Jacek Treszczyński
Software Architect Team Lead Senior Java Developer at MIKRONIKA Sp. z o.o.
Greater Poland Voivodeship
Summary
👤
Senior🎓
Top SchoolJacek Treszczyński is a seasoned Software Architect and Team Lead with 11 years of professional experience driving Java-based solutions at MIKRONIKA in Greater Poland. He combines hands-on senior Java development with architecture and team leadership, progressing through roles from developer to architect within the same company. Pragmatic and creative, he focuses on reliable, maintainable systems and mentors teams to deliver on ambitious schedules. An active contributor to the Play Framework ecosystem, he has hands-on experience upgrading logging infrastructure (log4j 1.x to 2.x) and resolving dependency and configuration issues in widely used open-source code. Trained as an automation and control engineer (Mgr inż.) at Poznan University of Technology, he brings a systems-thinking approach to software design. Known for responsibility, self-reliance and a growth-oriented mindset, he balances technical depth with collaborative leadership.
11 years of coding experience
Magister inżynier (Mgr inż.) Automatyka i Zarządzanie, Magister inżynier (Mgr inż.) Automatyka i Zarządzanie at Poznan University of TechnologyI LO Carolinum
English, French
Github Skills (4)
java10
javas10
playframework10
testing9
Programming languages (5)
Github contributions (5)
playframework/play1
Jan 2022 - Apr 2022
Play framework
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 review, 10 commits, 3 PRs in 2 months
Contributions summary:Jacek's commits primarily involve upgrading the logging framework within the Play framework from log4j 1.x to log4j 2.x. The changes include modifications to the Logger class, including the addition of new logging functionality, configuration adjustments, and improvements to logging in test environments. The user also made adjustments to address potential configuration issues and dependency updates related to the slf4j-api library.
agileplay-frameworkframeworkjavaweb-framework
jacol84/mija-hex
May 2020 - Aug 2020
https://better-coding.com/pl/
Contributions:4 releases, 4 PRs, 116 pushes in 2 months
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