Oleksii P.
Backend Developer
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
Symfony18 years
Linux18 years
PHP18 yearsExperience4
Senior PHP Developer
- 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.
PHPSymfony
JavaScript
Docker
PostgreSQL
Senior PHP Developer
- 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.
PHPSymfonyJavaScript
MariaDBDocker
Senior PHP Developer
- 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.
PHPSymfonyJavaScriptMariaDB
Redis
Senior PHP Developer
- 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.
PHPSymfonyJavaScriptMariaDB
NGINXAssessments
Engineering excellence
Oleksii’s overall performance in a 90-minute live technical assessment ranks in the top 5% of vetted Backend Developers at Proxify.
Education
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