Adam Lesiak
Senior Fullstack Developer at apreel
Warsaw, Masovian Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolAdam Lesiak is a Senior Fullstack Developer with 13 years of hands-on experience building Java-based web applications and cloud-enabled services, currently driving delivery at apreel. He combines deep expertise in Spring (Boot, MVC, Data, Security), Hibernate, RESTful APIs and microservices with front-end work in React and jQuery, plus operational experience with Docker, Elasticsearch and MongoDB. Adam has progressed from early Java web and server administration roles to tech lead responsibilities, blending practical system administration know-how with modern cloud-native development. Based in Warsaw, he pairs a MSc in Physics with a databases background, an unusual combination that fuels a pragmatic, analytical approach to software design. Known for steady senior contributions at companies like Clurgo and Ocado Technology, he favors reliable, maintainable architectures and mentoring teams through complex integrations.
13 years of coding experience
16 years of employment as a software developer
Master of Science (MSc) Physics, Master of Science (MSc) Physics at University of WarsawData bases, Data bases at WIT Academy
English
Stackoverflow
23,858reputation
1.4mreached
772answers
54questions
type-conversion
top-5%
java
top-1%
spring
top-5%
maven
top-5%
javascript
top-5%
hibernate
top-5%
Github Skills (120)
postgresql10
testing10
db210
log4j10
database-management10
rest-api10
client-library10
continuous-testing10
continuous-delivery10
liquibase10
mocks10
api10
rest10
sql10
database10
Programming languages (6)
Github contributions (5)
lesiak/snippets-of-knowledge
Oct 2016 - Feb 2025
Contributions:386 pushes, 1 branch in 8 years 6 months
lesiak/angular_udemy_maximilian_schwarzmuller
May 2019 - Nov 2019
Contributions:15 PRs, 230 pushes, 13 branches in 6 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.