I'm Lukasz, Senior Backend Engineer based in Toronto, originally from Poland. I work in Kotlin, Java, and PHP, mostly on high-throughput systems. I write about software dev occasionally at lzag.dev and you can find me on LinkedIn.

Software Developer @ Betr · May 2023 – present · Toronto
Backend development on a live sports betting platform, working across microservices that handle high-frequency, low-latency data pipelines.
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Software Developer @ FansUnite (acquired by Betr) · Mar 2022 – May 2023 · Toronto
Backend development on a sports gaming platform, building and maintaining APIs, implementing new features, and improving system performance.
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Software Developer @ Lifeline Design · Aug 2020 – Feb 2022 · Toronto
Delivered a full-stack email application and led development of a custom insurance ERP system built on the LAMP stack.
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Solutions Engineer @ Adsmurai · Oct 2019 – Mar 2020 · Barcelona
Developed custom PHP integrations between client systems and Google Cloud Platform, automating workflows and reducing manual overhead for the operations team.
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Solutions Engineer @ Inbenta · Oct 2018 – Oct 2019 · Barcelona
Owned the full project lifecycle for AI chatbot deployments, from gathering client requirements through delivery, testing, and post-launch support.
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