Islon Scherer
Software Engineer at Apple
Zurich, Zurich, Switzerland
Summary
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Rockstar🎓
Top SchoolIslon Scherer is a seasoned software engineer with 15 years of cross-disciplinary experience building backend systems, currently contributing to Apple from Zurich. He has a strong functional-background in Clojure plus extensive Java/Kotlin and cloud-service experience from leading backend work at REWE Digital and earlier roles, and has shipped services integrating databases like Postgres, MongoDB and DynamoDB. At Apple he contributed to pkl, a configuration-as-code project, improving parsing, tooling and performance—evidence of a pragmatic focus on developer ergonomics and meaningful low-level optimization. Comfortable across web, game and distributed systems, he combines deep implementation skills with a track record of refactoring and stabilizing complex codebases.
15 years of coding experience
15 years of employment as a software developer
Bachelor, Computer Science, Bachelor, Computer Science at Universidade Federal de Santa Catarina
English, German
Stackoverflow
1,187reputation
115kreached
9answers
12questions
Github Skills (21)
parser10
configuration-management10
java10
javas10
configuration-file10
configurations10
validations9
validation9
kotlin9
functional-programming8
testing8
json7
haskell6
clojure6
nodejs6
Programming languages (13)
Github contributions (5)
apple/pkl
Feb 2024 - Mar 2025
A configuration as code language with rich validation and tooling.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:238 reviews, 67 PRs, 51 pushes in 1 year 1 month
Contributions summary:Islon primarily focused on improving the Pkl configuration language and its tooling. They addressed bugs in the CLI and property parsing, enhanced the functionality of the reflect library, and implemented performance improvements by removing hidden modifiers and optimizing the parser. Additionally, the user added a test to check for out of sync snippets. They also contributed to the refactoring of the codebase.
configconfigurationdatajavajson
stackoverflow/novah
Feb 2020 - Dec 2022
novah language
Contributions:7 releases, 824 commits, 147 PRs in 2 years 10 months
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