Jan Varga
Principal Engineer at Commonwealth Bank
Greater Sydney Area Australia
Summary
🤩
Rockstar🎓
Top SchoolJan Varga is a Principal Engineer with 20 years of experience building and leading cloud-first infrastructure, automation and SRE practices across major Australian enterprises including Commonwealth Bank, Quantium and Optus. He blends hands-on systems and backend engineering (notably contributions to Firefox’s gecko IndexedDB and the web-platform-tests suite) with strategic delivery of complex cloud migrations, CI/CD and operational optimisation. Jan has a track record of moving organisations to automated, resilient platforms while managing stakeholders and shaping cross-functional teams. He writes about engineering practice and leadership at 8ft0.com, bringing a practitioner’s voice to architecture and culture topics. Educated in physics and IT, he combines analytical rigor with practical product-minded engineering. Colleagues know him for turning messy legacy estates into repeatable, automated delivery pipelines that drive measurable business value.
20 years of coding experience
20 years of employment as a software developer
MappFin (Finsia) Applied Finance and Investment, MappFin (Finsia) Applied Finance and Investment at Securities Institute of AustraliaBSc (hons) Physics, BSc (hons) Physics at Imperial College LondonMSc IT, MSc IT at De Montfort University
German
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (19)
javascript10
c-language10
testing10
test-runner10
browser10
resource-management10
firefox10
indexeddb10
management10
dom-api10
cprogramming-language10
test-automation10
quota10
multithreading9
memory-management9
Programming languages (6)
Github contributions (5)
mozilla/gecko-dev
Jan 2012 - Jan 2023
SUPERSEDED by https://github.com/mozilla-firefox/firefox. Read-only Git mirror of the Mercurial gecko repositories at https://hg.mozilla.org
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1180 commits in 11 years 2 months
Contributions summary:Jan primarily contributed to the IndexedDB implementation within the Gecko browser engine, adding and modifying features related to quota management and database operations. Their commits addressed issues within the backend code, including the addition of methods like `OnResults` and `DoMaintenance`, related to storage management, as well as contributions focused on enhancing and refactoring functionality of IndexedDB database manager with directory locking. They also worked on improving database-related code and implemented tests.
firefoxgit-mirrormercurialmozilla-firefox
web-platform-tests/wpt
Nov 2018 - Nov 2018
Test suites for Web platform specs — including WHATWG, W3C, and others
Role in this project:QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:1 review, 1 commit in 1 day
Contributions summary:Jan's contributions focus on improving the testing infrastructure and methodology of the web-platform-tests repository. Their work includes fixing race conditions in existing tests, refactoring code to enhance storage clearing, and converting subsuites to variants. Their commits modify test scripts and browser configuration files to ensure the tests' accuracy and completeness across various browsers, particularly Firefox, and update test functionality to better match the requirements of web standards specifications.
w3ctestingtest-automationbrowserwhatwg
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