Senior Software Engineer

Join 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 30000 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.

We 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 -based system for aggregating transforming and exposing business-critical data and will extend to include future development and operations on Oranges 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:

1. API for Business Program delivering secure real-time customer APIs via a central Logic API Layer
2. The New Integration Platform (iPaaS) enabling modular and scalable data orchestration across all OB systems

You will work in Agile teams alongside Business Analysts Product Owners Architects and DevOps to ensure robust maintainable and scalable integration solutions that power Oranges evolving digital ecosystem.

Key Responsibilities

• Design develop and maintain services within the Business Layer integration platform using Redis and MongoDB
• Build reusable modules and APIs that ensure smooth real-time system interoperability
• Contribute to the development and deployment of Oranges new iPaaS supporting cross-domain integrations between front-office (e.g. eShop eCare) and back-office (e.g. OSS billing) systems
• Collaborate with architects on the evolution and modernization of integration platforms using technologies such as Golang NATS and event-driven architecture
• Ensure scalability observability and security in all platform components
• Participate in CI/CD automation and deployment using GitLab Docker Kubernetes and Helm
• Support sprint planning estimation and delivery in an Agile/SAFe environment
• Provide technical mentorship to junior developers and contribute to engineering best practices

Technical Skills

• Proficiency in backend development ideally within integration or middleware environments
• Experience with Redis MongoDB REST APIs and microservices
• Familiarity with containerization and orchestration tools: Docker Kubernetes Helm
• Experience with CI/CD pipelines using GitLab and scripting with Bash on Linux systems
• Exposure to Golang NATS or event-streaming platforms is a strong advantage
• Experience in API testing and integration validation

Functional Skills

• Ability to translate integration use cases into technical designs and code
• Collaborative mindset able to work effectively with BAs architects and product teams
• Strong debugging troubleshooting and performance optimization skills
• Comfortable navigating large-scale enterprise IT ecosystems
• Enthusiasm for learning new platforms and contributing to cloud-native architectures like iPaaS

Qualifications & Experience

• Bachelors or Masters degree in Computer Science Software Engineering or equivalent
• Minimum 5 years of experience in backend software development ideally with integration projects
• Proven track record in building and deploying scalable services and APIs
• Familiarity with enterprise integration patterns and middleware platforms
• Fluent 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.