Freelance senior .NET engineering
Noxysoft is a one-engineer studio with nine years of back-end and full-stack experience, plus a QA engineering background that makes quality, maintainability and testability non-negotiable.
About
Noxysoft is a freelance senior .NET practice with nine years of back-end and full-stack web experience. Before that, I spent four years as a QA engineer, building test automation and QA tooling for products including a AAA PlayStation title. That eye for detail never left. Code quality, maintainability and testability aren't extras here; they're the baseline.
Four years as a QA engineer, building test automation and QA tooling, before moving to development. Testing is designed in from the start, not bolted on at the end.
Microsoft-certified Azure developer (AZ-204). Serverless functions, app services, messaging, monitoring, and the CI/CD pipelines to ship them.
I write the coding and architecture guidelines teams follow: clear boundaries, honest naming, code a new hire can read.
Open for freelance contracts Netherlands (hybrid) · Remote across Europe · Working languages: English & French (not Dutch)
Skills
Honest levels included, so you know exactly what you're hiring.
The back-end is my forte: the latest Microsoft .NET, designed for testability.
AZ-204 certified, comfortable across the Azure service catalogue.
Long experience as a QA tester and engineer. Quality is a habit, not a phase.
Researched and implemented advanced search for a marketplace platform.
Pipelines that build, test and deploy on every push.
Full-stack when needed, happiest one layer down.
Projects
Products built in-house, end to end: design, code, infrastructure and deployment.
A personal taste engine: rate, remember and rediscover the things you experience, starting with grocery products. Scan a barcode, rate it, and never wonder "did we like this one?" again.
Blazor WebAssembly · .NET 10 · MongoDB · Auth0 · Railway
tastelog.net, coming soon
A Raycast extension that puts the Roon music player at your fingertips: playback, volume and seeking, plus browsing your library and streaming services, without leaving the keyboard.
TypeScript · React · Raycast API · Roon API
Raycast Store, coming soon
Recommendations
Extracts from LinkedIn recommendations by people I worked with: teammates, leads, and managers.
He has impressed me with his ability to pay close attention to detail and fix complex problems. He has a great set of engineering principles and great collaborative skills. I would highly recommend him as a senior engineer in any team.
He excels at investigating intricate problems, making daunting tasks appear effortless, and taking the time to uncover the root of an issue rather than settling for quick fixes. His deep understanding and proactive approach ensure outstanding results.
He stands out not only for his technical expertise in backend technologies and the .NET framework, but also for his exceptional communication skills. He has a knack for effectively explaining complex concepts to both technical and non-technical stakeholders.
His background as quality assurance engineer is an amazing plus for any team. Always putting quality and testability first is an often forgotten trade. I consider him to be far more senior than his resume would let you believe.
As a developer, he is above average in the fundamentals like algorithms, operating systems and data models, which gives him a good abstraction capacity. He also has an unusual intellectual honesty, which makes working with him easy.
He is not afraid to dive in and properly solve the problems he is presented with. He is well at home in C# and has an excellent command of many front-end web technologies.
The full recommendations are on my LinkedIn profile, available upon request.
Contact
Looking for a senior .NET contractor? Tell me about your project.
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