Senior .NET Developer (m/f)

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.

Senior .NET Developer (m/f)

• Luxembourg
• Full-time, permanent

ARHS Group, part of Accenture, is looking for an experienced Senior .NET Developer to join one of our banking clients in Luxembourg. This is an exciting opportunity to work directly onsite, contributing to the development of critical applications in a secure and demanding environment.

THE WORK:

• Design, develop, and maintain applications using .NET (C#).
• Work across the full stack, with frontend frameworks such as React or Angular.
• Write and optimize SQL queries to support application functionality.
• Collaborate with team members and stakeholders to define requirements and deliver high-quality solutions.
• Support workflow orchestration and job scheduling using automation tools.
• Contribute to deployments and performance optimization on Azure.
• Take part in code reviews, testing, and documentation to ensure quality and maintainability.

Onsite at client site: This role requires an onsite presence with our clients and partners to support project delivery and strengthen client relationships.

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:

• Minimum 5 years of professional experience in .NET development.
• Strong expertise in C# and the .NET ecosystem.
• Good to excellent SQL skills.
• Experience with frontend frameworks (React or Angular).
• Hands-on experience with Azure cloud services.
• Familiarity with automation tools or workflow orchestration/job scheduling.
• Strong communication skills and ability to work effectively in a collaborative environment.
• Fluency in English is required; French is an asset.

BONUS POINTS IF YOU HAVE:

• Banking or financial sector experience.
• Knowledge of DevOps practices (CI/CD, testing automation).
• Exposure to microservices architecture.