Leonid Kuzmin
Gunner-medic at IntellectEU
Kyiv, Ukraine
Summary
👤
Senior🎓
Top SchoolLeonid Kuzmin is a seasoned full-stack software engineer with 13 years of experience building robust web backends and leading teams through integration and delivery challenges. He specializes in backend systems and databases (MySQL, PostgreSQL, Redis, MongoDB) while also driving modern front-end work with Angular, React and REST APIs as a former full‑stack team lead. At elastic.io he progressed from developer to technical architect and branch manager, shaping an iPaaS used by enterprise customers and owning CI/CD and deployment practices. An active contributor to the Phinx migrations library, he’s improved core database migration features—demonstrating deep practical knowledge of schema and migration intricacies. Based in Kyiv, Leonid combines pragmatic engineering with operational discipline and a knack for smoothing the handoff between front and back ends to deliver fast, reliable applications.
13 years of coding experience
14 years of employment as a software developer
Master’s Degree, Applied Math, Master’s Degree, Applied Math at Taurida 'V. I. Vernadskiy' National University, Simferopol
Ukrainian, English
Github Skills (7)
database-migrations10
php10
database-migration10
mysql10
phinx10
sql9
database-design9
Programming languages (13)
Github contributions (5)
cakephp/phinx
Nov 2012 - Dec 2012
PHP Database Migrations for Everyone
Role in this project:
Backend & Database Engineer
Backend & Database EngineerContributions:10 commits in 1 month
Contributions summary:Leonid contributed to the core functionality of the `phinx` library, focusing on database migration features. Their work included fixing index declarations and adding foreign key support, directly impacting how tables are structured and managed. They implemented a 'test' command to validate configuration files, improving the usability of the library. Additionally, the user enhanced code related to column handling, including default value fixes, showcasing in-depth knowledge of database interactions within the Phinx framework.
database-migrationdatabase-migrationsphpmigrationsphp-database-migrations
elasticio/appbuilder
Mar 2017 - May 2021
Docker image that used to build elastic.io applications slugs
Contributions:2 PRs, 1 push, 1 branch in 4 years 3 months
docker-image
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