Constantin Bejenaru
PHP Technical Lead at Frozenminds
Cluj-Napoca, Romania
Summary
👤
Senior🎓
Top SchoolConstantin Bejenaru is a PHP Technical Lead with 14 years of experience designing and delivering high-quality, scalable web services and APIs from Cluj-Napoca, Romania. He combines deep expertise in PHP and Symfony with practical skills in Golang, Lua, Nginx and performance tuning to optimize systems for large datasets and high throughput. At Evozon and through his freelance studio Frozenminds he has led backend architecture, database design and integrations across mid-size to enterprise projects, often improving caching and Redis-based workflows. An active contributor to open-source tooling, he has optimized Redis tag-removal scripts—addressing edge cases and Lua stack configuration—to boost real-world performance in popular Magento-related repos. His background in computer science and a master’s in business management helps him bridge technical design with pragmatic delivery and process modeling.
14 years of coding experience
4 years of employment as a software developer
Universitatea Babeș-Bolyai din Cluj-NapocaBaccalaureate, Computer Science, Baccalaureate, Computer Science at Joseph Haltrich
English, Romanian, German
Stackoverflow
824reputation
140kreached
34answers
1question
Github Skills (12)
lua10
caching10
redis10
zend-framework9
php8
magento8
striptags6
cron6
datetime6
javascript6
datediff6
architecture6
Programming languages (5)
Github contributions (5)
colinmollenhour/Cm_Cache_Backend_Redis
May 2014 - Jun 2014
A Zend_Cache backend for Redis with full support for tags (works great with Magento)
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 commits in 3 days
Contributions summary:Constantin focused on optimizing and refining the Redis cache backend implementation. Their contributions involved fixing issues within the Lua script used for tag removal, addressing edge cases related to large datasets. The user also introduced configurable steps for processing keys within the Lua script, thereby increasing its performance, and updated parameter names to ensure optimal compatibility with the Redis environment. Furthermore, the user updated the code by implementing the correct stack size parameter to align with Lua configurations.
zendredismemcachecache-backendphp
frozenminds/frozenminds.github.io
Oct 2015 - Mar 2021
Contributions:10 pushes in 5 years 6 months
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