Fullstack .NET / Angular Developer (Freelance) – 24 Months – Melle
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About the Role
We are seeking a Medior Fullstack .NET / Angular Developer (Freelance) to join our client's product team for a 24-month project based in Melle. You'll be at the heart of building and evolving a central customer web portal, empowering end-users with seamless digital experiences. This is your opportunity to drive real impact, working end-to-end on solutions that matter, alongside a team of passionate builders.
Why This Role Matters
This role is pivotal in delivering and maintaining a robust, scalable, and secure customer portal. You'll help shape the technical strategy, ensure high-quality releases, and directly influence how thousands of users interact with digital services. Your expertise will be key in solving complex challenges, automating UI testing, and ensuring the platform's reliability and innovation for years to come.
What You'll Be Doing
* Designing, developing, and supporting web applications using .NET and Angular within a collaborative product team environment
* Driving functional and technical solution design, translating business needs into concrete, scalable solutions
* Automating UI testing with Playwright to ensure robust, high-quality releases
* Contributing to both project-based feature development (approx. 2/3) and incident/maintenance work (approx. 1/3)
* Engaging in end-to-end product ownership, from ideation to release and post-launch support
* Collaborating closely with team members, stakeholders, and other IT functions to deliver value
* Supporting and mentoring fellow developers, sharing knowledge and best practices
* Ensuring compliance with internal IT standards, best practices, and change/release management processes
* Participating in planning, estimation, and technical feasibility assessments
* Documenting solutions, analyses, and test results for knowledge transfer and future reference
* Occasionally supporting releases outside regular office hours
Technical Skills
* Proven experience in .NET application development (C#, ASP.NET, .NET 6 or higher) – minimum 4 years
* Strong expertise in Angular 2+ (minimum 5 years)
* Hands-on experience with Azure AD B2C / Entra ID (minimum 2 years)
* Experience with Capacitor for mobile development
* Solid understanding and application of CQRS patterns
* Federated authentication with OAuth (minimum 2 years)
* Development experience on Azure: API Management, App Services, Service Bus, Service Fabric
* ORM experience with Entity Framework (minimum 4 years)
* UI test automation using Playwright (minimum 2 years)
* Web services development: Web API / REST, and SOAP
* Frontend technologies: JavaScript, HTML, CSS (minimum 3 years)
* Mobile development experience (Android/iOS)
* Relational databases: Oracle, SQL, or similar
* Unit testing and Agile development methodologies
* Familiarity with Atlassian Jira and Confluence
* Process-driven organizations (ITIL: incident, change, release management)
What We're Looking For
* Builder mindset: proactive, ownership-driven, and passionate about delivering impact
* Strong analytical and problem-solving skills
* Meticulous attention to detail and quality
* Excellent communication and collaboration abilities
* Ability to work independently and take initiative
* Experience in planning, estimation, and technical documentation
* Commitment to knowledge sharing and team success
Language Proficiency
* Fluent Dutch (CEFR C2) is mandatory for this role
Other Requirements
* This is a freelance position with a 24-month contract, full-time regime, and potential for extension
* Location: Melle (hybrid/remote work possible, subject to team agreement)
* Occasional out-of-hours work may be required for releases
* Start date: 07/03/2026 | End date: 06/03/2028
* Assignment type: Time & Material
* Right to represent documentation required
Ready to build the future with us? Upload your CV and join the movement of elite builders at RELYzIT Talent.
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