Development and support of web applications on the frontend and backend parts. Creation of new pages, components and functionality, work with API, server logic. Integration of third-party services, bug fixing, optimization of project work and support of existing code. Participation in the development of functionality.

Developed both frontend and backend parts of web applications using modern frameworks.

Designed and implemented relational and non-relational databases (PostgreSQL, MongoDB).

Ensured seamless integration between client and server logic via REST APIs and WebSocket (Socket.IO)

Wrote clean, optimized, and maintainable code in JavaScript, TypeScript, and Node.js

Participated in feature planning, architecture decisions, and project roadmap development

Maintained, debugged, and updated existing systems

Created and led the development of a custom CRM system with calendar, Kanban board, task reminders, and integrations with email services (SMTP, SendGrid) and Telegram Bot API

Introduced Agenda-based task scheduling and real-time features

Managed a small development team: assigned tasks, reviewed code, and ensured delivery

Acted as a link between business requirements and technical implementation