Grzegorz Hołdys
UI Lead Developer at Insight Machines
Wrocław, Lower Silesian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolGrzegorz Hołdys is a UI Lead Developer and full-stack engineer with 10+ years of experience building front-ends and Java-based back-ends for banks and enterprise clients. He currently leads UI development at AMINA Bank, driving adoption of new frameworks, conducting code reviews, and mentoring teams while maintaining a long-running freelance consultancy, Insight Machines. His background spans low-latency Java systems, WPF/XAML, Vue.js front-ends, and hardware hacking, reflecting a hands-on, cross-disciplinary approach to problem solving. Comfortable moving between product work and infrastructure, he has a track record at organizations like Credit Suisse, BNY Mellon and Volvo IT delivering performant, testable UIs and services. Based in Wrocław, he pairs an engineer’s rigor from a Computer Physics degree with entrepreneurial experience in consulting and technical interviews.
10 years of coding experience
16 years of employment as a software developer
engineer Computer Physics, engineer Computer Physics at Wrocław University of Science and Technology
English, Polish
Github Skills (30)
unit-testing10
platformio10
mbed10
debugging10
debug10
alien10
stm32cube10
ide10
esp826610
cmsis10
risc-v9
verilog9
build-system9
firmware9
arduino9
Programming languages (3)
Github contributions (5)
chipKIT32/chipKIT-importer-2.0
Sep 2017 - Jan 2020
Next generation implementation, adding Atmel-based Arduino boards.
Contributions:23 pushes, 2 comments in 2 years 4 months
next-generationavratmelarduinombed
gholdys/nbpio
Mar 2016 - Jan 2020
Contributions:13 commits, 19 pushes, 1 branch in 3 years 9 months
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