Szymon Tosik
Software Engineer at Revolut
Warsaw, Masovian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolSzymon Tosik is a seasoned software engineer with 9 years' experience building high-throughput, domain-oriented systems across payments, telecoms, and fintech. He combines a customer-first mindset with strong DDD and TDD discipline to design resilient microservices and real-time monitoring for transactional platforms. Notable achievements include doubling payment system throughput, building monitoring and payment introspection tooling, and scaling services that processed tens of millions of operations daily. Based in the Greater Barcelona area, he actively drives technology adoption (Kafka, Kotlin) and knowledge sharing across teams. Behind the scenes he brings a problem-solving, metrics-driven approach that favors observable, maintainable systems over quick fixes.
9 years of coding experience
7 years of employment as a software developer
Inżynier (Inż.) Informatyka, Inżynier (Inż.) Informatyka at Lodz University of Technology
English, Polish, Spanish
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (53)
java9
spring9
spring-boot9
kotlin8
async7
asynchronous7
connected7
spring-security7
effort7
jooq7
jpa7
sql-builder6
rest-api6
sql-formatter6
code-generator6
Programming languages (4)
Github contributions (5)
stosik/Parking-Lot
Jun 2018 - Apr 2019
Contributions:7 PRs, 39 pushes, 5 branches in 10 months
sh1nen/krs-knn
Mar 2018 - May 2018
Contributions:35 commits, 26 pushes, 4 branches in 2 months
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