Sebastian Belczyk
Software Engineer at Awumba
Poland
Summary
👤
Senior🎓
Top SchoolSebastian Belczyk is a versatile software engineer with 12 years of experience building distributed, service-oriented systems and consumer-facing frontends across finance, real estate, e-commerce and education. He combines deep .NET/C# backend expertise (with experience in F# and event-driven architectures) with practical React front-end design system work, currently shaping a school management platform and its design system. Sebastian has repeatedly led technical migrations and performance initiatives at scale—processing millions of GPS signals daily and coordinating large integration surfaces—while mentoring interns and driving architectural decisions. His background spans greenfield systems, microservices, Azure/Kubernetes deployments and search-driven retail platforms, reflecting a pragmatic focus on solving domain complexity rather than tool fetishism. An active community builder and presenter, he leads meetups and trainings to make complex ideas accessible, an approach that also informs his hands-on leadership. He holds an MSc in Applied Computer Science and brings a breadth of cross-domain experience that helps teams model tricky business processes effectively.
12 years of coding experience
7 years of employment as a software developer
MSc Applied computer science; Computer science in medicine and multimedia systems, MSc Applied computer science; Computer science in medicine and multimedia systems at AGH University of Krakow
Stackoverflow
885reputation
104kreached
20answers
12questions
Github Skills (60)
eventstore10
cqrs10
event-sourcing10
stream10
summernote10
database10
constructor9
yacc9
html-editor9
ace-editor9
wysiwyg9
text-editing9
lex9
parser8
lexical-analysis8
Programming languages (3)
Github contributions (5)
belczyk/robbo
Aug 2014 - Oct 2016
Contributions:67 commits, 1 PR, 1 push in 2 years 2 months
old-schoolbrowseratarigamesjavascript
belczyk/FsLexYacc
Jan 2015 - Aug 2022
Lexer and parser generators for F#
Contributions:10 pushes, 1 branch, 1 tag in 7 years 7 months
lexgeneratorsparsingparseryacc
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