Back-End Developer
Andrii L.
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
I'm a seasoned Senior PHP Developer with over five years of professional experience, specializing in backend development and high-performance systems. With expertise in frameworks like Laravel, Symfony, and Yii. I have a proven track record of creating scalable, optimized solutions, including the development of RESTful APIs and database architecture design. Also, I'm proficient in working with various cloud platforms like AWS and Azure, and is skilled in utilizing tools like Docker, PHPUnit, and Git. My career highlights include designing new features from scratch, refactoring legacy code, and mentoring team members. My experience spans a range of industries, working with technologies like RabbitMQ, Redis, and Kubernetes to deliver robust, high-quality systems. I'm a dedicated professional passionate about leveraging my skills to solve complex challenges.
Core skills
  • PHP 11 yrs.
  • MySQL 7 yrs.
  • Linux 6 yrs.
  • Docker 6 yrs.
  • TCP/IP 6 yrs.
  • Xdebug 6 yrs.
  • PostgreSQL 6 yrs.
  • REST Api 5 yrs.
  • AWS 5 yrs.
  • HTTPS 5 yrs.
  • RabbitMQ 4 yrs.
  • Redis 4 yrs.
  • Laravel 4 yrs.
  • Symfony 4 yrs.
  • SOAP 3 yrs.
  • PHPUnit 3 yrs.
  • gRPC 2 yrs.
  • Swagger 2 yrs.
Other skills
  • CSS3 8 yrs.
  • HTML5 6 yrs.
  • Ubuntu 5 yrs.
  • JavaScript 3 yrs.
  • WordPress 3 yrs.
  • Kibana 3 yrs.
  • Postman 3 yrs.
  • Node.js 2 yrs.
  • Kubernetes 2 yrs.
  • React Native 2 yrs.
  • Laravel Filament 2 yrs.
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.

Skills & technologies
  • PHP
  • Laravel
  • MySQL
  • REST Api
  • Redis
  • Docker
  • PHPUnit
  • React Native
  • Xdebug
  • HTML5
  • CSS3
  • AWS
  • Swagger
  • Postman
  • Laravel Filament
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.

Skills & technologies
  • PHP
  • MySQL
  • Symfony
  • REST Api
  • SOAP
  • Redis
  • Docker
  • Kubernetes
  • Xdebug
  • CSS3
  • Ubuntu
  • HTML5
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.

Skills & technologies
  • Symfony
  • MySQL
  • REST Api
  • Docker
  • RabbitMQ
  • Postman
  • Kibana
  • Xdebug
Education
ZDTU
2003 - 2008
Software Developer