A clean developer workspace with a laptop, notebook, and daylight.

Software developer

Sean Kuipers builds dependable software across web, backend, and testing.

I work on customer-facing flows, internal tools, integrations, and automation with a practical mix of frontend polish and backend reliability.

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Product-minded

Practical software development across customer workflows, internal tools, and automation.

Full-stack

C#, .NET, React, Angular, Laravel, GraphQL, SQL, and cloud deployment work.

Quality-minded

Accessibility, frontend testing, data imports, and maintainable customer workflows.

Selected work

Recent work in product, data, and automation.

C# / .NET / Sitecore

Customer-facing sales flows

Working on sales funnel improvements, frontend testing, accessibility support for WCAG compliance, and the transition from Oracle Service Bus to Azure.

Laravel / React / GraphQL

Backoffice release tooling

Built app-version release track management, flexible venue opening hours, dashboard screens, and ergometer force-curve visualizations.

C# / React / SQL

Product data model generation

Imported ETIM and GS1 standards into an internal data model and helped generate product information models that reduce manual Excel work.

Angular / C# / Azure

Client-focused internal web apps

Developed Angular applications for multiple client projects and contributed to backend work in C# and .NET for project-based delivery.

React / FastAPI / DICOM

Medical clinic backoffice

Building a platform for managing clinics, patients, employees, and medical studies, with an integrated DICOM viewer and FastAPI backend.

How I work

Clear implementation, useful automation, steady delivery.

C# .NET TypeScript React Angular Laravel FastAPI GraphQL PostgreSQL DICOM Azure Docker Kubernetes Playwright Accessibility

Available for useful work

Have a product that needs sharper execution?

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