java, implements CI/CD pipelines, and operates Kubernetes‑based deployments.

Lodging and Cars Supply team at Hopper builds a global hotel and car booking ecosystem handling high‑volume, real‑time transactions. As a Senior Backend Engineer you will design, implement and maintain scalable Scala‑based microservices, integrate external partners via gRPC, Pub/Sub and REST, and ensure low‑latency, resilient booking fulfillment.

Promo & Loyalty team builds the promotions, discounts, loyalty programs, subscriptions, pricing and checkout logic for Sweed's all‑in‑one cannabis retail platform. The Senior Backend Engineer designs and develops .NET microservices, refactors monolith business logic into dedicated services, defines financial data interfaces, and improves system performance while mentoring peers.

Engineering team at Resilient Co builds enterprise integration platforms connecting PLM, PIM, and marketplace systems. The Senior Backend Engineer designs and develops C#/.NET Core APIs, implements ETL and data transformation pipelines, and deploys Azure Functions, App Services, and related cloud services.

Product Engineering Team builds the backend for a high‑traffic user‑facing product, focusing on latency, scalability, reliability, and data‑intensive troubleshooting. The Senior Backend Engineer leads end‑to‑end migration of Python logic to Golang services, designs performant systems, and drives technical direction.

Platform Engineering team builds large‑scale distributed systems that power personalized feeds, search and real‑time user engagement for a global online community. The Senior Backend Engineer designs, develops and maintains high‑performance backend services in Python and Go, collaborates with Machine Learning, Product and Infrastructure teams, and drives reliability and scalability improvements.

Backend Engineering Team at Workana Premium builds scalable backend services for the platform. The role designs, develops, and maintains Python backend applications using Django, Flask, and FastAPI, and creates robust RESTful APIs while optimizing performance and reliability.

We are seeking an experienced backend engineer to build and modernize mission‑critical systems that protect critical infrastructure worldwide. The role focuses on designing scalable services in Golang or Python, mentoring junior staff, and collaborating across a multicultural team to deliver secure, high‑performance solutions.

AI Voice Generation Team builds the core backend for next‑gen AI‑powered voice creation. The Staff Backend Engineer designs and operates distributed services that orchestrate multiple text‑to‑speech providers and in‑house AI models, ensuring reliable, low‑latency voice outputs at scale.