Herbert
Koranteng.
Full-Stack Developer with 4+ years building scalable web and mobile applications across the US and Africa. I ship products that actually work — with a growing focus on mechatronics and ML-powered mobile apps.
- Build and maintain full-stack web apps with React, Next.js, Node.js, Express, and MongoDB in a US-based remote team.
- Implemented CI/CD pipelines and AWS infrastructure for reliable, scalable deployments.
- Collaborated with product and design to ship features on schedule, maintaining quality through code review.
- Boosted website builder productivity by 60% through performance optimization and intuitive UI redesign.
- Implemented React.js + TypeScript + Tailwind CSS interactive elements to improve engagement and retention.
- Delivered full-stack solutions for diverse clients, increasing user engagement by 20% for a key client.
- Migrated legacy codebase to Next.js — 30% performance improvement and lower maintenance overhead.
- Built stylishstepscollection.com and andamo-express.com.gh (e-commerce platforms).
- Built responsive UI components with React and Tailwind CSS, improving visual consistency across the product.
- Contributed to agile sprint cycles, feature delivery, and bug resolution.
- Developed product detail pages and shopping cart functionality for an e-commerce platform with WhatsApp-based user-to-client communication.
- Stack: React.js, Next.js, Node.js, Express.js, Firebase.
- Built a full-stack e-commerce website for a growing fashion business, including authentication and services interfaces (React.js) and product data storage (Node.js + MongoDB).
A React Native mobile app that uses an on-device machine learning model to detect diseases in tomato leaves from a photo, helping farmers identify crop issues early and take action before yield is affected.
Full e-commerce platform with product catalog, cart, checkout, and admin dashboard for a fashion retailer.
E-commerce platform for a Ghanaian business with product listings, order management, and payment integration.
Scalable clothing e-commerce with product catalog, cart, and checkout — 25% improvement in sales conversions.
Patient management dashboard with electronic health records, real-time vitals tracking, diagnostic history, and lab result workflows.
Frontend
Backend & Database
Cloud & Tools
Mobile & ML
Open to remote full-stack and mobile/web roles globally. Let's build something great.