Oles T.

Expert React Js Developer | Next.Js Developer 📈 5000+ hours of work only on Upwork! ⭐5-Star ratings across all projects 💼 9+ years of experience 🚀 30+ completed projects and 0 negative feedback ⚡ Job success score 100% 💎 Top Rated Plus Freelancer (Top 2% on Upwork) 🙋 I’ve worked as a FrontEnd React Engineer, Frontend Lead, and Senior Software Engineer for prominent companies like ExpoPlatform, DeepChecks, Haystack, Vuukle, and Found.ee. I am a (Top 2% on Upwork) with 9+ years of experience building cutting-edge software solutions for my clients. I focus on creating scalable, robust, and efficient applications using various modern technologies and frameworks. I have experience working with various web projects, including SaaS, web apps, and website development. 🏆 𝗪𝗛𝗬 𝗖𝗛𝗢𝗢𝗦𝗘 𝗠𝗘? 🔹 I’ve worked with clients across various industries, from e-commerce to healthcare, delivering websites that not only look great but also drive conversions and growth. 🔹 Over 9 years of hands-on experience in web development and exceptional feedback from satisfied clients worldwide. 🔹 Experience with Enterprise Clients like ExpoPlatform, DeepChecks, Haystack, Vuukle, Found.ee, and more. 🔹 5000+ working hours on Upwork with proven results. 🔹 Flexible Availability: 50+ hours/week, across time zones. 🔹 Certified JavaScript Developer. 🔹 Certified React Developer. 🔹 Certified React Native Developer. 🔹 Available almost 24/7 to meet your needs and bring your ideas to life. 🔹 Long-Term Contract Focus on Upwork. I'm available for a call to discuss your project needs and ensure we align on your goals. Contact me today to start our journey toward a successful partnership and effective development 🔥 𝗖𝗢𝗥𝗘 𝗦𝗞𝗜𝗟𝗟𝗦 & 𝗘𝗫𝗣𝗘𝗥𝗧𝗜𝗦𝗘 ✅ Core skills: JavaScript (ES6+), HTML, HTML5, and CSS3. ✅ Front-end frameworks/libraries: Java, JavaScript, React.js, React js, Next.js, NextJs, Next js. Familiar with ReactJS, NextJS, React Query, react-hooks, and React Router, nextcloud, leveraging TypeScript for enhanced type safety. ✅ Experience with CSS preprocessors (Sass, LESS), styled-components, and frameworks like Tailwind CSS, Bootstrap, Ant Design, Material-UI, and Radix UI. ✅ Responsive Web design(RWD) and cross-browser compatibility. ✅ Version control tools: Git, GitHub, GitLab, Bitbucket. ✅ Webpack, Gulp, NPM, Yarn. ✅ State management libraries: Redux, Redux-Saga, MobX, or React Context. ✅ RESTful services and APIs, 3rd part APIs integration for fetching data. ✅ Performance optimization and UX/UI best practices. ✅ Jest, React Testing Library, Playwright, or Cypress. ✅ Storybook. ✅ Firebase (Realtime / Database / Cloud / Hosting). I have limited experience with Node.js, WordPress, Flutter, Java, Vue, Shopify, Python, and Angular, but I am always open to learning new technologies when needed. I have worked on full-stack projects where the backend was built using Firebase, handling authentication, database management, and cloud functions. Additionally, I have basic experience in design, allowing me to collaborate effectively with designers and contribute to UI/UX improvements. 🌟 𝗪𝗛𝗔𝗧 𝗗𝗢 𝗜 𝗣𝗥𝗢𝗩𝗜𝗗𝗘? 📗 Clear Communication: I prioritize effective communication and keep you updated every step of the way. 📗 Problem Solving: I’m detail-oriented and always deliver clean, optimized code to ensure your site runs smoothly. 📗 On-Time Delivery: Meeting deadlines is important to me, and I pride myself on delivering projects on schedule, every time. 📗 Custom Web Applications: CRM systems, project management tools, healthcare platforms, and data-driven dashboards. 📗 SEO & Performance Optimization: I focus on optimizing your website for fast loading speeds, SEO best practices, and mobile compatibility. 📗 Analysis of your requirements and providing tasks' estimation 📗 Writing clear, well-structured code in a timely manner 📗 Build stunning UIs with ReactJS or NextJS. Specialize in SPAs, PWA (Progressive Web Apps), and responsive designs tailored for any device. 📗 I develop tailored solutions for unique business needs, whether it’s building e-commerce platforms, integrating booking systems, or adding custom forms. 💬 𝗟𝗘𝗧’𝗦 𝗖𝗢𝗡𝗡𝗘𝗖𝗧! Feel free to reach out if you're ready to take your project to the next level. I’m excited to collaborate and build something exceptional together! 📞 Available for a call to discuss your project goals and create a clear roadmap. Thanks, Oles Telikhovskyi