Publication date : Apr 21, 2026, 12:00AMOrange Business is here!About usJoin us at Orange Business!We are a network and digital integrator that understands the entire value chain of the digital world, freeing our customers to focus on the strategic initiatives that shape their business.Every day, you will collaborate with a team dedicated to providing consistent, sustainable global solutions, no matter where our customers operate. With over 30,000 employees across Asia, the Americas, Africa, and Europe, we offer a dynamic environment to develop and perfect your skills in a field filled with exciting challenges and opportunities.About the roleWe are looking for a Senior Software Engineer to join the Integration Build team at Orange Business, contributing to the design, development, and delivery of our integration platforms. The role focuses primarily on our in-house Business Layer, a Node.js-based system for aggregating, transforming, and exposing business-critical data, and will extend to include future development and operations on Orange’s new cloud-native iPaaS (Integration Platform as a Service).This is a strategic engineering role within Orange Business IT (OB IT), aligned with two key transformation programs:API for Business Program – delivering secure, real-time customer APIs via a central Logic API LayerThe New Integration Platform (iPaaS) – enabling modular and scalable data orchestration across all OB systemsYou will work in Agile teams alongside Business Analysts, Product Owners, Architects, and DevOps to ensure robust, maintainable, and scalable integration solutions that power Orange’s evolving digital ecosystem.Key ResponsibilitiesDesign, develop, and maintain services within the Business Layer integration platform using Node.js, Redis, and MongoDBBuild reusable modules and APIs that ensure smooth, real-time system interoperabilityContribute to the development and deployment of Orange’s new iPaaS, supporting cross-domain integrations between front-office (e.g., eShop, eCare) and back-office (e.g., OSS, billing) systemsCollaborate with architects on the evolution and modernization of integration platforms using technologies such as Golang, NATS, and event-driven architectureEnsure scalability, observability, and security in all platform componentsParticipate in CI/CD automation and deployment using GitLab, Docker, Kubernetes, and HelmSupport sprint planning, estimation, and delivery in an Agile/SAFe environmentProvide technical mentorship to junior developers and contribute to engineering best practicesAbout youTechnical SkillsProficiency in Node.js backend development, ideally within integration or middleware environmentsExperience with Redis, MongoDB, REST APIs, and microservicesFamiliarity with containerization and orchestration tools: Docker, Kubernetes, HelmExperience with CI/CD pipelines using GitLab and scripting with Bash on Linux systemsExposure to Golang, NATS, or event-streaming platforms is a strong advantageExperience in API testing and integration validationFunctional SkillsAbility to translate integration use cases into technical designs and codeCollaborative mindset, able to work effectively with BAs, architects, and product teamsStrong debugging, troubleshooting, and performance optimization skillsComfortable navigating large-scale, enterprise IT ecosystemsEnthusiasm for learning new platforms and contributing to cloud-native architectures like iPaaSQualifications & ExperienceBachelor’s or Master’s degree in Computer Science, Software Engineering, or equivalentMinimum 5+ years of experience in backend software development, ideally with integration projectsProven track record in building and deploying scalable services and APIsFamiliarity with enterprise integration patterns and middleware platformsFluent in English (French is a plus)You bring a can-do attitude, tackle challenges head-on and challenge the status quo with new and innovative ideas.What we offer• Global Opportunities:Work in multi-national teams with opportunity to collaborate with colleagues and customers from all over the world.• Flexible Work Environment:Flexible working hours and possibility to combine work from office and home (hybrid ways of working).• Professional Development:training programs and upskilling/re-skilling opportunities.• Career Growth:Internal growth and mobility opportunities within Orange.• Caring and Daring Culture:Health and well-being programs and benefits, diversity & inclusion initiatives, CSR and employee connect events.• Reward Programs:Employee Referral Program, Change Maker Awards.Only your skills matterRegardless of your age, gender identity, race, ethnic origin, religion/belief, sexual orientation, marital status, neurotype, disability, veteran status or appearance, we encourage diversity within our teams because it is a strength for the collective and a vector of innovation. Orange Group is a disabled-friendly company and equal opportunity employer: don't hesitate to tell us about your specific needs. At Orange, only your skills matter. Regardless of your age, gender, background, origin, religion, sexual orientation, disability, neurodiversity, or appearance, we actively encourage diversity within our teams, as it is a collective strength and a driver of innovation.Orange is a disability-inclusive employer: please feel free to let us know about any specific needs you may have.