Adam Kusmierz
Senior Software Engineer at Apollo.io
Krakow, Lesser Poland Voivodeship
Summary
👤
Senior🎓
Top SchoolAdam Kusmierz is a senior software engineer and product engineering leader with nearly 20 years of experience building full-stack, API-first products and leading cross-functional teams from concept to commercial launch. Former Head of Product Engineering at VirtusLab, he architected and delivered a bespoke financial system that became critical to company operations and reduced administrative costs through careful data migration and scalable design. Comfortable bridging design and engineering, he has led UX/UI teams, managed business units, and driven pre- and post-sales technical engagement while coaching mid-level managers. His background spans startups and tech leaders including Google and contributions to open-source projects such as Zend Framework and enhancements to the Jobby cron library, reflecting a pragmatic focus on robustness and testing. Based in Krakow, he pairs technical depth across front-end, back-end and infrastructure with product sensibility and a knack for translating vague business ideas into operational systems. An avid photographer and aspiring glider pilot, he brings creative curiosity and hands-on tinkering with electronics into his engineering approach.
12 years of coding experience
19 years of employment as a software developer
Master of Science (M.Sc.) Computer Software Engineering, Master of Science (M.Sc.) Computer Software Engineering at Gdańsk University of Technology
Polish, English
Github Skills (11)
closures10
closure10
serialization10
zend-framework10
php10
data-serialization10
phpunit10
testing10
web-framework9
application-framework9
app-framework9
Programming languages (22)
Github contributions (5)
jobbyphp/jobby
Aug 2014 - Aug 2014
Manage all your cron jobs without modifying crontab. Handles locking, logging, error emails, and more.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:9 commits in 1 day
Contributions summary:Adam focused on improving the closure serialization and deserialization process within the Jobby framework. They refined the `isFunction` method to accurately identify serialized closures and implemented improvements in the `Helper` class for closure handling. Additionally, the user addressed potential errors and fixed several tests related to the serialization and deserialization of closures, contributing to the robustness and reliability of the library.
cronlogging
zendframework/zendframework
Jan 2015 - Jan 2015
Official Zend Framework repository
Role in this project:QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:7 commits, 1 PR, 6 comments in 2 days
Contributions summary:Adam primarily contributed to the testing infrastructure of the Zend Framework repository. Their commits focused on creating and modifying test cases, specifically within the `ZendTest` namespace. The changes involved testing various components, including routers and priority lists, ensuring the framework's functionality and stability. The user also reverted some changes, which further emphasizes their role in maintaining the integrity of the tests.
zend-framework
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