Principal Software Developer at Rada Miejska w Łomiankach
Warsaw, Masovian Voivodeship, Poland
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Summary
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Senior
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Janusz Skonieczny is a Principal Software Developer with over a decade of experience building backend Python web applications, chiefly with Django and Google App Engine. He combines hands-on engineering with product-focused architecture, having founded and scaled a grade-book SaaS that he later sold, and led design and production for a dozen medium-sized enterprise systems. Janusz is a pragmatic advocate for agile practices, CI/CD, hexagonal architecture and tactical/strategic DDD, driving measurable quality improvements like moving tests down the pyramid and achieving near-100% test coverage. He mentors teams on reliability and automation, shapes observability for Kubernetes production systems, and has a track record of reducing compliance overhead while conforming to standards such as ISO 9001. Based in Warsaw, he also applies his technical leadership in civic service as a city council member, bringing a real-world perspective to technology-enabled public and commercial services.
12 years of coding experience
20 years of employment as a software developer
Warsaw University of Technology
Wladyslawa Orkana
Technik Elektronik, Digital Electronics, Technik Elektronik, Digital Electronics at Engineering High school (Technikum elektroniczne gen. Zajączka)
HND, Electronic and Electrical Engineering, HND, Electronic and Electrical Engineering at Fife College of Further and Higher Education
Aplikacja pomagająca w organizacji pracy sekretariatu szkoły
Contributions:2 PRs, 175 pushes, 4 branches in 9 months
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Janusz Skonieczny - Principal Software Developer at Rada Miejska w Łomiankach