John Coleman — Senior Frontend Developer
Senior Frontend Developer with 6+ years in fintech. Building fast, scalable products with React, TypeScript, and Node.js — serving 200,000+ users across Ghana and beyond.
About
I build frontend products that move money, onboard people, and hold up under pressure. Over the past 6+ years, I've been deep in the fintech trenches — building admin dashboards, payment flows, agent registration platforms, and transaction monitoring tools.
Key Achievements
- Architected a nationwide government-mandated agent registration platform for the National Lottery Authority, onboarding 200,000+ agents across Ghana.
- Built a transaction monitoring dashboard reducing support team issue resolution time by 70%.
- Led frontend architecture migration from MUI to Shadcn with measurable bundle size improvements.
- Delivered 37% improvement in application load times across multiple products.
- Developed an online ticketing platform for Roverman Productions.
- Mentored a junior developer through the full delivery of KorbaPay, serving 200+ businesses.
Skills
React, TypeScript, JavaScript, Node.js, Vite, Shadcn UI, MUI, Context API, PostgreSQL, Ghost CMS, Git, Bitbucket, CI/CD, Agile, REST APIs
Contact
Based in Accra, Ghana. Open to fully remote roles globally. Available for senior frontend and full-stack positions in fintech, payments, or B2B SaaS.