Back-End Developer

Andrii L

Information

Available hours \ week
40 h/w
Seniority level
Senior
Years of experience
11 yrs.
Location
Ukraine
Timezone
(GMT+02:00) Kyiv

Languages

English
Upper-Intermediate (B2)

About

Andrii is a Back-End Developer with 11 years of experience specializing in PHP and Laravel frameworks. His expertise encompasses building scalable backend systems, optimizing performance, and integrating various payment gateways and APIs within diverse industries such as event management and fintech. He has demonstrated proficiency in MySQL, PostgreSQL, and Redis databases, alongside developing REST APIs and utilizing Docker for containerization. Notable skills include Symfony, RabbitMQ, and gRPC, among others. Andrii is adept at utilizing tools like PHPUnit for testing and Swagger for documentation, ensuring high-quality, maintainable code throughout his projects. With a strong command of English at an upper-intermediate level, he excels in collaborative environments, fostering team productivity and knowledge-sharing. Andrii holds a degree in Software Development from ZDTU.

Experience

GlobalCloudTeam

Senior PHP Developer

About the Project

Product: A trading platform providing seamless integration with financial tools. Goals: Develop a robust backend system for financial services, integrating third-party trading tools to streamline operations. Scope: Design and implement new features, refactor legacy code, and ensure the system’s scalability and reliability. Functionality: API integrations with platforms like CTrader, TradingView, and MetaTrader, supported by real-time monitoring and testing. Target Audience: Financial institutions, brokers, and individual traders. Main Features: Comprehensive API support, real-time system monitoring, automated testing, and optimized code for high performance and reliability.

  • Fintech

Responsibilities

I led backend development, creating scalable features, refactoring legacy code, and ensuring system reliability. Key Accomplishments: - Designed and implemented APIs integrating with platforms like CTrader and MetaTrader. - Enhanced system scalability and performance through code optimization. - Developed thorough documentation using Swagger for cross-team collaboration. - Wrote comprehensive unit tests with PHPUnit, ensuring code quality. - Supported team members in resolving complex issues and improving workflows.

WebXLOO

PHP Developer

About the Project

Product: A customizable business solution platform. Goals: Enhance a multi-module platform for diverse client needs. Scope: Develop new modules, fix bugs, and support a global team. Functionality: Modular development with PHP frameworks, API integration, and cloud service support. Target Audience: Small and medium-sized businesses. Main Features: API development, cloud integrations, and collaboration with QA teams.

Responsibilities

As a PHP Developer at WebXLOO contributed to backend development and minor front-end tasks, focusing on creating and maintaining modular platform features. Key Accomplishments: - Built new modules using Yii, Symfony, and Zend frameworks. - Refactored legacy code for better performance and maintainability. - Optimized database queries, enhancing system efficiency. - Integrated APIs and cloud services like AWS for scalability. - Documented code to improve team workflows and onboarding. - Mentored teammates, boosting productivity and knowledge-sharing.

Smeetz

Back-end Developer

About the Project

Product: A trading platform for brokers and financial institutions. Goals: Develop a backend system to integrate financial services with third-party platforms. Scope: Design new features, refactor legacy code, and ensure scalability. Functionality: Integration with tools like CTrader and TradingView, robust API support, and extensive testing with PHPUnit. Target Audience: Traders and financial organizations. Main Features: API integrations, real-time monitoring, and optimized codebase.

  • Event Management

Responsibilities

At Smeetz, I was responsible for the backend development and maintenance of the ticketing and sales platform. My duties included resolving issues, adding new features, and optimizing system performance. I integrated payment gateways like BlueSnap and Adyen and monitored system performance using Kibana and Bugsnag. Additionally, I ensured real-time booking functionality, collaborated with team members to enhance system reliability, and addressed accidental issues to maintain smooth operations. My work focused on delivering a high-quality, efficient platform for event organizers and entertainment businesses.

Education

ZDTU

2003 - 2008
Software Developer