Dirk Van Rensburg
Chief Technology Officer at Finity
Sydney, New South Wales, Australia
Summary
👤
Senior🎓
Top SchoolDirk Van Rensburg is a seasoned technology leader and current CTO based in Sydney with over 17 years in software development, architecture, performance engineering and cloud/DevOps. He has deep Java and Spring Boot roots from J2EE days through modern microservices, having led platform engineering and launch-readiness for financial, health and telecom systems. Dirk pairs hands-on engineering—automating CI/CD, Docker-based local dev, and AWS infrastructure with Jenkins, Packer, Ansible and CloudFormation—with a track record of diagnosing and resolving production performance bottlenecks. As Head of Platform Engineering and now CTO at Finity, he scaled platform practices and operational readiness across teams. He also contributes to open-source, improving Hazelcast test coverage and interceptor behavior, showing attention to correctness in distributed systems. A BSc (Hons) in Computer Science and longstanding certification pedigree (SCJP/SCWCD) underscore his blend of formal training and practical delivery.
11 years of coding experience
22 years of employment as a software developer
SCWCD, SCWCD at CS HoldingsBSc (Hons), Computer Science, BSc (Hons), Computer Science at University of Pretoria
Github Skills (8)
hazelcast10
javas10
distributed-systems10
java10
testing10
distributed-computing9
unit-testing9
caching8
Programming languages (6)
Github contributions (5)
hazelcast/hazelcast
Oct 2014 - Nov 2014
Hazelcast is a unified real-time data platform combining stream processing with a fast data store, allowing customers to act instantly on data-in-motion for real-time insights.
Role in this project:
Back-end Developer & QA Engineer/Test Automation Engineer
Back-end Developer & QA Engineer/Test Automation EngineerContributions:12 commits, 2 PRs, 9 comments in 7 days
Contributions summary:Dirk primarily contributed to the Hazelcast project by writing tests and fixing issues related to map interceptors. Their work involved adding tests for specific issues, improving existing tests to check values, and fixing the underlying code. The commits demonstrate a focus on ensuring the correct behavior of map interceptors, especially in scenarios involving node restarts and chaining, and improving the test coverage.
computationstream-processingbigtablereal-timestreaming-data
dirkvanrensburg/dirkvanrensburg.github.io
Jan 2017 - Sep 2017
Contributions:35 pushes in 8 months
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