Back-End Developer - DOTNET (Ref: 271)

For one of our public sector clients in Luxembourg, we are looking for multiple Back-End Developers - DOTNET

Your mission:

• Design and develop robust, secure, and high-performing applications and APIs in .NET C# (latest versions of .NET Core), in a micro-services architecture, to support application functionalities.

• Write optimized SQL queries, design database schemas (in collaboration with the Database Architect), and interact with the Oracle database using ORMs (Entity Framework Core) or direct access.

• Actively participate in setting up, using, and improving CI/CD pipelines under Gitlab to automate builds and deployments.

• Write and perform unit and integration tests to ensure the quality and non-regression of the produced code.

• Actively participate in Agile ceremonies, closely collaborate with other developers, testers, BAs, and designers.

• Identify, analyze, and fix bugs and technical issues reported across the stack.

• Analyze and optimize application performance at the back-end level (.NET).

• Implement security best practices at all levels of the application (authentication, authorization, protection against common vulnerabilities).

• Participate in developing integrations between internal applications and external systems.

• Write and maintain technical documentation related to the code, APIs, and architecture of the developed components.

Your profile:

Experience

• Minimum of 5 years of experience as a Backend Developer, with significant experience on projects using .NET C# and Oracle, ideally in a migration or application rewrite context.

• Proven experience in developing complex and large-scale web applications, preferably with a micro-services architecture.

• Experience working in an Agile/Scrum environment using Gitlab CI/CD and Visual Studio.

• Portfolio of projects demonstrating technical skills and code quality.

Behavioral Skills

• Strong interest in solving technical problems and learning new technologies (micro-services, containerization).

• Ability to analyze complex problems and develop effective and robust solutions.

• Excellent ability to work in a team, share knowledge, and communicate effectively with other members.

• Ability to work independently, take initiatives, and manage tasks effectively.

• Ability to quickly adapt to new technologies, tools, or work methods in a transformation context.

• Ability to explain technical concepts clearly.

• Constant desire to learn and improve.