.We are looking for a Full Stack C# Desktop Developer who is willing to relocate to join our Client's team in the Hague, Netherlands.Eligibility: EU Passport / EU Citizenship is a must.Duties & Responsibilities:The Full Stack C# Desktop Developer will support the development of the NATO TOPFAS Service by:Software Development:Implement and review software changes using Azure DevOps.Develop the front-end application and ensure seamless communication with backend services.Create and improve system interfaces with other applications (file-based and real-time online).Support integration efforts, including integration testing.Provide support for bug fixes and system stability improvements.Regularly update and create documentation for developed solutions.Collaboration & Communication:Work closely with the project team, attending daily stand-ups and sprint planning meetings.Participate in workshops, events, and conferences as needed.Collaborate with multiple teams for coordinated technical solutions, ensuring smooth integration across systems.Quality Assurance & Reporting:Ensure all deliverables meet agreed-upon quality standards.Prepare sprint completion reports detailing work performed and progress achieved.Provide demonstrations of completed work during sprint reviews.Agile Methodology:- Follow an Agile approach, working in two-week sprints.- Actively contribute to daily meetings and sprint retrospectives to assess progress and resolve issues collaboratively.Required Qualifications:Master's degree in Computer Science, Engineering, or equivalent.10+ years of experience as a Software Developer, with at least 5 years of expertise in C#.At least 5 years of experience developing WinForms (Microsoft desktop applications).Proficiency in C# and third-party UI frameworks.Solid understanding of asynchronous programming and multi-threaded applications.Hands-on experience with integration patterns and message exchange formats like JSON and XML.Strong knowledge of Object-Oriented (OO) principles and design patterns.Familiarity with technologies such as Microsoft tech stacks, SQL Server, Git, HTML5, JavaScript, and CSS3.Basic knowledge of SQL querying.Additional Skills:Preferred: Experience with Azure DevOps, Playwright (or other test automation tools), and DevExpress.Soft Skills:Strong communication and presentation skills in English.Ability to work effectively in a multinational, diverse team.Proactive mindset, with strong ownership of tasks and responsibilities.Why Join Us?Employment: Indefinite Contract from the start.Relocation Support: Great relocation package.Health Insurance: Comprehensive coverage for your well-being.Hybrid Work Model: 2 days on-site, 3 days remote.Continuous Learning: Access to a Udemy Business subscription with thousands of workshops and courses.Team Culture: Collaborative and innovative work environment