Volodymyr Kovalchuk
Building Scalable Web Solutions with Clean Code & Clear Communication
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Ukraine
2 months 14 days back
available for hire
on the service 2 months 29 days
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I am a full-stack developer with over five years of experience in web development, focused on clear communication and delivering high-quality results. I specialize in front-end technologies including React, Angular, and Next.js, building clean, responsive, and performance-driven user interfaces with strong attention to UX/UI. On the back end, I work with PHP, Python, and .NET/.NET Core, and with databases such as MSSQL, MySQL, MongoDB, and PostgreSQL
Skills and abilities
Programming
Services
Photo, Audio & Video
Promotion
Portfolio
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3000 USD Property Management System (Laravel)
Web Programming
I developed a comprehensive Property Management System using the Laravel framework to streamline property, tenant, and payment management processes. The system allows administrators to manage properties, track tenants, monitor maintenance requests, and handle rent payments through a centralized dashboard.
Key features include tenant management, property listings, payment tracking, maintenance request handling, reporting tools, and role-based authentication. The platform was built with a responsive design to ensure smooth usability across desktop and mobile devices.
… On the backend, I implemented secure authentication, database optimization, and RESTful architecture to ensure performance and scalability. This project demonstrates my ability to build structured, scalable business systems with clean UI and efficient backend logic.
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7000 USD Customer Management System (CRM + Real-Time + Payments)
Web Programming
A full-featured customer management platform combining CRM functionality, real-time communication, and secure payment processing into a single seamless system.
Technical Highlights
-React for a modern, responsive UI
-NestJS for scalable backend architecture
… -PostgreSQL for structured relational data
-WebRTC for peer-to-peer communication
-Stripe API for secure payment workflows
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10 000 USD Ad Analysis System
Web Programming
A high-performance ad analytics platform designed to process and visualize large-scale campaign data in real time. The system enables businesses to monitor performance metrics, optimize campaigns, and make data-driven decisions efficiently.
Technical Highlights
-Angular for responsive, dynamic UI
-.NET Core API optimized for performance
… -MSSQL for relational reporting data
-MongoDB for high-speed log/event storage
-Designed for scalability and fast query performance