- Built and maintained responsive admin panels using Angular, and developed client-facing websites with React.
- Created cross-platform mobile applications using React Native, delivering performant and intuitive mobile experiences.
- Designed reusable UI components and collaborated closely with backend teams to integrate RESTful APIs.
Tech stack: Angular, React, React Native (mobile apps), JavaScript (ES6+), HTML5, CSS3, Git, REST API.

- Contributed to exactdata.com, implementing advanced contact search and filtering features.
- Optimized database performance using MySQL (Spatial) and Redis.
- Worked on full-cycle development, including backend (PHP, Yii2) and frontend (AngularJS).
Tech stack: Yii 1/2, AngularJS, Redis, MySQL, PHP, HTML, CSS, REST API.

- Developed interactive mapping tools with points, lines, and polygons visualization.
- Created responsive layouts and implemented custom logic using native JS and jQuery.
Tech stack: JavaScript (ES5/ES6), jQuery, HTML, CSS.

- Developed and maintained enterprise UIs using Wavemaker, Dojo, and native JavaScript.
- Integrated SQL databases and improved backend data processing performance.
Tech stack: Dojo, jQuery, Wavemaker, SQL, MySQL, PostgreSQL, PHP.

- Built a custom CRM system for one of the largest logistics companies.
- Designed intuitive dashboards and optimized data visualization.
Tech stack: Dojo, jQuery, Wavemaker, SQL, MySQL, PostgreSQL.

- Designed and developed a complex online learning platform from scratch.
- Created responsive layouts and integrated backend logic using PHP frameworks.
Tech stack: PHP, CodeIgniter, WordPress, Yii, Drupal, Joomla, HTML, CSS, JS.

- Contributed to the team project medeo.ru, developing custom modules and user interface improvements.
Tech stack: PHP, CSS, JS, CVS, Jira.

- Built and maintained internal business automation software.
- Worked with databases and APIs, supporting integration with third-party services.
Tech stack: Delphi, C++ Builder, PHP, JavaScript, HTML, CSS, SQL.

- Upgraded company web tools and internal CRM.- Improved performance and UI for mnenie.seo4experts.com and related products.
Tech stack: PHP, CVS, Jira.