Ajayi O.

Upwork Certified | Full-Stack Developer | TypeScript | React | Node.js

I’m an Upwork Skill Certified Full-Stack Developer (React, Node.js, TypeScript) who builds and launches high-performance web and mobile applications that are scalable, maintainable, and aligned with real business goals. I work across the entire stack—from pixel-perfect, responsive UIs to robust backend APIs and databases—helping startups and businesses turn ideas into reliable products. 🔹 What I Do Best (End-to-End Development) Frontend & UI Modern web applications using React.js, Next.js, TypeScript, and Tailwind CSS. Responsive, accessible interfaces with clean component architecture. SEO-optimized pages leveraging Next.js (SSR / SSG). Translating Figma designs into production-ready UI. Mobile Development Cross-platform mobile apps using React Native and Expo. Delivering smooth-performing Android & iOS apps with shared business logic. Backend & APIs Scalable backend systems with Node.js and Express.js. REST API development, authentication, and secure business logic. Database design using PostgreSQL / MySQL with Prisma ORM. API integration and data-driven applications. 🔹 Real-World Experience & Results Here’s how I’ve applied these skills in production: 💳 Payment Systems & Platforms: Led development on CipTopup’s mobile app and web platform, delivering secure payment flows, dashboards, and admin tools. 🛒 E-commerce Applications: Built a full e-commerce front-end with Stripe payment integration, product pages, and delivery workflows. 💼 Content-Managed & Admin Platforms: Developed full-stack systems with admin dashboards, role-based access, and dynamic content management. 🧑‍⚕️ Healthcare & Travel Platforms: Delivered responsive, user-friendly interfaces for specialized healthcare (AI-driven insights) and travel products, improving usability and performance. 🔹 How I Work (Quality & Delivery) Clean, maintainable, production-ready code. Strong focus on performance optimization and scalability. Clear communication and fast understanding of project requirements. Comfortable owning features from idea to deployment. Available for short-term tasks or long-term collaboration. 🔹 Certified Skills 🎖️ Upwork Skill Certified – Front-End Development 🎖️ Upwork Skill Certified – CSS Front-End Development (Manually reviewed technical assessments validating modern frontend best practices.) If you’re looking for a Full-Stack Developer who can handle React, Next.js, Node.js, Supabase/PostgreSQL, and deliver reliable web or mobile applications, let's build something solid. 🚀