Hire the Best React.js Developers
in Kenya

Need a fast, responsive web app built with React, Next.js, or Vue? I help businesses and individuals build clean, high-performing websites and full-stack applications that are fast mobile-friendly, and reliable. With expertise in React, Tailwind CSS, Vue, Next.js, Express.js, and PostgreSQL, I handle both frontend and backend—delivering everything from beautiful UI/UX to secure, scalable APIs. Whether you're launching a portfolio, building a multi-step form, or starting a delivery platform like Glovo, I can bring your vision to life. What I Offer - Fully responsive websites and dashboards - SEO-friendly web apps using Next.js - Clean UIs with React or Vue - Frontend-to-backend integration (REST APIs, backend logic) - Bug fixing, code refactoring & performance optimization Tech Stack Frontend- React.js, Next.js, Vue.js, Tailwind CSS, Bootstrap Backend (as needed): Node.js, Express.js, PostgreSQL, MySQL Other Tools:WordPress, REST APIs, Git, deployment tools (Vercel, Netlify) Why Work With Me While I’m new to Upwork, I’m not new to web development. I’ve spent the last 4 years coding and building real-world applications, including **5 successful freelance projects**. * 4 years of hands-on experience * Frontend and backend development expertise * Clear communication and timely delivery * Focused on user experience and real results I believe in clean code, clear goals, and building solutions that truly support your business. No fluff — just solid execution and professional service. Let’s build something great together. Send me a message—I'm ready to help bring your project to life, professionally and fast.

Front-end and Back-end developer with a strong background in creating dynamic and responsive websites and applications. Whether you're aiming to enhance your online business presence, streamline your business processes, or launch a new platform, I can help bring your vision to life. I pride myself on my ability to understand client needs and deliver high-quality, scalable solutions. Regular communication is important to me, so let's keep in touch to ensure your project's success.

I’m a dedicated full-stack web developer with over 2 years of hands-on experience crafting responsive, high-performing websites and web applications using modern technologies like JavaScript, TypeScript, React.js, Next.js, and Node.js. I excel at building pixel-perfect frontends that bring your Figma, Canva, or custom designs to life, paired with robust backends that scale seamlessly using frameworks like Express.js and databases such as MongoDB, MySQL, and PostgreSQL. My expertise spans frontend development with React, Vue.js, and Tailwind CSS, ensuring sleek, intuitive user interfaces, and backend development with Node.js, Laravel, and NestJS, delivering secure and efficient APIs. I’m skilled in API integration, webhooks, and GraphQL, enabling dynamic functionality for SaaS, ecommerce, and CMS projects (e.g., WordPress, Shopify). I also bring experience in React Native for cross-platform mobile app development and DevOps tools like Git, Docker, Vercel, and Kubernetes for streamlined deployments and CI/CD workflows. Whether you need a sleek landing page, a complete web application, a mobile app, or a redesign to align with modern UI/UX standards, I deliver with a keen eye for detail, clean code, and a focus on performance. I’m passionate about collaboration, ensuring clear communication throughout the project, and I thrive in Agile development environments to meet deadlines. I can also integrate AI solutions (e.g., ChatGPT) to enhance user experiences and tackle complex challenges with problem-solving skills. Let’s bring your project to life—on time, within budget, and exactly how you envisioned it. I’m ready to contribute to your success with a full-stack approach tailored to your needs!

I’m Paul Upendo, a Senior Front-End Engineer specializing in React, Vue, JavaScript, Next.js, Node.js, and Firebase. I’ve worked both as a top independent freelancer and as an engineer on Upwork’s internal Monetization Engineering team, where I improved platform performance, rebuilt critical features, and helped drive revenue at enterprise scale. I bring a product-focused, performance-driven approach to front-end engineering — delivering fast, reliable, and scalable interfaces that directly support business goals. What I Deliver: * High-performance front-end development with Core Web Vitals optimization * React & Vue migrations from legacy stacks (AngularJS, PHP, jQuery) * Modern, scalable component systems with Tailwind, Radix UI, and reusable patterns * Next.js applications with SSR/ISR, serverless APIs, and Firebase integrations * Dashboards, analytics interfaces, and data visualizations * Clean architecture, clear communication, and dependable delivery Why Clients Trust Me: ✓ Senior-level engineering judgment ✓ Strong UX and product understanding ✓ Proven performance improvements (27% gains, 95%+ web vital performance scores) ✓ Experience building for millions of real users ✓ Clear timelines, proactive communication, and reliable execution If you need a front-end engineer who brings speed, clarity, and senior-level technical expertise, I’d be glad to help you build something exceptional.

Hi! I'm a full-stack developer with 5+ years of experience in building 🌟 visually stunning and ⚡ high-performance websites. My skills include: 💻 Frontend & Frameworks • React.js • Next.js • Gatsby.js • Alpine.js • Redux • Tanstack Query 🎯 Backend & API • Node.js • GraphQL • Nest.js 🎨 Styling • Tailwind CSS • Semantic UI • HTML • CSS • HTMX • Material UI I combine technical expertise with a passion for creating user-friendly, engaging digital experiences. Whether you need a website revamp or a new build, I’m here to help bring your vision to life with a smooth, collaborative process. Let's elevate your online presence! 🚀

my top skills are react js , react native, html , javascript , express js , As a dedicated React.js developer, I specialize in building dynamic and responsive user interfaces using modern front-end technologies like React Hooks and the Context API. My core strength lies in creating reusable components and managing complex state to deliver seamless user experiences. Complementing my front-end expertise, I possess fundamental backend experience in designing RESTful APIs using Node.js and Express.js, supported by a solid understanding of relational database management with PostgreSQL. This combination of skills allows me to bridge the gap between frontend and backend, ensuring efficient data integration and high-performance full-stack applications.