Developed full-stack web applications using React, Next.js, and TypeScript with a strong focus on performance, scalability, and maintainability in a remote environment. Built custom WordPress solutions, including theme and plugin development, and worked extensively with the Next.js backend by implementing API routes, server-side logic, authentication, payment systems, and secure data processing. Integrated databases such as PostgreSQL, MySQL, and Upstash (Redis) for reliable data storage, caching, and real-time features. Connected marketing and analytics tools including CRM systems, tracking pixels, and marketing APIs to improve campaign effectiveness and conversion tracking. Designed and developed reusable UI components using Tailwind CSS, ShadCN, and MUI to ensure consistent design across projects. Optimized website performance and Core Web Vitals, resulting in faster load times and higher Lighthouse scores. Tech stack: React, Next.js (Frontend & Backend), TypeScript, Tailwind CSS, ShadCN, MUI, WordPress, PHP, REST APIs, PostgreSQL, Upstash, MySQL, Git.

Developed dashboards and websites using React, Next.js, JavaScript, and TypeScript, leveraging Zustand for state management and MUI for building scalable and reusable UI components. Focused on improving component performance by reducing render time and increasing overall application responsiveness. Worked extensively with reusable UI libraries to ensure consistent and high-quality design across projects. Integrated REST APIs into web applications for dynamic data handling and backend communication. Tech stack: React, Next.js, TypeScript, JavaScript, Zustand, MUI, HTML/CSS, PHP, REST APIs, Git, WordPress.

Developed websites and applications for clients worldwide, working across both front-end and back-end using React and Next.js. Created custom WordPress themes and plugins, significantly improving website performance and SEO. Performed website migrations and provided long-term maintenance and technical support. Managed the full development lifecycle, including planning, development, optimization, and deployment, ensuring stable and high-quality project delivery.

Participated in multiple private and public bug bounty programs, identifying and responsibly reporting critical web vulnerabilities such as XSS, SQL injection, open redirects, and SSRF. Contributed to improving the security posture of major web platforms by helping teams detect and mitigate real-world security risks.

Worked as a WordPress Developer and PrestaShop Administrator, developing an online clothing store from scratch using WordPress and WooCommerce, including responsive layout, product catalog setup, filtering, shopping cart, and checkout functionality. Integrated and configured payment gateways such as LiqPay and WayForPay, connected delivery services including Nova Poshta and Justin, and implemented 1C integration for inventory and order synchronization. Additionally, modernized an existing PrestaShop store by optimizing the theme and redesigning the category structure, improving usability and overall store performance.

Developed and launched several high-converting websites for seafood and dried fruit exporters.