Krzysztof Pieniążek
Staff Engineer at Equinix
Warsaw, Masovian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolKrzysztof Pieniążek is a Staff Engineer based in Warsaw with 11 years of experience designing and delivering backend systems using Java, Groovy, Spring Boot and domain-driven architectures. He has deep expertise in SQL/Oracle, messaging (ActiveMQ), and test-driven practices with Spock, and has applied DDD and Event Storming across finance, public sector and telecom domains. At HL Tech he contributed to tooling and an open-source SqlEventStore4J project, and now drives architecture and delivery at Equinix. Known for favoring hexagonal architectures and pragmatic automation (Docker, Kubernetes, CI/CD), he blends hands-on coding with system-level thinking to tame complex data flows. Colleagues rely on him for thoughtful design decisions that keep large, regulated systems auditable and resilient.
11 years of coding experience
13 years of employment as a software developer
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at Kielce University of Technology
Polish, English
Github Skills (25)
polyfills10
angularjs10
gwt9
custom-element9
shadow-dom9
angular8
polymer8
javascript8
lit-element7
web-components6
java4
component-library3
sql3
database3
mysql3
Programming languages (4)
Github contributions (5)
HLTech/SqlEventStore4J
Mar 2021 - Apr 2021
SQL based event store for java
Contributions:10 reviews, 16 commits, 21 PRs in 1 month
mysqlsqldatabasejavaevent-store
HLTech/SqlEventStore4JExamples
Apr 2021 - Aug 2022
Contributions:2 pushes in 1 year 4 months
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