Tomek Kolasa
Engineering Manager, Web Performance Lead at Canva
Sydney, New South Wales, Australia
Summary
👤
Senior🎓
Top SchoolTomek Kolasa is an engineering manager and web performance lead based in Sydney with 12 years of hands-on experience building and scaling web and cloud-native systems. He combines full-stack expertise—from API and database design to frontend optimisation—with production-grade DevOps practices, having implemented CI/CD, microservices and infrastructure automation across AWS, Docker and Kubernetes. At Canva he progressed from Senior Software Engineer to lead web performance efforts, driving measurable improvements in stability and load-time at scale. His background spans startups to enterprise projects, including building bi-temporal graph models, high-throughput exchange engines, and mobile apps, reflecting a strong appetite for complex data and system design. Tomek’s analytical approach and history of tooling and documentation improvements (e.g., extended API doc generation) show he prefers durable, developer-friendly solutions over quick fixes. He pairs a research-minded curiosity—evident from his PhD work on mobile well-being—with pragmatic delivery and stakeholder collaboration.
12 years of coding experience
14 years of employment as a software developer
Master, Computer Science, Master, Computer Science at Technical University of Wroclaw
English, Japanese, Polish
Github Skills (91)
cryptocurrency10
monero10
wallet10
javascript10
validation10
xrp10
obsolete10
ripple10
bitcoin10
nano10
nodejs10
zcash10
segwit10
ethereum10
litecoin10
Programming languages (5)
Github contributions (5)
ognus/wallet-address-validator
May 2015 - Nov 2018
Useful library for validation of Bitcoin, Litecoin, Ethereum and other cryptocoin addresses
Contributions:13 releases, 53 commits, 33 PRs in 3 years 6 months
bitcoin-cashsignethereumwalletsegwit
ognus/tomekkolasa.com
Jul 2020 - Sep 2022
Source code for my personal blog https://tomekkolasa.com. Build with Gatsby, React, and CSS-in-JS.
Contributions:7 PRs, 16 pushes, 3 branches in 2 years 2 months
gatsbyreactemotionjscsscss-in-js
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