Grzegorz Kapica
Senior Java Software Engineer at Sii Poland
Subcarpathian Voivodeship, Poland
Summary
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Rockstar🎓
Top SchoolGrzegorz Kapica is a Senior Java Software Engineer with 11 years of experience designing and delivering backend systems, now based in the Subcarpathian region of Poland. He has a strong track record building Java and Spring-based web applications and, more recently, serverless microservices on AWS where he drove a 90% API response-time improvement through data-access optimization and caching. Experienced with SSO, authorization services, DynamoDB and cloud cost/observability trade-offs, he blends hands-on implementation with architectural evaluation and technical debt backlogging. Grzegorz holds a Master’s in Computer Engineering from Rzeszow University of Technology and pairs client-facing communication skills from earlier roles with a focus on scalable, secure production systems. Notably, he transitioned from traditional JVM stacks to cloud-native serverless patterns, demonstrating adaptability and a pragmatic approach to performance and operability.
11 years of coding experience
10 years of employment as a software developer
Master's degree Computer engineering, Master's degree Computer engineering at Rzeszow University of Technology
Polish, English
Stackoverflow
61reputation
6kreached
3answers
0questions
Github Skills (25)
permission9
acl9
auth8
abac8
matlab8
authorization8
authz8
nodejs8
rbac8
access-control8
middleware7
javascript7
casbin7
jwt7
authentication7
Programming languages (1)
Github contributions (5)
grzegorz-kap/Calc
Oct 2014 - Aug 2015
Contributions:281 commits, 5 PRs, 22 pushes in 10 months
compilerprogramming-languageinterpretermatlab
grzk695/angular-quizz
Feb 2016 - Feb 2016
Contributions:2 PRs, 1 push, 2 branches in 1 day
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