Krzysztof Grajek
Solution Architect at Softberries
Elbląg, Warmian-Masurian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolKrzysztof Grajek is a Solution Architect with over 15 years of experience designing enterprise-grade systems for financial and educational institutions, currently leading architecture at SoftwareMill. A certified Google Cloud and Oracle architect, he brings deep JVM expertise—especially Java and Scala—and a strong affinity for functional programming using libraries like Cats, http4s, and Tapir to build type-safe, maintainable systems. He combines hands-on engineering with entrepreneurship as founder of Softberries, and is expanding into strategic leadership through an MBA in IT. Recently he has become an active advocate for Rust, promoting its memory-safety and concurrency benefits to production teams. Based in Poland, he balances technical curiosity with practical delivery, often blending experimental language exploration with robust enterprise requirements. Outside work he’s learning Spanish and channels steady curiosity into community outreach and developer advocacy.
15 years of coding experience
3 years of employment as a software developer
Master of Business Administration - MBA Information Technology, Master of Business Administration - MBA Information Technology at Kozminski UniversityBachelor of Science Internet Computing, Bachelor of Science Internet Computing at University of GreenwichUniwersytet Warmińsko-Mazurski w Olsztynie
English, Polish, Spanish
Stackoverflow
5,752reputation
839kreached
283answers
28questions
java
top-5%
Github Skills (34)
jakartaee9
java9
skeleton8
jpa6
playframework6
user-registration6
database6
hibernate6
scala6
eclipse-plugin6
jvm6
postgresql6
spring-roo6
angular5
audio5
Programming languages (6)
Github contributions (5)
softwaremill/modem-connector
Nov 2016 - Dec 2016
Contributions:81 commits, 20 PRs, 63 pushes in 1 month
audio-signalsham-radioaudiohamradio
softwaremill/gcp-goodies
Sep 2019 - Oct 2019
Contributions:127 commits, 89 pushes, 3 branches in 1 month
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