Adam Sajko
Senior Software Engineer at Callstack
Greater Poland Voivodeship
Summary
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SeniorAdam Sajko is a senior full-stack software engineer with nearly a decade of professional experience, now focused on React and React Native development at Callstack. He has progressed through hands-on roles at STX Next, Wakacje.pl, and as a technical consultant at BrokerBlocks, delivering production web and mobile applications across diverse domains. Adam blends front-end expertise with full-stack intuition, shipping user-facing features while understanding backend integration and delivery concerns. Based in Greater Poland, he pairs practical product-first engineering with a playful GitHub presence (◕‿◕), suggesting a collaborative, approachable style that thrives in team-oriented, open-source-friendly environments.
9 years of coding experience
9 years of employment as a software developer
English
Github Skills (115)
redux-persist10
redux-store10
reanimated10
bottomsheet10
datepicker10
datetimepicker10
bottom10
storage10
android10
react-native10
redux-middleware10
redux10
react-native-date-time-picker10
react10
persist10
Programming languages (4)
Github contributions (5)
callstack-internal/adam-sajko-onboarding
Jun 2024 - Jul 2024
Contributions:8 PRs, 32 pushes, 2 branches in 25 days
pro-nasa/srodowisko_programisty2016
Oct 2016 - Jan 2017
Contributions:12 PRs, 14 pushes, 2 branches in 2 months
labski
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