Rinus Wiskerke
Freelance Kotlin Scala Developer - Inventory & Repair Solutions at Wiskerke IT B.V.
Gelderland, Netherlands
Summary
👤
Senior🎓
Top SchoolRinus Wiskerke is a pragmatic Scala and Kotlin developer with over 10 years of experience building scalable, production-grade backend systems for e-commerce and logistics, and today freelances on inventory and repair solutions at DHL eCommerce Nederland. He focuses on reliable, easy-to-maintain code and has deep experience with streaming and distributed systems (Akka, Kafka, AWS) from multi-year projects at wehkamp and DHL. As owner of Wiskerke IT he pairs consultancy with hands-on delivery, and contributes to open-source tooling—improving Tapir's OpenAPI schema generation to better handle optional fields and Scala compatibility. Curious about systems-level languages, he is exploring Rust to complement his strengths in high-concurrency Scala services. Based in Gelderland, Netherlands, he brings a practical, developer-friendly mindset that emphasizes clear APIs and maintainable documentation.
10 years of coding experience
15 years of employment as a software developer
Bachelor’s Degree Software Engineering, Bachelor’s Degree Software Engineering at Hanze
Dutch, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (9)
api10
openapi10
apidoc10
scala10
documentation9
functional-programming8
type-safety7
typesafe7
akka-http7
Programming languages (3)
Github contributions (5)
softwaremill/tapir
Dec 2021 - Jun 2022
Rapid development of self-documenting APIs
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 commits, 3 PRs, 3 comments in 5 months
Contributions summary:Rinus focused on enhancing the API specification and documentation generation capabilities within the `tapir` framework. They modified code to correctly handle optional fields and nullability in OpenAPI schemas. Their contributions involved updating schema generation logic, adding configuration options, and ensuring compatibility with Scala 2.12. These changes aimed to improve the accuracy and completeness of the generated API documentation.
functional-programmingendpointsobservabilityhttp4ssttp
rwiskerke/tapir
Dec 2021 - Jan 2023
Declarative, type-safe web endpoints library
Contributions:7 pushes, 5 branches in 1 year
declarativeendpointstype-safetypescriptsafe
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