Viktor Klang
Software Architect at Oracle
Summary
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RockstarViktor Klang is a Software Architect with hands-on experience contributing to the OpenJDK project as part of Oracle's Java Platform Group. In a short but focused career he has worked on core JDK components — fixing bugs, optimizing concurrency primitives, Atomic operations, Spliterators, and improving CompletableFuture and Stream behaviors in java.util. He blends deep knowledge of Java internals with practical engineering, shipping changes to one of the most widely used and scrutinized open-source runtimes. Based in Sweden, he brings an engineer’s attention to correctness and performance, plus experience navigating large, collaborative codebases. Notably, his contributions touch critical areas of the JDK where subtle fixes can improve correctness and throughput for millions of Java applications.
3 years of coding experience
Github Skills (11)
javas10
openjdk10
jvm10
atomic10
java10
concurrency10
atomics10
data-structure9
algorithm9
data-structures9
algorithms9
Programming languages (1)
Github contributions (5)
openjdk/jdk
Jan 2023 - Jan 2023
JDK main-line development https://openjdk.org/projects/jdk
Role in this project:
Back-end Developer
Back-end DeveloperContributions:392 reviews, 6 commits, 65 PRs in 22 days
Contributions summary:Viktor primarily focused on the Java programming language, contributing to the core Java Development Kit (JDK) codebase. Their work involved fixing bugs, optimizing code, and improving the documentation, specifically dealing with concurrency, Atomic operations, and Spliterators. The user also modified parts of the code related to CompletableFuture and Stream operations within the project. Additionally, they addressed issues in the java.util package by modifying various files.
openjdkjavajvmjdk
viktorklang-ora/jdk
Sep 2022 - Feb 2025
JDK main-line development https://openjdk.org/projects/jdk
Contributions:107 pushes, 65 branches in 2 years 5 months
openjdkjavajdk
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