Fullstack .NET Developer

Mission Overview: We are seeking an experienced Fullstack .NET Developer for a consultancy mission at a client site, representing Keystone Solutions. In this dynamic environment, you will collaborate with a bilingual team of professionals, working under an agile framework to deliver high-quality software solutions. Key Responsibilities: • Design, develop, and maintain .NET applications using C# and .NET Core. • Translate functional analyses into technical analyses and assist business analysts in validating technical specifications. • Analyze and resolve technical issues, providing second-level support and technical assistance to colleagues. • Continuously improve development processes and software quality by staying updated on trends and methodologies. • Implement automation and continuous integration through pipelines and unit tests to ensure stable and functional development, testing, and production environments. • Collaborate with the agile team in a SAFe environment, working closely with other developers, testers, business analysts, the Product Owner, and the Scrum Master to deliver software iteratively and incrementally. • Contribute to technical documentation and knowledge sharing within the team, preparing documentation and reviewing that created by junior developers. Required Experience and Skills: • Bachelor's or Master's degree in Computer Science or equivalent experience. • At least 8 years of experience as a .NET developer. • 3 years of experience working with Agile/Scrum methodologies. Behavioral Competencies: • Excellent problem-solving and analytical skills. • Continuous learning and improvement mindset, focused on adopting new technologies and methodologies. • Strong communication skills, both verbal and written, with the ability to explain technical concepts clearly to both technical and non-technical stakeholders. • Collaborative and socially skilled. • Adaptability and flexibility, with the ability to switch between tasks and priorities quickly. • Proactive and autonomous work style. • Sense of responsibility and customer orientation. Language Requirements: • Fluent in either French or Dutch. • Basic understanding and communication in the second national language. • Understanding of English. Work Arrangement: 2 days in the office in Brussels, with 3 days of remote work possible. If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal. Duration: 03/11/2026 - 31/03/2027 5 months (full time) Skills required: • .NET Framework - Level: Confirmed - Most recent: Any time • Azure Cloud, ervaring met Ci/CD-pijplijnen in Azure Devops - Level: Junior - Most recent: Any time • Azure DevOps - Level: Junior - Most recent: Any time • Blazor - Level: Junior - Most recent: Any time • C# - Level: Confirmed - Most recent: Any time • gRPC (gRPC Remote Procedure Calls) - Level: Junior - Most recent: Any time • NServiceBus (of ander messaging patroon) - Level: Junior - Most recent: Any time • REST - Level: Junior - Most recent: Any time • SQL - Level: Junior - Most recent: Any time Language requirements: Dutch or French Level Native English Level Passive knowledge