Serhii O.

👋 Hi, I’m Serhii! A passionate Full Stack Developer focused on building modern, scalable, and high-performance web applications. My expertise lies in crafting fast, responsive, and visually appealing websites and web apps using React, Next.js, Svelte, Node.js, NestJS 🔹 What I Offer: ✅ Custom Web Applications – Full-stack apps built with React, Next.js, and Node.js ✅ High-Performance UI/UX – Optimized for speed, accessibility, and SEO ✅ State Management & APIs – Efficient architecture using Zustand, Redux, REST APIs ✅ Animations & Interactivity – Engaging effects with Framer Motion, GSAP ✅ Mobile-Responsive & Pixel-Perfect Design – Smooth cross-device experiences ✅ Cloud & Database Solutions – Firebase, MongoDB, PostgreSQL 🔹 Tech Stack: 🟢 Front-end: React.js, Next.js, TypeScript, Tailwind CSS, Framer Motion 🟢 Back-end: Node.js, Express.js, API Development (REST/GraphQL) 🟢 Databases: MongoDB, PostgreSQL, Firebase 🟢 Tools & Platforms: Git, GitHub, VS Code, Figma, Postman 🟢 Other Expertise: Server-side Rendering (SSR), Static Site Generation (SSG), Authentication & Security (JWT, Firebase Auth), Performance Optimization 🏆 Experience & Notable Projects: ✔ 1+ years in Web Development ✔ 5+ successful freelance projects in e-commerce, SaaS, and personal branding ✔ Worked on team-based projects, collaborating with designers & developers 🔹 Job Tracking Application – Built a real-time job tracking web app using React, Node.js, featuring secure authentication, job status updates, and mobile-friendly UI. 🔹 E-commerce Website – Developed a modern online store with dynamic product filtering, Stripe payments, and high-performance SEO optimization. 🔹 Regression Therapy Landing Page – Designed a high-converting animated landing page with smooth transitions, fast loading speed, and SEO optimization. Why Work With Me? 💡 Clean & Maintainable Code – I follow best industry practices to ensure scalability. 📢 Clear Communication – I keep you updated at every stage of development. ⚡ Detail-Oriented & Reliable – I ensure the final product meets your expectations. 🤝 Long-Term Client Relationships – I aim to build strong partnerships through high-quality work. 📩 Need a skilled developer to bring your vision to life? Let’s connect! I’m available for both short-term and long-term projects. 🚀 🔑 KEYWORDS 🚀 Full Stack Developer, React Developer, Next.js Developer, JavaScript Developer, Frontend Developer, Backend Developer, Web Developer, MERN Stack, Next.js, React.js, Node.js, Express.js, TypeScript, Tailwind CSS, Firebase, MongoDB, PostgreSQL, Zustand, Redux, API Development, REST API, UI/UX, Performance Optimization, Server-side Rendering (SSR), Static Site Generation (SSG), Authentication, JWT, Firebase Auth, Framer Motion, GSAP, SEO Optimization, Mobile-Responsive Design, E-commerce, SaaS, Landing Page, Job Tracking App, Progressive Web App (PWA), Git, GitHub, Web Applications, SaaS Development.