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FOAFrimpong Opoku Agyemang
Available for interesting opportunities
Expert in AI-assisted development

Full Stack Engineer crafting delightful, performant web applications.

I design and build accessible web experiences with NestJS + Next.js TypeScript (Stack). I focus on crafting robust, production-ready solutions, from architecting secure backend APIs to delivering polished, user-friendly frontends.

Next.jsNestJSReact(SPA)TypeScriptTailwind CSS v4ShadcnRadix UIFramer MotionTanstackQueryRedux
Frimpong Opoku Agyemang

Selected Work

A few projects that blend UX finesse with solid engineering.

Pidaso Ghana

High-performance payroll management software with Next.js App Router, and streaming UI.

Featured
Next.jsEdgeChartsZustandTanstackQueryShadcnRadixUI

Testewb

A clean modern platform for hosting bug-bash sessions and gathering feedback.

Featured
Design TokensRadixCVAFirebaseRenderGithub APIShadcnTanstackQueryReact Data Tables

Massenergize

An open-source platform for managing community energy projects.

Featured
ReactDjangoCarbon CalculatorReduxPostgreSQL

Expertise

From design systems to data-heavy dashboards, I build end-to-end web applications — crafting intuitive interfaces while architecting the backend services and APIs that power them.

UI Systems

  • Token-driven theming
  • Accessible patterns (WAI-ARIA)
  • Composable APIs

Performance

  • Code-splitting & RSC
  • Edge streaming
  • Lighthouse 95+

Backend Design

  • SQL Databases (PostgreSQL, MySQL)
  • NoSQL Databases(MongoDB, Redis)
  • Resful API Design & Implementation
  • Third party API Integration Experience

Quality

  • Playwright & Vitest
  • Axe a11y checks
  • CI for UI

About

Over the past 5 years, I've built products across SaaS, e-commerce, and developer tools. I thrive at the intersection of design and engineering: building systems, shipping features, and mentoring teams.

Lead UI architectureOwn design systemsMentor engineersCollaborate with designMeasure with data
~200ms
TTFB on edge routes
+35%
Conversion from UX refactor
95+
Lighthouse scores
20%
Bundle size reduction

Let's build something great

I'm currently exploring more stable roles. If you have an interesting problem, I'd love to hear about it. Feel free to reach out via any of the channels below!