SOFTWARE ENGINEER

MD. Raiyan Ur Rahman Jiyon

I build production-ready web applications and scalable backend systems using React, Next.js, and Node.js — with a strong focus on performance and maintainability.

👨‍💻

About Me

Software Engineer who builds products that drive business results

Hi, I'm Raiyan Jiyon (MD. Raiyan Ur Rahman Jiyon) — a Software Engineer with hands-on experience building full-stack web applications from concept to deployment. I specialize in React, Next.js, Node.js, and modern database technologies — delivering clean, scalable, and production-ready systems.

I've worked with startups and agencies to ship real products: from AI-powered platforms and e-learning systems to logistics dashboards and automation tools. I care about clean architecture, performance, and writing code that lasts. Whether contributing to a team or building systems end-to-end, I focus on engineering solutions that scale.

My Journey

Work Experience

Full-stack Developer

Current

CodeMyPixel · Contract · Narayanganj District, Dhaka, Bangladesh · Remote

Jun 2025 - Present · 4 mos

Led end-to-end development of robust MERN applications from concept to deployment, enhancing user experience and delivering powerful business tools.

Engineered an AI-powered content automation platform (TopFloorTrends) — reduced manual content processing time by ~70% through automated ingestion → creation → distribution pipeline.
Integrated third‑party AI APIs to generate short-form videos, titles, descriptions, and SEO keywords from YouTube/TikTok/Spotify content, serving 500+ automated tasks.
Built Node.js + Express REST APIs with MongoDB for users, automation queues, and content assets — designed with rate limiting and caching for scalability.
Designed and implemented a logistics/moving services platform (De Vrachtpatser) with intuitive item selection, box sizing, and add-on services — optimized API response time to <200ms.
Integrated Google Places Autocomplete for accurate pickup/destination addresses, improving address accuracy by 95%.
Developed a secure backend with JWT auth + RBAC and a custom React-based admin panel for leads, customers, drivers, and analytics, incl. digital signatures.

Frontend Developer

appmakers co · Contract · Khulna, Bangladesh · Remote

May 2025 - Jun 2025 · 2 mos

Built the Privatune e-learning platform UI from scratch with a performant, responsive, and scalable Next.js + TypeScript stack.

Implemented brand-new UI with 20+ reusable components and integrated complex backend APIs for seamless data flow.
Optimized performance — improved Lighthouse score from 62 to 90+ through code splitting, lazy loading, and image optimization.
Collaborated with product/design to launch the redesigned, production UI to 2,000+ active students.

My Process

How I Build Software

Watch my development workflow unfold frame by frame — from initial requirements to continuous iteration.

● START

Requirements Analysis

Gathering stakeholder needs, defining scope, and documenting clear specifications before writing a single line of code.

System Design

Architecting scalable solutions — database schemas, API contracts, and component hierarchies mapped out upfront.

Implementation

Writing clean, modular code with best practices — type safety, reusable components, and maintainable patterns.

Testing & QA

Unit tests, integration tests, and end-to-end checks to catch bugs early and ensure rock-solid reliability.

Deployment

CI/CD pipelines, containerization, and zero-downtime deployments to production environments.

Monitoring & Maintenance

Performance tracking, error logging, and proactive updates to keep the system healthy and secure.

Iteration & Feedback

Collecting real user feedback, analyzing metrics, and shipping improvements in rapid sprint cycles.

● END

● START

Requirements Analysis

Gathering stakeholder needs, defining scope, and documenting clear specifications before writing a single line of code.

System Design

Architecting scalable solutions — database schemas, API contracts, and component hierarchies mapped out upfront.

Implementation

Writing clean, modular code with best practices — type safety, reusable components, and maintainable patterns.

Testing & QA

Unit tests, integration tests, and end-to-end checks to catch bugs early and ensure rock-solid reliability.

Deployment

CI/CD pipelines, containerization, and zero-downtime deployments to production environments.

Monitoring & Maintenance

Performance tracking, error logging, and proactive updates to keep the system healthy and secure.

Iteration & Feedback

Collecting real user feedback, analyzing metrics, and shipping improvements in rapid sprint cycles.

● END

7 Phases

Agile Sprints

Production Ready

My Work

Featured Projects

A selection of engineering projects and client solutions I've built. Each project solves real business problems.

AgriSmart - AI-Powered Farming Assistant

An AI-powered agricultural web platform designed to assist farmers with data-driven decisions, offering intelligent solutions for crop selection, disease detection, and management.

Next.js

React.js

TypeScript

Shadcn

Node.js

Express.js

MongoDB

Gemini API

Engineering Highlights

•Designed modular folder architecture with separation of concerns
•Integrated AI/ML prediction API with error handling & fallbacks
•Optimized image loading with Next.js Image component for 40%+ faster LCP

Live Demo Source Code

Privatune - Educational Learning Platform

PRIVATE

A comprehensive educational platform where students can enroll in admission-related courses for Bangladeshi private universities, watch videos, attend exams, and purchase educational materials.

React.js

Tailwind CSS

Node.js

Express.js

MongoDB

Firebase Authentication

Stripe API

Engineering Highlights

•Built reusable component library with 20+ shared UI components
•Implemented role-based access control (RBAC) for multi-user types
•Achieved 90+ Lighthouse performance score with code splitting & lazy loading

Live Demo

🔒 Private repository

Digital Electronics Hub

A full-stack e-commerce platform for digital electronics enthusiasts, allowing users to explore, save, and purchase products with integrated AI chatbot assistance.

Next.js

Tailwind CSS

Node.js

Express.js

MongoDB

JWT

Gemini API

Recharts

Live Demo Source Code

TopFloorTrends - AI-Powered Content Automation

PRIVATE

A full-stack AI automation platform to empower content creators, handling the entire workflow from content ingestion to distribution.

React.js

Node.js

Express.js

MongoDB

Tailwind CSS

TypeScript

AI APIs

Engineering Highlights

•Designed REST API architecture with rate limiting & caching
•Built real-time dashboard with WebSocket-powered live data updates
•Deployed with CI/CD pipeline and environment-based configuration

Live Demo

🔒 Private repository

Job Box - Modern Job Portal Platform

A platform that connects job seekers, recruiters, and administrators, enabling new job management, applications, and recruitment processes with role-based authentication.

React.js

React Router

Tailwind CSS

Node.js

Express.js

MongoDB

Firebase Authentication

Live Demo Source Code

RentRental - A Car Rental Platform

Your ultimate car rental platform to explore, manage, and book your preferred vehicles seamlessly.

React.js

React Router

Tailwind CSS

Node.js

Express.js

MongoDB

Firebase Authentication

Live Demo Source Code

MovieEra

Your ultimate movie portal to explore, manage, and favorite your preferred films.

React.js

React Router

Tailwind CSS

Node.js

Express.js

MongoDB

Firebase Authentication

Context API

Live Demo Source Code

CareSync AI - AI-Powered Healthcare Assistant

An intelligent healthcare platform that automates appointment scheduling, prescription reminders, report summarization, and follow-ups for patients and doctors.

React.js

Node.js

Express.js

MongoDB

TypeScript

Tailwind CSS

AI APIs

Twilio

Live Demo Source Code

What I Build