Backend Developer Jobs in Grand Est, France

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.

AEM Backend Developer - Senior on the Digital Experience team, building enterprise-grade digital experiences using Adobe Experience Manager. Designs, develops and maintains backend AEM solutions, creates components and services, integrates REST APIs, and collaborates with multidisciplinary teams to deliver scalable, high‑performance applications.

Digital Experience Team builds enterprise-grade digital platforms using Adobe Experience Manager. The Senior AEM Backend Developer designs, develops, and optimizes scalable AEM backend solutions, integrates REST APIs, and collaborates with cross‑functional teams to deliver high‑performance digital experiences.

Development team at Hootsuite builds and maintains the core backend platform that powers the SaaS social media management product. The role designs and implements infrastructure services, automation tools, and platform features while supporting developer experience and production environments.

ARHS Group client team in Luxembourg builds mission‑critical backend systems for European institutional customers. The Senior Java Backend Developer / Technical Lead designs, develops, and maintains Java/Spring Boot services, leads technical design, mentors developers, and ensures secure, scalable delivery.

This Senior ML Backend Engineer role, based in Luxembourg and offered remotely, supports a partner company building machine learning infrastructure for advanced property intelligence solutions. Day-to-day work involves designing scalable ML pipelines, platforms, and tooling for training, evaluation, deployment, and monitoring, while collaborating with ML engineers, researchers, and software teams to move models from experimentation into production.

Our partner company seeks a Backend AI Software Engineer to design and build robust, scalable backend systems powering innovative digital health products. Based in Switzerland with a remote work model, you will primarily use TypeScript and Node.js to develop APIs, data processing pipelines, and distributed services.

Join the Cloud Monetization Platform team to build commercial infrastructure for a modern AI cloud platform. You will design scalable backend services and distributed workflows that handle complex billing, payments, and usage data.

Finanzen.net Gruppe is an innovative FinTech company supporting private and professional investors, comprising finanzen.net, finanzen.net ZERO (a Neobroker), and TraderFox. As a Senior Backend Engineer, you will be part of the Engineering Team, co-responsible for the further development and operation of the finanzen.net zero broker.

Adaptyv is building an automated lab that lets AI agents run biology experiments, giving AI agents access to the physical world through a deep software and hardware stack. As a Backend Software Engineer, you will build backend systems that make the lab programmable, architect data pipelines for large-scale protein characterization data, and build APIs that integrate laboratory instruments and robotics into the software stack.

IoT & Data Platform team at prenode GmbH builds scalable cloud services for connected devices and real‑time data processing. The Cloud & Backend Engineer designs, implements, and maintains micro‑service architectures, APIs, and data pipelines supporting the platform.

Digital Factory at EY builds cutting‑edge solutions that transform businesses worldwide. As a Senior Software Engineer (Backend) Assistant Director you will lead the design and development of secure, scalable APIs and data services, mentor junior engineers, and drive best practices in coding, security, and observability.

This Staff Software Engineer, Backend role is based in Switzerland and focuses on building and scaling developer infrastructure that powers integrations between applications and the real world. You will own critical backend systems, APIs, and services from concept through production, optimize them for performance and scalability, and collaborate directly with developer customers to translate integration challenges into scalable solutions.

This Senior Backend Engineer (Python/Django) role supports a global connectivity platform serving millions of travelers worldwide. You will build and scale high-performance APIs and mission-critical microservices, contribute to software architecture around operations, automation, and scalability, and strengthen engineering quality through testing, code reviews, and documentation.

Software Engineer (Backend Rust) – responsible for designing, coding, and deploying high‑performance backend components in Rust to support a scalable blockchain network. Focuses on reliability, scalability, and maintainable code while collaborating with cross‑functional teams and contributing to open‑source projects.

This Senior ML Backend Engineer role, based in Switzerland and offered remotely, supports a partner company building machine learning infrastructure for advanced property intelligence solutions. Day-to-day work involves designing scalable ML platforms for training, evaluation, deployment, and monitoring, while partnering with ML engineers, researchers, and software teams to move models from experimentation into production.

Data Platform team at Nexthink builds large‑scale, resilient data services that power digital employee experience insights. The Senior Java Backend Engineer designs, builds and delivers cloud‑native microservices, collaborates with product and architecture groups, and handles L3 support while driving performance and reliability.

Data Platform team at Nexthink builds scalable backend services for its digital employee experience platform. The Senior Backend Software Engineer designs, implements and scales distributed Java services handling millions of users, collaborates with product, infrastructure and frontend teams, and ensures reliability on AWS, Docker and Kubernetes.

Senior Backend Software Engineer at Nexthink will lead the design and development of high‑throughput data pipelines that process millions of messages per second. Working within the Digital Employee Experience team, you will build and maintain microservices using Java, Kafka, Spark, and modern observability tools such as New Relic and DataDog.

The Data Layer team builds and evolves the storage and query infrastructure behind a large-scale process orchestration platform. As a Backend Software Engineer, you will design and maintain backend services across relational databases and Elasticsearch/OpenSearch, ensuring process data is reliable, performant, and available.