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 diverse team of professionals, including Scrum Masters, Business Analysts, Developers, Test Analysts, Ops Engineers, and Product Owners, to deliver high-quality software solutions. Key Responsibilities: • Design, develop, and maintain .NET applications using C# and .NET Core. • Translate functional analyses into technical specifications and assist business analysts in validating application specifications. • Analyze and resolve technical issues, providing second-level bug resolution and technical support to colleagues. • Continuously improve development processes and software quality by staying updated on trends and methodologies in the field. • Automate and ensure continuous integration by setting up pipelines and unit tests to guarantee a stable and functional development, testing, and production environment. • Collaborate with the agile team in a SAFe environment, working closely with other developers, testers, business analysts, product owners, and scrum masters to deliver software iteratively and incrementally. • Contribute to technical documentation and knowledge sharing within the team, preparing and reviewing documentation created by junior developers. Required Experience and Competencies: • Bachelor's or Master's degree in Computer Science or equivalent experience. • At least 5 years of experience as a .NET developer. • 3 years of experience working in Agile/Scrum environments. Soft Skills: • Excellent problem-solving and analytical skills. • A mindset focused on continuous learning and improvement, with a willingness to learn 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 quickly switch between tasks and priorities, handling unexpected changes and obstacles. • Proactive and autonomous work style. • Sense of responsibility and customer orientation. • Knowledge of Oracle PL/SQL is a plus. Languages: • Fluent in French or Dutch. • Second language: understanding and basic written and oral communication. • English: understanding. If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal. Duration: 01/10/2026 - 31/12/2026 3 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 • ms sql - Level: Junior - Most recent: Any time • NServiceBus of ander messaging patroon - Level: Junior - Most recent: Any time • Windows communication foundation (WCF) - Level: Junior - Most recent: Any time Language requirements: Dutch or French Level Native English Level Passive knowledge