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, 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).