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# NET Developer (Senior)

- **Company:** Madello Consulting
- **Location:** Tienen, Belgium (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** ASP.NET, .NET Framework, Agile Methodology, Amazon Web Services, Microsoft Azure, C Sharp (Programming Language), Mobile Application Development, Code Review, Continuous Integration, Software Debugging, DevOps, Github, PostgreSQL, Open Source Technology, Pair Programming, Scrum Methodology, Software Engineering, SQL Databases, Test-Driven Development (TDD), Backend, Event Driven Architecture, Deployment Automation, Restful APIs, Docker
- **Published:** July 28, 2026
- **Apply:** https://www.vdab.be/vindeenjob/vacatures/74245126

## About the Role

Must Have

 * Minimum 5 years of .NET application development.
 * .NET (C#).
 * ASP.NET.
 * REST API development (minimum 6 years).
 * PostgreSQL.
 * Agile & DevOps culture (minimum 3 years).
 * Strong coding, testing, and debugging skills.
 * Dutch language proficiency at CEFR C2 level.
 * Signed NDA.

Should Have

 * Experience within the Flemish Government.
 * Development team leadership and coaching.
 * Azure.
 * AWS.
 * Docker.
 * Event-Driven Architecture.
 * MartenDB.
 * SQL Stream Store.
 * Test-Driven Development (TDD).
 * Agile leadership.
 * Pair Programming.
 * GitHub.
 * Open Source Development.

## Description

NET Software Development

 * Design, develop, and maintain enterprise-grade .NET applications.
 * Develop new functionalities for the Organisation Register and Association Register.
 * Produce high-quality, maintainable, and scalable code.
 * Perform coding, testing, debugging, and code optimisation.
 * Contribute to continuous software improvements.

Technical Design & Architecture

 * Participate in technical solution design.
 * Contribute to technology selection and architectural decisions.
 * Develop RESTful APIs and backend services.
 * Apply event-driven architecture principles where appropriate.
 * Support modern cloud-native development practices.

Agile Development

 * Work within Agile Scrum teams.
 * Participate actively in Scrum ceremonies.
 * Collaborate through pair programming.
 * Deliver sprint commitments with the team.
 * Promote Agile and DevOps best practices.

DevOps & Cloud Engineering

 * Support CI/CD and DevOps culture.
 * Develop containerised applications using Docker.
 * Work with Azure and AWS cloud environments.
 * Contribute to deployment automation and operational improvements.
 * Maintain high software quality standards.

Leadership & Collaboration

 * Coach and mentor junior developers.
 * Support technical leadership within the development team.
 * Collaborate with architects, analysts, and stakeholders.
 * Participate in code reviews and knowledge sharing.
 * Contribute to open-source initiatives hosted on GitHub.


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