Responsibilities:

• CRM user part of development
• Development and integration of interactive maps, including heat pipelines and water supply pipelines (maps of underground pipes for heat and water delivery to houses)

Technologies:

(TypeScript, JavaScript, React.js, React Hooks, React Hook Form, Redux, Node.js, Express.js, PostgreSQL, HTML5, CSS3, SASS/SCSS, GIT, REST API, i18next, Lodash, Day.js, Mapbox GL)

Responsibilities:

• CRM user part of development
• Development and integration of interactive maps, including GPS tracking, route calculation, dynamic pricing zones, and distance-based fare computation
• Implementation of complex tables and document management features
• Automation of the taxi order lifecycle (client, agent, and contractor management, tariffs, order assignment and tracking, payments, etc.)

Technologies:

(TypeScript, JavaScript, React.js, React Hook, React Hook Form, Redux, Redux Toolkit, UIkit, Styled-components, SASS, i18next, Lodash, Date-fns, Webpack, Visicom Maps)

Responsibilities:

• Developed a desktop Arkanoid game from scratch.
• Implemented core game mechanics, ball physics, paddle control, and user interactions.
• Designed a modular, event-driven code architecture for game objects.
• Gained practical experience in project planning, debugging, testing, and iterative improvement.

My personal projects:

• (Game) https://tinyurl.com/mw82s48k
• (Website) https://banderogus-from-ukraine.netlify.app/

Technologies:

(TypeScript, Electron, Pixi.js, Howler.js, CSS3, Vite)

Responsibilities:

• Full-stack development of e-commerce website from scratch (client, user, and server parts)
• Implementation of order processing functionality
• Management and administration of product catalog
• Development of interactive UI components
• Integration of payment systems and transactional flows

Technologies:
(JavaScript, JSX, React.js, React Hooks, Redux, Node.js, Express.js, MongoDB, HTML5, CSS3, SASS/SCSS, GIT, REST API, Firebase)

Responsibilities:

• Full-stack development of CRM from scratch (client, user, and server parts)
• Website business card development
• Implementation of complex tables and document management features
• Automation of the client case lifecycle processes (client intake, consultation, case tracking, lawyer assignment, document processing, payment analytics, and more)

My commercial projects:
(open-source and currently maintained)

• https://zahist.ua/
• https://play.google.com/store/apps/details?id=com.zahist.client
• https://zahist.in.ua/
• https://client.zahist.ua

Technologies:

(JavaScript, JSX, React.js, React Hooks, Redux, Node.js, Express.js, MongoDB, HTML5, CSS3, SASS/SCSS, Ant Design, GIT, REST API, Day.js, Google Drive API, Webpack, Firebase)

Responsibilities:

• Creation of UI/UX design.
• Web applications development.
• Mobile application development.

Technologies:

(JavaScript, React.js, Redux, Node.js, Express.js, MongoDB, HTML5, CSS3, PHP, WordPress, jQuery, GIT, REST API, Figma, React Hooks)

Responsibilities:

• Development of software for internal enterprise departments.
• Administration of digital key certificate registration.
• Support for software cryptographic information protection.
• Development and integration of key management systems.
• Support for development of embedded systems (ARM-based) and ERP.

Technologies:

(JavaScript, HTML5, CSS3, CSK "Key Certification Center", KEP "Crypto Autograph", KZI "Crypto server", TCP/IP, FTP)

Responsibilities:

• Configuration and maintenance of network equipment.
• Ensuring the operation of DHCP and DNS servers.
• Monitoring and analysis of network traffic.
• Configuration of network security policies.
• Participation in network modernization projects.

Technologies:

(TCP/IP, HTTP, HTTPS, FTP, DNS, DHCP)