Sergey Zavarzin
Web-developer at Global Training Network
Ukraine
Summary
👤
Senior🎓
Top SchoolSergey Zavarzin is a results-driven web developer with about 12–15 years of professional PHP experience, specializing in Typo3 (Extbase/Fluid) and Moodle plugin/theme development. He designs backend architectures, builds integrations and REST APIs, and optimizes performance and SEO for scalable corporate sites and e-learning platforms. At Global Training Network he created reusable PHP modules, led LMS migrations, and integrated Moodle with payment gateways, CRMs and SSO, demonstrating both hands-on coding and system-level interoperability. Comfortable with Docker, CI/CD, Git and Linux, he also applies security best practices and OAuth2/SAML authentication in production systems. A former engineer in industrial computer systems, Sergey combines deep legacy-system understanding with modern CMS and DevOps workflows, often mentoring junior developers to raise team standards.
12 years of coding experience
Master Degree, Information Technology, Master Degree, Information Technology at Donbas State Mechanical Engineering Academy
Украинский, Английский
Github Skills (2)
react9
javascript9
Programming languages (2)
Github contributions (5)
gtn/moodle-block_exastats
Mar 2020 - Apr 2023
Contributions:9 pushes in 3 years 2 months
gtn/exaplan
Oct 2021 - Mar 2023
Contributions:58 pushes in 1 year 5 months
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