Cosmin-mihai Sandu
Senior Software Engineer at Holycode™
Craiova, Romania
Summary
👤
Senior🎓
Top SchoolCosmin‑Mihai Sandu is a Senior Software Engineer with over 15 years of hands‑on experience building and modernizing web applications, specializing in PHP and Symfony across high‑scale e‑commerce and SaaS environments. A Certified Symfony developer, he has repeatedly led complex migrations (including multiple Symfony upgrades and PHP modernizations), implemented notification and loan management services, and introduced queueing and observability patterns to improve performance and scalability. He thrives as a remote consultant and freelancer, partnering with European clients—particularly Swiss and Romanian companies—to deliver secure, production‑ready systems and mentor teams on testing and best practices. Notably, his background spans both legacy rewrites and modern microservice work, from eMAG marketplace features to PIM and core banking integrations, reflecting a rare blend of legacy migration expertise and cloud‑native service design. He pairs technical depth with business awareness, holding a master’s in business management in addition to a software engineering degree from the University of Craiova. Open to new opportunities, he favors projects that require pragmatic engineering, performance tuning, and cross‑cultural collaboration.
11 years of coding experience
16 years of employment as a software developer
Software Engineer, Computer Software Department, Software Engineer, Computer Software Department at University of Craiova
Romanian, English
Github Skills (60)
symfony-bundle10
prepare10
bundle10
php-framework10
php10
symfony10
restful-api9
migration9
installer9
api9
migrate9
vagrant9
rest-api9
docker8
ruby8
Programming languages (5)
Github contributions (5)
cosminsandu/cosminsandu.github.io
Jul 2018 - Jun 2023
Contributions:11 pushes, 1 branch in 5 years
cosminsandu/software-design-principles
Oct 2019 - Mar 2024
Contributions:14 pushes in 4 years 5 months
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