Sergiusz Kierat
Senior Software Engineer II at RUNIT
Poland
Summary
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Rockstar🎓
Top SchoolSergiusz Kierat is a senior software engineer with 11 years of experience who transitioned from Java to a passion for Scala, Akka, Play Framework and functional programming. He founded RUNIT in 2014 to deliver reactive applications and now combines entrepreneurial experience with subcontracting and an in-house role at SoftwareMill. Comfortable in Linux environments, he focuses on building resilient, distributed systems and pragmatic reactive architectures. Known to sign the Reactive Manifesto early on, he brings long-term commitment to reactive principles alongside hands-on implementation skills. Based in Poland, he balances engineering life with family roles as a husband and father, which feeds his pragmatic, reliability-first approach to software delivery.
11 years of coding experience
8 years of employment as a software developer
Warsaw University of TechnologyIV High School. H. Sienkiewicz in Częstochowa
Stackoverflow
149reputation
7kreached
1answer
3questions
Github Skills (156)
actor-framework10
http10
swagger10
http-client10
declarative10
cloud-native10
openapi10
actor-model10
concurrency10
streaming10
sttp10
reactive10
zio10
akka10
akka-streams10
Programming languages (9)
Github contributions (5)
sergiuszkierat/sergiuszkierat.github.io
May 2015 - Jan 2020
Contributions:113 pushes, 4 branches in 4 years 8 months
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