Erik Van Oosten
Senior Software Engineer at DuurSaam Houtvaartkwartier
Haarlem, North Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolErik Van Oosten is a senior software engineer with 14+ years building high-traffic, scalable data and consumer products across companies like eBay, NewMotion and Adevinta, and now TomTom. He combines deep backend expertise in Scala, Kafka, Spark and distributed systems with a pragmatic focus on product-quality engineering rather than one-off projects. An active open-source maintainer and contributor to the popular ZIO ecosystem (and author of zio-kafka and other Scala libraries), he improves developer ergonomics and reliability in concurrent systems. A hands-on individual contributor and team player, he leads by example and mentors peers while still learning from them. Outside work he volunteers locally on sustainability initiatives, reflecting a practical, community-oriented approach to problem solving.
14 years of coding experience
26 years of employment as a software developer
ir., Master of Science (M.S.), Informatica (computer science), ir., Master of Science (M.S.), Informatica (computer science) at University of Twenteing., Bachelor of Science (BS), ing., Bachelor of Science (BS) at Hogeschool West-Brabant
Stackoverflow
1,655reputation
266kreached
41answers
7questions
Github Skills (17)
asynchronous10
async10
zio10
scala10
functional-programming10
stm10
concurrency10
unit-testing9
refactoring8
maven6
thrift6
specification6
data-format6
intellij-idea6
java6
Programming languages (19)
Github contributions (5)
zio/zio
Jun 2021 - Nov 2022
ZIO — A type-safe, composable library for async and concurrent programming in Scala
Role in this project:
Back-end Developer
Back-end DeveloperContributions:14 reviews, 3 commits, 15 PRs in 1 year 4 months
Contributions summary:Erik primarily contributed to the ZIO library, focusing on refining existing features and fixing bugs related to the core functionality. Their work included updating the default behavior of the `jittered` schedule, extending its documentation, and preventing implicit widening to Double in counter metrics. They also implemented new methods in the `Ref` class to match the functionality of `AtomicInteger` and `AtomicLong`, improving the usability and completeness of the library. Furthermore, the user addressed a bug in `ScheduleSpec` and deprecated accessor methods, indicating a focus on code quality and developer experience.
functional-programmingqueuesstreamsasynchronicityasync
erikvanoosten/scala-steward
Sep 2018 - Nov 2024
:robot: A robot that helps you keeping your Scala projects up-to-date
Contributions:3 pushes in 6 years 2 months
robotup-to-datescalasbtkeeping
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