Oleksii P.

Backend Developer

Oleksii is a seasoned PHP Developer with 18 years of commercial experience, specializing in PHP, Symfony, Doctrine, and API Platforms.

He has extensive expertise in backend architecture, delivering robust, maintainable, and high-performing systems that adhere to best practices. Oleksii is recognized for his methodical, standards-driven approach, ensuring that each solution meets its core requirements while remaining scalable and reliable.

Beyond his professional work, he actively contributes to the open-source community, demonstrating a passion for collaboration, continuous improvement, and knowledge sharing. Oleksii’s deep technical skills and disciplined approach make him a highly valuable member of any development team.

Main expertise

  • Symfony
    Symfony 18 years
  • HTML / CSS 18 years
  • Linux
    Linux 18 years

Other skills

  • DynamoDB
    DynamoDB 4 years
  • AWS SQS
    AWS SQS 4 years
  • AWS
    AWS 4 years
Oleksii

Oleksii P.

Poland

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Selected experience

Employment

  • Senior PHP Developer

    EonX - 3 years 10 months

    • Developed and maintained backend APIs for a Payment Gateway platform, supporting secure and efficient transaction processing.
    • Wrote automated tests to ensure code reliability, prevent regressions, and maintain high test coverage.
    • Managed dependency upgrades and versioning to keep the platform up-to-date and secure.
    • Monitored and optimized system performance to handle high transaction volumes with minimal latency.
    • Ensured compliance with industry standards and best practices for financial systems.

    Technologies:

    • Technologies:
    • PHP PHP
    • Symfony Symfony
    • JavaScript JavaScript
    • Docker Docker
    • PostgreSQL PostgreSQL
    • AWS AWS
    • Redis Redis
    • NGINX NGINX
    • AWS SQS AWS SQS
    • DynamoDB DynamoDB
    • Open source Open source
    • Unit Testing
    • Git Git
    • DataDog DataDog
    • REST API REST API
    • HTML / CSS
    • Automation Testing
    • PhpStorm PhpStorm
    • CrowdStrike Falcon CrowdStrike Falcon
    • GitHub Actions GitHub Actions

  • Senior PHP Developer

    AutoProf - 2 years 1 month

    • Developed an automotive parts catalog platform with a unified user interface for efficient navigation and search.
    • Integrated multiple data sources, including TecDoc, Mercedes EPC (EWA Net), BMW ETK, Toyota EPC, and VAG ETKA.
    • Designed and implemented data parsing and synchronization routines to maintain up-to-date catalog information.
    • Ensured compatibility and consistency across diverse data formats and structures.
    • Optimized system performance for fast retrieval and display of complex parts information.

    Technologies:

    • Technologies:
    • PHP PHP
    • Symfony Symfony
    • JavaScript JavaScript
    • MariaDB MariaDB
    • Docker Docker
    • PostgreSQL PostgreSQL
    • Redis Redis
    • NGINX NGINX
    • jQuery jQuery
    • Digital Ocean Digital Ocean
    • Linux Linux
    • Open source Open source
    • Unit Testing
    • Git Git
    • RabbitMQ RabbitMQ
    • REST API REST API
    • HTML / CSS
    • Automation Testing
    • PhpStorm PhpStorm
    • GitHub Actions GitHub Actions

  • Senior PHP Developer

    GameM - 3 years 6 months

    • Built and maintained an online store for in-game items, ensuring a seamless user experience and secure transactions.
    • Optimized performance and scalability to handle high traffic and concurrent purchases.
    • Designed and implemented database structures and backend logic to support dynamic inventory and pricing.
    • Integrated payment gateways and user authentication to provide a secure shopping experience.
    • Monitored system performance and applied optimizations to improve load times and server efficiency.

    Technologies:

    • Technologies:
    • PHP PHP
    • Symfony Symfony
    • JavaScript JavaScript
    • MariaDB MariaDB
    • Redis Redis
    • NGINX NGINX
    • jQuery jQuery
    • Digital Ocean Digital Ocean
    • LAMP LAMP
    • Linux Linux
    • Open source Open source
    • Unit Testing
    • Git Git
    • RabbitMQ RabbitMQ
    • REST API REST API
    • HTML / CSS
    • Automation Testing
    • PhpStorm PhpStorm

  • Senior PHP Developer

    Dreamer - 2 years 3 months

    • Developed an automated proxy service sales system to streamline the provisioning and management of proxy resources.
    • Utilized 3proxy to handle proxy configuration, user authentication, and traffic routing.
    • Implemented backend logic for automated account creation, service activation, and usage tracking.
    • Integrated payment processing and user management to support a fully self-service platform.
    • Ensured system security and reliability through the implementation of access controls and monitoring.

    Technologies:

    • Technologies:
    • PHP PHP
    • Symfony Symfony
    • JavaScript JavaScript
    • MariaDB MariaDB
    • NGINX NGINX
    • jQuery jQuery
    • Digital Ocean Digital Ocean
    • LAMP LAMP
    • Linux Linux
    • Open source Open source
    • Unit Testing
    • Git Git
    • RabbitMQ RabbitMQ
    • HTML / CSS

Education

  • BSc.Information Technology

    Vinnytsia National Technical University · 2005 - 2010

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