Senior OpenText Developer (m/f)

ARHS

Luxembourg, Luxembourg, Luxembourg permanent

Posted: December 2, 2025

Job 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.

ARHS Group, part of Accenture, is looking for a Senior ECM Developer – OpenText & Microsoft 365 to join one of our key client projects in Luxembourg.

In this role, you will support innovation in Electronic Document & Records Management (EDRM/GED) and lead interoperability with Microsoft 365. You’ll focus on modernizing legacy customizations, building cloud-compatible solutions, and ensuring a seamless user experience.

THE WORK:

• Design and implement cloud-compatible solutions for GED interoperability and innovation projects.
• Modernize and replace legacy customisations with scalable and maintainable implementations.
• Develop, configure, and extend the GED platform using SmartUI and modern programming languages.
• Maintain and gradually migrate legacy components built with Oscript.
• Collaborate on Microsoft 365 integrations (SharePoint, Teams, Outlook).
• Support workflows, including signature workflows (e.g., DocuSign).
• Contribute to solution design and architecture discussions, ensuring alignment with enterprise standards.
• Work in an Agile/DevOps environment with continuous delivery practices.
• Produce documentation and share technical knowledge with colleagues and stakeholders.

Flexible: The work location for this role includes a mix of working remotely and onsite at a client in Luxembourg.

HERE’S WHAT YOU’LL NEED:

• Strong programming background in C#, JavaScript, TypeScript, or equivalent.
• Hands-on experience with SmartUI development.
• Ability to maintain and replace legacy Oscript customisations.
• Knowledge of system interoperability and cloud architecture.
• Experience working in Agile/DevOps practices.
• Strong problem-solving, communication, and teamwork skills.

EXPERIENCE & QUALIFICATIONS:

• 7+ years in software development or systems design.
• Proven experience with enterprise content, electronic document management (ECM/EDRM) platforms such as OpenText GED.
• Track record of delivering interoperability and integration solutions with Microsoft 365.

As part of our security and compliance procedures, candidates will be required to undergo a criminal background check prior to employment.

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