Toheeb

Full stack web & app development

xapzap • Full time

Sep 2018 - Present • 7 yrs 8 mos

As a Full Stack Developer at xapzap, I build and maintain modern web and mobile-friendly applications using the MERN stack (MongoDB, Express.js, React, Node.js) and related technologies.Key responsibilities and achievements:Develop scalable full-stack features for web apps, including responsive UIs, secure backend APIs, and real-time functionalities. Implement frontend with React, Next.js (SSR/SSG), TypeScript, and Tailwind CSS for fast, user-friendly interfaces. Handle backend logic with Node.js, Express, RESTful/GraphQL APIs, JWT/OAuth authentication, and integrations (e.g., payments, notifications). Manage databases like MongoDB, PostgreSQL, and Firebase for efficient data handling and performance. Deploy and optimize apps on Vercel, Netlify, and other platforms; ensure clean, maintainable code with Git workflows. Collaborate on cross-functional features, troubleshoot issues, and deliver updates on time while improving app speed and security. Reduced load times by 40% through performance optimizations like code splitting and lazy loading in a high-traffic dashboard app. Built a real-time chat feature serving 10,000+ users, integrating WebSockets and Firebase for seamless communication. Integrated Paystack/Stripe payments into an e-commerce platform, increasing transaction success rates by 25%. This role has strengthened my expertise in end-to-end development, from concept to production, delivering reliable solutions that drive user engagement and business growth.