Oliver Schrenk
Software Engineer at oschrenk
Haarlem, North Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolOliver Schrenk is a seasoned software engineer with 16 years of experience, based in Haarlem, Netherlands, who treats development as a craft and prioritizes clean, well-organized code. He works across the full stack with a strong leaning toward DevOps and functional programming, driving migrations from batch to queue-based systems and upgrading microservices in Scala. His consulting practice has helped launch websites and resilient services from the ground up while embracing CI/CD and agile workflows. Past roles include backend engineering for energy platform Vandebron, feature and experimentation work at Elsevier, and large-scale data and Spark migrations for travel and utility clients. Beyond code, he brings practical monitoring and orchestration experience (Kafka, Azure, Spark, Ansible) and a penchant for thoughtful system design. Outside work he recharges with sci-fi, specialty coffee, board games and yoga—an indication of a curious, disciplined thinker who values both creativity and routine.
16 years of coding experience
18 years of employment as a software developer
Bachelor of Science (B.Sc.), Bachelor of Science (B.Sc.) at University of Düsseldorf
English, German, Dutch
Stackoverflow
4,150reputation
243kreached
4answers
15questions
Github Skills (200)
displays10
piping10
command-line-interface10
vim10
fuzzy-finder10
chat10
command-line-tool10
scanner10
unix10
apple-silicon10
vte10
json10
slack-api10
karabiner10
package-manager10
Programming languages (25)
Github contributions (5)
platzhaltr/itemizr.js
Mar 2012 - Apr 2020
Parse line items on receipts in a natural way
Contributions:27 commits, 2 PRs, 7 pushes in 8 years 2 months
naturalparsereceiptsparser
oschrenk/plan.swift
Jul 2024 - Mar 2025
Companion cli for macOS Calendar.app
Contributions:23 releases, 3 PRs, 97 pushes in 8 months
calendaricalmacos
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