• Development and support of the growex.com.ua website.

• Developed integration with PaymentParts APIs for PrivatBank, Monobank, and Sense Bank

• Implemented payment API integrations (LiqPay, PUMB Bank, Monobank) for e-commerce platforms

• Integration of the Checkbox API into the website to connect cash registers and fiscal registers.

• Designed and implemented a Telegram bot for task management, integrating with Asana API

• Implemented integration between growex.market REST API and ERP system

• Designed and implemented integration between Salesdrive API and company CRM system

• Integrated Nova Poshta and Ukrposhta APIs for order delivery processing

• Developed and maintained an administrative panel for e-commerce operations

• Developed Telegram/Viber chatbot for e-commerce: FAQ, order tracking, manager handoff

• Integrated OAuth authentication with Google and Facebook services

• Ongoing development and implementation of new e-commerce features

• Designed and developed the IT department’s website on WordPress

• Developed and implemented multilingual support across all company websites

• Performed code refactoring and performance optimization of existing systems

• Optimized website SEO and performance across desktop and mobile devices

• Migrated and optimized websites across hosting environments

• System administration of Linux-based servers (Debian/Ubuntu).

• Full Stack development for booratino.com.ua, blanka.com.ua, natalimomot.com.ua stores.

• Development and maintenance of the adleragrovision.com.ua e-commerce website

• Implemented integration with PrivatBank Payment Gateway API for payment processing

• Designed and implemented LiqPay payment integration for online stores

• Implemented integration with Nova Poshta and Ukrposhta APIs for shipping and order delivery

• Integrated Facebook Conversion API for conversion tracking and sales optimization

• Set up and configured Facebook Pixel for conversion tracking

• Migrated websites between hosting providers and performed optimization

• MySQL database management and query performance optimization

• Set up and managed Google Analytics tracking and Google Ads advertising campaigns

• Implemented responsive design for multi-device compatibility

• Integrated Phonet PBX API for handling inbound customer calls

• Developed and implemented multilingual support for websites

• Designed and developed front-end captive portal for PacketFence server

• Developed adaptive and responsive layouts for various devices