Микола

Mykola Dubovchenko
PHP developer
PHP Developer with 4+ years of commercial experience in backend development. Strong expertise
in integrating third-party services and payment providers (PSP), building and maintaining REST
APIs, and optimizing database queries. Experienced in working closely with frontend developers
and QA engineers, participating in product migrations from monolithic architecture to
microservices. Passionate about clean, readable code and continuous professional growth.

Contact Experience
Phone
[відкрити контакти](див. вище в блоці «контактна інформація») dec.2021- present
Email STRUKTURA
[відкрити контакти](див. вище в блоці «контактна інформація») PHP developer
Linkedin
• Integrated 3rd-party services including external email (SMTP/API) providers, CRM
[відкрити контакти](див. вище в блоці «контактна інформація»)
connectors, and notification systems.
dubovchenko-b03539260 • Integrated payment providers (PSP): Payxpert, NMI, Transact Bridge — covering card
Telegram payments, Apple Pay, and Google Pay flows.
t.me/kolyatolya • Developed and maintained REST API endpoints consumed by frontend and mobile
clients.

Education
• Optimized MySQL queries: analyzed slow query logs, rewrote complex JOINs, added
indexes — significantly reducing response times.
• Collaborated actively with frontend developers on API contracts and data formats.
2021 • Worked closely with QA engineers to reproduce bugs, write reproducible test scenarios,
EPAM [OnlineUA]
PHP Summer Program and ensure quality releases.
• Participated in migrating functionality from a monolithic application to separate
2004 - 2009 microservices.
Zhytomyr State • Created and maintained standalone projects extracted from the main product codebase.
Technological University • Used RabbitMQ for asynchronous message queuing between services.
Radio Engineering, Master • Used Redis for caching and session management to improve system performance.
2000 - 2004 • Monitored system health and performance metrics via Grafana dashboards.
• Applied OOP principles and MVC architecture; maintained readable, commented, and
Zhytomyr Technological
College consistently formatted code.
Electrician

Expertise 2009 - 2021
PJSC "STC" Elektronprilad
PHP Head of Setup & Testing Department
Symfony • Led the department responsible for setup, calibration, and testing of serial aviation
Yii 2 instruments.
MySQL • Developed and validated fuel-measuring systems, flight data recorders (black boxes),
Redis and aviation indicators.
• Managed hardware adjustment and quality testing workflows for mass-produced
RabbitMQ
avionics systems.
Docker
REST API
Git
JavaScript
Grafana Additional Information

Language I am interested in sports (football, volleyball, ping pong, checkers, chess), I have
a driving license and a private car, I am married.

English (B2)

Ukrainian (native)