Senior Front-End Engineer | React.js • Next.js • TypeScript

Building scalable, high-performance web applications with 5 years of production experience.

Front-end developer specializing in building scalable, user-focused web applications using React.js, Next.js, and TypeScript. I deliver high-performance UIs for complex, data-rich platforms with seamless API integration and modern front-end tooling.

Location: Remote (Based in Nigeria)

Core Technologies

• React.js, Next.js, TypeScript, JavaScript
• HTML5, CSS3, Responsive Design

State & API Management

• Redux Toolkit, Zustand
• TanStack Query, REST APIs, GraphQL

Testing & Quality

• Jest, React Testing Library
• Cypress, Playwright (E2E)

Build Tools & DevOps

• Vite, Webpack, npm
• Git, GitHub Actions, ESLint

Performance Optimization

• Core Web Vitals, Lighthouse Audits
• Code Splitting, Dynamic Imports
• Bundle Size Optimization

Backend Integration

• Firebase, MongoDB, PostgreSQL, Supabase
• Authentication Flows, Real-time Updates

AI Integrations

• Large Language Models (LLMs), Prompt Engineering
• AI-Powered Chatbots & Conversational Interfaces
• API Integrations (OpenAI, Anthropic, etc.)

API Client and Builder

A comprehensive API Client and Builder designed to eliminate manual API integration. It seamlessly generates REST APIs, TanStack Query hooks, and strict TypeScript types directly into your project's codebase, alongside a suite of built-in authentication hooks for a seamless development experience.

Stack: Next.js, TypeScript, React

AI-Powered Menstrual Cycle Tracking App

An AI-powered, WhatsApp-based menstrual cycle tracking application. It allows users to converse naturally with an AI assistant to log their periods, receive personalized health insights, manage subscriptions, and access detailed reports directly within their messaging app.

Stack: Next.js, TypeScript, AI Integrations

Operational AI Infrastructure

An operational AI infrastructure for fit-out and construction intelligence. It transforms fragmented project inputs into a unified model, enabling teams to govern data, automate workflows, and control execution across the entire lifecycle.

Stack: Next.js, TypeScript, React

Global Money Movement Infrastructure

A non-custodial infrastructure powering global money movement. It enables seamless conversion between stablecoins and local currencies while offering programmable, liquidity-driven earnings.

Stack: Next.js, TypeScript, React

Stablecoin Neobank

A stablecoin neobank for global payments. Accept payments, manage your wallet, and spend globally using stablecoins on a single platform that replaces your payment gateway, bank, and cards.

Stack: Next.js, TypeScript, React

Fiat-to-Crypto Onramp

An optimized fiat-to-crypto onramp solution. It maximizes conversion and revenue for Web3 platforms, providing up to 20x more global coverage compared to single-provider alternatives.

Stack: Next.js, TypeScript, React

• Performance Optimization: Core Web Vitals, Code Splitting, Bundle Optimization
• Component Architecture: Reusable Design Systems, Scalable UI Patterns
• API Integration: REST, GraphQL, Authentication Flows
• Testing: Unit, Integration, E2E Testing Strategies
• Collaboration: Agile/Scrum, Code Reviews, Technical Documentation
• Mentorship: Training Junior Developers, Interview Engineering

• Email: ezekaemmanuel1710@gmail.com
• LinkedIn: emmanuel-ezeka
• GitHub: EECvision
• Phone: +234 806 481 9800