Skills | Jihad Hasan Joy

Expertise

What I Do

Full-stack engineer who turns complex requirements into polished, production-ready products

Biometric security — Face ID, fingerprint auth, secure storage, and SSL pinning for mobile banking
Cross-platform apps with React Native, plus Flutter and Dart
Real-time streaming, offline support, push notifications, and multi-language localization
App Store and Play Store publishing with end-to-end release management

Enterprise-grade banking and fintech applications with Angular, React, and React Native
State management with Redux Toolkit, RTK Query, and NgRx for scalable data flows
Responsive, pixel-perfect UIs from Figma with consistent design-system adherence
Bundle size, load time, and cross-platform performance optimization

Backend services and REST APIs with Node.js and Express, including auth, caching, and integrations
Frontends wired to RESTful APIs and GraphQL services with seamless data integration
Firebase push notifications and analytics to drive engagement and monitor performance

Mentoring engineers, leading code reviews, and enforcing clean architecture standards
Multi-environment deployments (dev, stage, prod) for mobile and web
Unit tests with Jest to keep regressions out of production releases

Daily stack

JavaScript

TypeScript

React

React Native

Angular

Flutter

NextJS

NodeJS

GitHub

Docker

Skills

Mobile Development (React Native)Expert

Frontend (React & Angular)Expert

Backend (Node.js & Express)Advanced

Flutter & DartWorking