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Saiful Islam.
PHP Backend Engineer · WordPress Product Developer

I Build Reliable Web Products,
Backends & WordPress Systems.

PHP backend systems, custom WordPress products, and scalable web solutions built for real-world businesses.

View My Work Let's Work Together
PHP · WordPress · WooCommerce · MySQL · REST API · SaaS
backend-engine.php ● Live
PHP 8+ · OOP REST API WordPress WooCommerce
SYSTEM PIPELINE ● 99.9% UPTIME
class SaifulIslam {
public function build(): Product
{
return new PHPBackend([
'stack' => 'Clean OOP',
'cms' => 'WordPress',
'speed' => 'Sub-50ms'
]);
}
}
POWERED BY MODERN TECHNOLOGIES
PHP
WordPress
WooCommerce
MySQL
REST API
JavaScript
Git
GitHub
Saiful Islam
ABOUT

Meet Saiful Islam.

“I'm Saiful Islam, a backend-focused PHP and WordPress developer who turns complex business requirements into reliable, scalable digital products.”

My technical expertise spans full PHP Backend Engineering, WordPress Core Architecture, Custom Theme & Plugin Development, WooCommerce Extensions, SaaS Systems, CRM Development, and robust API Integrations. Rather than relying on slow page builders or off-the-shelf wrappers, I build clean object-oriented systems engineered for speed and uptime.

XX+
Projects Completed
XX+
Products Released
XX+
Global Clients
99.9%
Uptime & Reliability
MY PRODUCTS

Products Built for Real Businesses.

Commercial themes, plugins and software products designed for performance, scalability and real-world workflows.

Cartiva
01 / Theme

Cartiva

Premium WooCommerce Theme

High-performance WooCommerce theme built for flexible online stores with zero builder bloat.

WordPress WooCommerce Elementor
Variation Master
02 / Plugin

Variation Master

Advanced WooCommerce Variation Swatches

Transform plain WooCommerce drop-downs into elegant color swatches and image pickers.

PHP WooCommerce AJAX
Quick Checkout Pro
03 / Plugin

Quick Checkout Pro

WooCommerce Checkout Optimization

Streamline WooCommerce checkout into a single-step conversion engine with AJAX validation.

WordPress PHP WooCommerce
WooCommerce Invoice Manager
04 / Plugin

WooCommerce Invoice Manager

PDF Invoice & Packing Slip Engine

Automated PDF invoice generation and order document attachment for WooCommerce stores.

PHP WooCommerce PDF
Explore All Products
BACKEND ENGINEERING

More Than WordPress.

I build the systems, APIs and backend architecture that power modern digital products.

Frontend UI
→
REST API
→
PHP Backend
→
MySQL Database
→
External Services
CORE BACKEND CAPABILITIES & MODULES
Authentication & Sessions Role & Permission Management Database Schema Architecture RESTful API Development Payment Gateway Integration Third-party API Sync Custom Admin Dashboards Automated Background Workers Data Synchronization Pipelines Core Business Logic Security & SQL Protection Performance & Cache Tuning
SERVICES

Development Services Built Around Your Business.

Specialized PHP backend and WordPress development services tailored to your technical requirements.

01

PHP Backend Development

Custom PHP applications, backend architecture, business logic and database systems built for high traffic and maximum uptime.

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02

WordPress Engineering

Custom websites and WordPress solutions designed beyond standard off-the-shelf templates and bloated page builders.

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03

Theme & Plugin Development

Custom commercial WordPress plugins and themes designed for unique business workflows and ThemeForest/Envato marketplace release.

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04

SaaS & CRM Development

Custom SaaS platforms, CRM systems, subscription engines, and web-based business applications built for growth.

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05

WooCommerce Development

Custom WooCommerce checkout flows, product rule engines, payment gateway integrations, and high-volume store optimizations.

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06

API & Third-party Integration

REST APIs, payment gateways, third-party platforms, data synchronization, and automated backend pipelines.

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✓ Backend First
✓ Clean Architecture
✓ Performance Focused
✓ Built to Scale
HOW I WORK

From Requirement to Launch.

A structured, backend-focused process to ensure reliable systems and zero production surprises.

01

Discover

Understand business goals, project requirements, data models, and technical constraints.

02

Architect

Plan the system, prepared database schemas, REST API routes, and technical architecture.

03

Build

Develop clean, modular PHP code, WordPress hooks, custom plugins, themes, and API endpoints.

04

Launch & Scale

Deploy, optimize server queries, setup SSL/caching, and prepare the system for future growth.

MY DEVELOPMENT STACK

Technology Stack & Tooling

Proven core technologies used for backend systems, WordPress architecture, and frontend integrations.

Backend

• PHP 8.x
• MySQL
• REST API

WordPress

• WordPress
• WooCommerce
• Elementor
• Custom Themes
• Custom Plugins

Frontend

• HTML5
• CSS3
• JavaScript

Workflow

• Git
• GitHub
• cPanel
• Hosting
CLIENT REVIEWS

Feedback from International Clients & Agency Owners.

Real feedback from business owners and agency directors who rely on Saiful for high-performance PHP & WordPress architecture.

5.0 ★★★★★ 5.0 Rating
✓ 100% Satisfaction
# CMS & Custom WP
★★★★★

"An outstanding WordPress specialist. Saiful delivered our organization portal on schedule with custom donation integrations and flawless multi-language support."

TM
Dr. Tariq Al-Mansoor
Program Director • Foundation Other Chance
Saudi Arabia
# WooCommerce Optimization
★★★★★

"Our WooCommerce store load speeds dropped below 1.2 seconds after Saiful optimized our checkout funnel and assets. Managing 500+ SKUs is completely painless."

ER
Elena Rostova
E-Commerce Lead • Velour Store
Estonia
# Figma to WordPress
★★★★★

"Saiful transformed our Figma design frames into an exceptionally fast Elementor Pro site. His attention to pixel-perfect alignment, responsive breakpoints, and clean DOM structure is top-tier."

LH
Liam Henderson
Founder & Creative Lead • WebX Hero Agency
United Kingdom
BUILD • SCALE • GROW

Have an Idea? Let's Turn It Into a Real Product.

From PHP applications and SaaS platforms to WordPress themes, plugins and custom backend systems.

Start Your Project Let's Talk
INQUIRY SYSTEM

Let's Build Something Great.

Tell me what you are building and I'll help you determine the right technical approach.

EMAIL ENQUIRIES
hello@saifulislam.dev
LOCATION
Dhaka, Bangladesh (Available Worldwide)