Bartosz Cieśla
Java Software Developer at MESPAS
Wrocław, Lower Silesian Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolBartosz Cieśla is a Java software developer with six years of experience building cloud-native and enterprise systems across maritime, translation management, and banking domains. He has hands-on expertise with modern Java (including Java 21), Spring Boot, microservices, GCP, event sourcing, and databases like PostgreSQL and Cassandra, plus front-end experience with TypeScript/Angular and legacy UIs in Swing. At MESPAS he contributes to technical ship management software, after delivering scalable translation and 3D‑secure banking systems that balanced event-driven architecture and regulatory/security concerns. Known as a fast learner and collaborative teammate, he combines production-grade backend engineering with occasional full-stack touches and a practical focus on maintainability. Based in Wrocław, he brings an engineering degree from Politechnika Krakowska and a track record of adapting across industries and tech stacks.
7 years of coding experience
4 years of employment as a software developer
Inżynier (Inż.), Computer Science, Inżynier (Inż.), Computer Science at Politechnika Krakowska im. Tadeusza Kościuszki
Polish, English, Russian, German
Github Skills (24)
messaging10
http10
apache10
quic10
tcp10
rust10
streaming10
doxygen9
git5
simulation5
cpp4
authentication2
audio-files2
ogg-vorbis2
python2
Programming languages (5)
Github contributions (5)
BartoszCiesla/war_card_game
Mar 2023 - Sep 2025
War (card game) simulation
Contributions:25 reviews, 46 PRs, 112 pushes in 2 years 6 months
simulation
BartoszCiesla/iggy
Mar 2025 - Mar 2025
Apache Iggy: Hyper-Efficient Message Streaming at Laser Speed
Contributions:4 PRs, 73 pushes, 4 branches in 11 days
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