SAIFUL
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Full-Stack Web Developer / eCommerce Specialist
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FULL STACK WEB DEVELOPER    ECOMMERCE SYSTEMS    FULL STACK WEB DEVELOPER    ECOMMERCE SYSTEMS

CORE CAPABILITIES
Frontend (HTML/CSS/JS) Expert
WordPress & WooCommerce Advanced
PHP & Backend Logic Advanced
eCommerce Systems Advanced
TELEMETRY / ACTIVE
Saitama, Japan
--:--:-- JST
Available for freelance, contract, and full-time roles
Saiful Islam portrait
Full-Stack Web Developer / eCommerce Specialist
SAIFUL ISLAM

Building custom WordPress, eCommerce, and business-focused web solutions.

WElcome
Full-Stack Web Developer / eCommerce Specialist
Saiful Islam

Building custom WordPress, eCommerce, and business-focused web solutions.

Saiful Islam portrait
Saitama, Japan
--:--:-- JST
Available for freelance, contract, and full-time roles
Core Capabilities
Frontend (HTML/CSS/JS) Expert
WordPress & WooCommerce Advanced
PHP & Backend Logic Advanced
eCommerce Systems Advanced
02 / THE PROFILE
Saiful Islam

BEYOND
SYNTAX.

Full-Stack Web Developer with 5+ years of experience building scalable web platforms, eCommerce systems, and business-focused digital products. Specialized in WordPress, PHP, and API integrations — delivering solutions that improve performance, automate workflows, and support real business growth.

02 / JOURNEY / PHASE 1
2019

2019

THE FOUNDATION

Started building custom websites and WordPress solutions across multiple industries, including esports platforms, travel websites, and business landing pages — focusing on frontend development and user experience.

02 / JOURNEY / PHASE 2
2022

2022

EXPANDING THE STACK

Transitioned into full-stack development, building dynamic eCommerce platforms and backend systems. Developed automation tools using Node.js and Docker, expanding into system architecture and scalable solutions.

02 / JOURNEY / PHASE 3
2024

2024

THE JAPAN JOURNEY

Relocated to Japan and worked on corporate platforms and cross-border eCommerce systems. Implemented payment integrations, logistics workflows, and optimized performance for international users.

02 / JOURNEY / PHASE 4
2025

2025

GOING PRO

Architected large-scale cross-border platforms, including car dealership systems with dynamic filtering, country-based pricing, and shipping calculations. Built internal tools and business systems using custom PHP and MySQL.

02 / The Profile
Saiful Islam

Beyond
Syntax.

Full-Stack Web Developer with 5+ years of experience building scalable web platforms, eCommerce systems, and business-focused digital products.

Specialized in WordPress, PHP, and API integrations — delivering solutions that improve performance, automate workflows, and support real business growth.

02 / Journey

Growth
Timeline

2019
2019

The Foundation

Started building custom websites and WordPress solutions across multiple industries, including esports platforms, travel websites, and business landing pages — focusing on frontend development and user experience.

2022
2022

Expanding the Stack

Transitioned into full-stack development, building dynamic eCommerce platforms and backend systems. Developed automation tools using Node.js and Docker, expanding into system architecture and scalable solutions.

2024
2024

The Japan Journey

Relocated to Japan and worked on corporate platforms and cross-border eCommerce systems. Implemented payment integrations, logistics workflows, and optimized performance for international users.

2025
2025

Going Pro

Architected large-scale cross-border platforms, including car dealership systems with dynamic filtering, country-based pricing, and shipping calculations. Built internal tools and business systems using custom PHP and MySQL.

03 / CORE TECHNOLOGIES

TECH MATRIX

A practical stack used to build scalable websites, eCommerce platforms, and business systems.
// HOVER OVER MODULES TO INSPECT PROFICIENCY

SYS.01

JAVASCRIPT

INTERACTIVITY & FRONTEND LOGIC

SYS.02

NODE.JS

AUTOMATION & BACKEND TOOLS

SYS.03

PHP

BACKEND DEVELOPMENT

SYS.04

MYSQL

DATABASE DESIGN & QUERIES

SYS.05

WORDPRESS

CUSTOM THEMES & SITE BUILDING

SYS.06

ECOMMERCE

PAYMENTS, SHIPPING & CATALOG LOGIC

SYS.07

HTML & CSS

RESPONSIVE UI STRUCTURE

SYS.08

REST APIS

THIRD-PARTY INTEGRATIONS

SYS.09

DOCKER

CONTAINERS & DEV ENVIRONMENTS

SYS.10

GIT

VERSION CONTROL WORKFLOW

SYS.11

LINUX

SERVER SETUP & MAINTENANCE

SYS.12

ELEMENTOR / BUILD TOOLS

VISUAL LAYOUT & RAPID EXECUTION

03 / Core Technologies

Tech Matrix

A practical stack used to build scalable websites, eCommerce platforms, and business systems.

// Curated capability groups for mobile
SYS.01

Frontend Systems

UI Structure, Interactivity & Responsive Execution

HTML & CSS 97%
JavaScript 95%
Responsive UI Interaction Logic Custom Layouts
SYS.02

Backend & Data

Application Logic, Databases & Integrations

PHP 94%
MySQL 90%
REST APIs 92%
API Integration Database Logic Custom Systems
SYS.03

WordPress & eCommerce

Site Building, Store Logic & Commercial Workflows

WordPress 96%
eCommerce Systems 95%
Elementor / Build Tools 93%
WooCommerce Payment Flows Shipping Logic
SYS.04

Tools & Infrastructure

Workflow, Automation & Environment Management

Node.js 86%
Git 88%
Docker 82%
Linux 84%
Automation Deployment Dev Workflow
04 / PROJECTS

PROJECT
CITY.

Explore a selection of real-world projects, including eCommerce platforms, business systems, and custom web solutions. Each project is built with a focus on performance, scalability, and practical business impact.

City Map
Cross-Border Car Dealership
Global Storefront Platform
Corporate Web Presence
Cross-Border eCommerce Platform
IT Solutions Redevelopment
Esports Platform Development
Internal Tracking Portal
Travel Booking Platform
Food & Beverage Website
04 / Selected Work

Featured Projects

A curated selection of platforms, eCommerce systems, and business-focused digital products built across multiple industries.

Automotive Platform May 2025 – Dec 2025
P.01

Cross-Border Car Dealership

Developed a cross-border dealership platform for a Japan-based automotive company operating across 30+ countries.

PHPMySQLWordPressJavaScript
450+ Vehicles Managed
~25% Inquiry Growth
eCommerce Platform Jan 2025 – Apr 2025
P.02

Cross-Border eCommerce Website

Built the company’s first cross-border eCommerce platform, transitioning from manual social media sales to a structured global storefront.

WordPressPHPJavaScriptPayments
200+ Products Structured
~20% Sales Increase
Corporate Website Nov 2024 – Dec 2024
P.03

Corporate Web Presence

Developed the company’s first corporate website, establishing a professional global presence and improving product communication.

HTMLCSSJavaScript
1st Official Corporate Site
Taiwan Confirmed Inquiry Source
eCommerce Platform Sep 2022 – Dec 2023
P.04

Cross-Border eCommerce Platform

Built a cross-border eCommerce platform from scratch, enabling international product sales with integrated payment systems.

PHPMySQLWordPressAPIs
600+ Products Managed
~60% Checkout Improvement
Internal Web Application Oct 2025 – Nov 2025
P.05

Work Tracking & Inventory System

Developed a custom internal web application replacing paper-based employee tracking and inventory systems.

PHPMySQLDashboardCRUD
150+ Products Cataloged
~60% Manual Work Reduced
Platform Oct 2020 – Feb 2022
P.06

Esports Platform Development

Developed a scalable esports platform supporting tournament scheduling, team registration, and payment-enabled merchandise modules.

WordPressPHPMySQLJavaScript
~35% Registration Growth
Secure Payment Integration

Tech Stack

Key Highlights

    Project Showcase
    05 / Contact & Opportunities

    LET'S
    WORK
    TOGETHER

    Available for freelance, contract, and full-time opportunities. I build custom WordPress, eCommerce, and business-focused web solutions for brands that need clean execution, scalable systems, and real-world functionality.

    Share your project, role, or idea. A short brief is enough to start the conversation.

    Rumman Saiful Islam

    Rumman Saiful Islam

    Full-Stack Web Developer / eCommerce Specialist

    Based in Misato, Saitama, Japan
    Open to freelance, contract, and full-time work
    Best fit for WordPress, eCommerce, custom business sites, and web systems
    hello@sislam.net
    05 / Contact

    Let's Work Together

    Open to freelance, contract, and full-time opportunities. Quick message or email is enough to get started.

    Based in Japan · Available globally WordPress · eCommerce · Custom Web Systems
    FULL-STACK

    SAIFUL ISLAM

    Full-Stack Web Developer / eCommerce Specialist

    Download Resume
    FULL-STACK

    Saiful Islam

    Full-Stack Web Developer / eCommerce Specialist

    Saiful Islam Rumman
    Download Resume