Senior Fullstack .NET/C# Engineer

Senior Full-stack .NET/C# Engineer

Conditions

Posted Date Apr 21, 2026 Employment Type Contract Experience Level Mid-Senior level Location Romania Category ** Programming ** Company **All European Careers **

Senior Full-stack .NET/C# Engineer

We are looking for 2 (Senior) Full-stack .NET/C# Engineer for an European Institution in Luxembourg. We are looking for candidates with +5 years of experience with .NET frameworks, a strong command of C#, Angular and alongside a commitment to building secure, high-performance systems.

EU candidates are welcome to apply. Candidates need to be based in Luxembourg or willing to relocate to Luxembourg. The candidate has the option to work 1-2 days remote per week from home.

Work permit is not provided. Candidates need to be fluent in English.

Tasks and responsibilities:

• Develop and maintain web-based systems with complex architectures, leveraging the .NET ecosystem and C#;
• Work within a range of application architectures, including MVC, Microservices, REST API-based designs, Event-Driven Architecture, and Model-Driven Design; Looking to advance your Development & Programming career with relocation support? Explore Development & Programming Jobs with Relocation Packages that include comprehensive packages to help you move and settle in your new role.
• Design and implement Single Page Applications (SPAs) using frameworks such as Angular or React, HTML5, and Bootstrap for responsive, user-friendly interfaces;
• Manage data using Microsoft SQL Server and Oracle;
• Write secure, efficient code while adhering to cybersecurity best practices;
• Ensure regular reporting in order to optimize the monitoring of activities, the transfer of knowledge and documentation within the development team;

Profile:

• Bachelor or Master degree; Discover our full range of relocation jobs with comprehensive support packages to help you relocate and settle in your new location.
• +5 years of experience on medium/large projects related to the development of complex architectures for web-based systems on Microsoft technologies;
• Familiar with various application architectures (MVC, Microservices, REST API, EDA, Model-Driven Design);
• Good command of .NET frameworks and C# programming language;
• Good knowledge and proven experience of database management systems, particularly Microsoft SQL Server and Oracle;
• Good knowledge on data modelling and data management;
• Experience with SPA Frameworks like Angular or React, HTML5 and Bootstrap;
• Experience on writing secure code, prioritizing cybersecurity, as well as maintaining optimization and efficiency;
• Experience with version control systems as GIT;
• Good knowledge of software development tools, methodologies and best practices;
• Fluent in English;

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