Senior Integration Engineer

Company Description Arηs Group, Part of Accenture, specializes in the management of complex public sector IT projects, including systems integration, informatics and analytics, solution implementation and program management. Our team helps lead clients through digital and information systems design, bringing expertise in a variety of areas ranging from software development, data science and security management to machine learning, cloud, and mobile development. Arηs Group was acquired by Accenture in July 2024.

Job Description
ARHS Group, part of Accenture, is looking for a Senior Integration Engineer (m/f) to join one of our client teams in Luxembourg within a European institutional environment. In this role, you will design, develop, and maintain enterprise integration solutions across a complex application landscape. You will work with Microsoft Azure, APIs, microservices, and integration technologies to deliver secure, scalable, and reliable solutions, while contributing to the modernization of integration platforms. THE WORK:
• Design, develop, and maintain enterprise integration solutions, following architecture standards and best practices.
• Develop REST APIs, SOAP Web Services, and integration services, including orchestration, transformation, routing, and protocol mediation.
• Build and maintain integration components and microservices using Java, Spring Boot, and Apache Camel.
• Manage the API lifecycle, including design, publishing, versioning, monitoring, and retirement.
• Configure, maintain, and support integration platforms and their components.
• Implement and maintain CI/CD pipelines and automate deployments using Infrastructure as Code (IaC).
• Ensure the security, performance, scalability, availability, and reliability of integration services, in line with applicable security, audit, and regulatory requirements.
• Monitor integration platforms, troubleshoot production incidents, and perform root cause analysis.
• Contribute to integration architecture modernization, platform upgrades, automation, and continuous improvement.
• Prepare and maintain technical documentation and collaborate with architects, developers, infrastructure, and security teams.
• Provide technical guidance and contribute to integration standards, reusable components, and technical decisions. Onsite at client site: This role follows a hybrid working model, with approximately 60% onsite presence in Luxembourg (Kirchberg) and 40% remote working flexibility. Our roles require in-person time to encourage collaboration, learning, and relationship-building with clients, colleagues, and communities. As an employer, we will be as flexible as possible to support your specific work/life needs. HERE’S WHAT YOU’LL NEED:
• Strong professional experience in software development and enterprise integration, including complex integration environments.
• Hands-on experience with Microsoft Azure.
• Strong knowledge of Java, Spring Boot, and Apache Camel or similar enterprise integration frameworks.
• Strong experience with REST APIs, API design principles, and SOAP Web Services.
• Good understanding of microservices, distributed architectures, and enterprise integration patterns.
• Knowledge of databases and data access technologies.
• Experience with DevOps practices, CI/CD pipelines, and Infrastructure as Code, using Terraform, Bicep, or ARM Templates.
• Experience supporting and troubleshooting integration solutions in production environments.
• Ability to independently analyze complex technical issues and take ownership of their resolution.
• Strong analytical, communication, and problem-solving skills, with the ability to collaborate across technical and business teams.
• Proactive approach to quality, security, continuous improvement, and knowledge sharing. BONUS POINTS IF YOU HAVE:
• Experience with API Management platforms.
• Knowledge of Apache Kafka, enterprise messaging, or event-driven architectures.
• Familiarity with monitoring and observability solutions. As part of our security and compliance procedures, candidates will be required to undergo a criminal background check prior to employment.