Stefan Hamels is a Senior .NET Developer with nine years of professional experience delivering full-stack .NET and Azure solutions across enterprise and government clients. He combines deep Microsoft-certified expertise (MCSD, ASP.NET MVC, Azure) with hands-on work in .NET Core, microservices, Kubernetes, and modern front-end frameworks like Vue.js and AngularJS. Stefan has a strong backend focus—building robust APIs, database integrations (PostgreSQL, MS SQL, Oracle) and automated CI/CD pipelines—while also shipping WPF and responsive web UIs. As a frequent freelancer and long-term contributor at organizations from DAF and Robeco to KPN, he balances rapid feature delivery with maintainable architecture. He contributes to open-source humanitarian software (allReady), implementing backend query handlers and unit tests, showing an attention to data integrity and testability. Trained originally in engineering, he brings a pragmatic, systems-minded approach to solving complex cross-stack problems.
9 years of coding experience
12 years of employment as a software developer
Bachelor of Engineering P.T.H. Werktuigbouwkunde, Bachelor of Engineering P.T.H. Werktuigbouwkunde at Fontys University of Applied Sciences
This repo contains the code for allReady, an open-source solution focused on increasing awareness, efficiency and impact of preparedness campaigns as they are delivered by humanitarian and disaster response organizations in local communities.
Role in this project:
Back-end Developer
Contributions:5 commits, 2 comments in 1 day
Contributions summary:Stefan primarily focused on implementing backend features and database interactions. Their contributions include creating query handlers and queries for user data management, specifically for deleting users. They also developed handlers and queries for retrieving data related to campaigns, events, and tasks. The commits show work on unit tests to validate the functionality of these query handlers and ensure data integrity.
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.