Building scalable software products from pixel-perfect UIs to robust backends — based in Lagos, Nigeria 🇳🇬

I'm a Full Stack Engineer with 3+ years of experience designing and building end-to-end web and mobile applications — from responsive, animated frontends to API-driven backends. I care deeply about performance, accessibility, and real-world impact.

When I'm not shipping products, I'm contributing to open source, teaching web development to the next generation of Nigerian developers, or building my own SaaS tools.

• 🚀 1,000+ users served through products I've built
• 💎 98%+ design accuracy across all client projects
• ⚡ Average 35% performance improvement across client codebases
• 🤝 100% client satisfaction across 15+ freelance projects
• 🎓 Taught web dev to 100+ students across 3 academic terms

React · Express.js · Supabase · Tailwind CSS

A web app for pre-school teachers to manage termly scores and auto-generate PDF reports. Features role-based authentication, real-time updates, secure data validation, and a responsive admin dashboard.

Impact: ⏱️ Reduced report generation time from 2 hours → 5 minutes (90%+ time saved)

React · Redux · Express.js · Supabase · Tailwind CSS

A full-featured platform helping Nigerian students prepare for JAMB, WAEC, and NECO. Includes practice tests, progress tracking, an analytics dashboard, and mobile-first optimization.

Impact: 📈 1,000+ active users · 12+ min avg session · 85% retention rate

React · TypeScript · SCSS

A fully responsive, pixel-perfect admin dashboard featuring authentication, advanced filtering, pagination, and local storage persistence.

Impact: ⚡ Handles 500+ user records with sub-second search performance

Flutter · Dart

A quiz app that challenges users with technology-related questions spanning programming languages, frameworks, dev tools, and tech history. Clean UI with engaging UX flows.

Flutter · Dart

A beautiful and intuitive wallpaper selector application with a smooth browsing experience and clean visual design.

Flutter · Dart

A cryptocurrency wallet application for securely managing digital assets — featuring a clean dashboard, transaction flows, and efficient asset tracking.

HTML5 · CSS3 · Vanilla JavaScript

Pixel-perfect responsive recreation of npm's official landing page, demonstrating advanced CSS layouts, accessibility best practices, and performance optimization.

🧑‍💻 Freelance & Open Source Full Stack Engineer (Jan 2026 – Present)

• Delivered 4+ client projects on time with 100% satisfaction rate
• Contributed to 2+ open-source projects with 10+ merged PRs
• Building modern, responsive web apps using React, Next.js, and Go

🎓 Frontend Developer Intern — HNG Internship (Sep – Dec 2025)

• Built pixel-perfect, production-ready UIs with 98%+ design accuracy
• Optimized performance via code splitting, lazy loading, and bundle reduction
• Deployed with CI/CD pipelines on Netlify and Vercel

🌍 Volunteer Frontend Developer — Thirteen Universal (Jan – Jul 2024)

• Built a fully responsive site using HTML5, CSS3, JS, and WordPress
• Improved load time by 35% through image optimization and code minification
• Implemented custom PHP plugins for booking and consultation

📖 ICT Instructor — Kith and Kin International College (Jan – Dec 2023)

• Taught HTML, CSS, JavaScript & responsive design to 100+ students
• Increased project completion rates by 40%
• Mentored students on GitHub workflows and agile methodologies

• 📖 React Docs — Improved accessibility examples in official documentation
• 🎨 Tailwind CSS Community — Contributed utility class examples and bug fixes
• 🤝 HNG Open Source — Mentored junior developers, reviewed 10+ pull requests

• ✅ Responsive Web Design — FreeCodeCamp
• ✅ Frontend Developer Intern — HNG
• ✅ Mobile App Developer Intern — HNG
• ✅ UI/UX Design — Coursera
• ✅ HTML, CSS & JavaScript Essentials — LinkedIn Learning
• ✅ Software Development — Tech4Dev

I'm open to full-time, contract, and remote opportunities globally. Whether you need a performant frontend, a scalable backend, or a complete product — let's build something great.

📧 emmanueladeyefa23@gmail.com · 📞 +234 816 020 5077 · 🌐 adeycodes.com.ng

"Code is craft. Every line is a choice."
_{⭐ If you find my work helpful, consider starring a repo or reaching out!}