Crafting High-Speed Code & Solving The Toughest Bugs.
I’m Zargham Butt — Senior Full-Stack Engineer & WordPress Core Architect with 10+ years of hands-on production experience. I engineer bespoke WordPress themes & plugins, build scalable custom web applications, and triage complex code bottlenecks with surgical precision.
Engineered for Scale, Built Without Shortcuts.
I don’t rely on fragile, heavy visual page builders or bloated third-party plugins that drag your website down. Everything is authored clean, modular, and optimized for maximum speed and longevity.
Custom WordPress Themes & Plugins
Bespoke, Object-Oriented plugin development tailored to your exact operational requirements. Clean database schemas, secure nonces, custom REST endpoints, Timber/Twig templating, and customized Gutenberg blocks that your editors will love.
- Zero page builder bloat (Elementor/Divi replacement)
- Headless WordPress + REST API / GraphQL integration
- High-volume WooCommerce customization & checkout logic
Full-Stack Custom Development
From robust PHP 8/Laravel and Node.js microservices to modern lightweight frontends in pure vanilla JavaScript or React. Scalable databases, automated webhook pipelines, and secure third-party API integrations (Stripe, PayPal, HubSpot, CRMs).
- Custom SaaS platforms & client portals
- Clean API design, OAuth2 authentication, webhook sync
- Modern component architecture with micro-interactions
The "Bug Hunter" Emergency Diagnostics
When production code breaks, other developers get stuck, or a site suffers from the White Screen of Death, I isolate and resolve the root cause. From PHP fatal crashes and race conditions to rogue background queries and malware disinfection.
- Memory leaks & infinite loops debugging (Xdebug / Sentry)
- Complex plugin conflict isolation without data loss
- Malware backdoor quarantine & database sanitation
Performance & Core Web Vitals 99+
Turn laggy, resource-heavy websites into sub-300ms rocketships. Full-stack optimization: server-level Nginx/OPcache configuration, Redis object caching, MySQL index optimization, CSS/JS tree-shaking, and zero layout shift (CLS 0.000).
- Lighthouse 95–100 Scores across mobile and desktop
- Database query tuning & transient caching layer
- Server-level Redis & Cloudflare edge worker rules
Production Bug Triage Simulator
Click through real-world architectural bugs to inspect how I diagnose and resolve critical production issues.
White Screen of Death (WSOD) & Uncaught Exception
During heavy traffic or third-party plugin updates, PHP crashes silently with an uncaught error. The website renders a blank white page, halting all sales and user interaction.
// Problematic legacy plugin code:
add_action('init', function() {
// Direct unverified method execution without checks
$vendor_api = new LegacyVendorAPI();
$vendor_api->syncOrders(); // Crashes entire WP instance!
});Engineered Hardening & Resilience
// Zargham's Resilient Defensive Implementation:
final class ResilientSyncHandler {
public static function handle(): void {
if (!class_exists('\\Vendor\\API') || !wp_verify_nonce(...)) {
error_log('[ZB Guard] Missing API dependency. Gracefully skipped.');
return;
}
try {
wp_schedule_single_event(time() + 5, 'zb_async_order_sync');
} catch (\\Throwable $e) {
Diagnostics::reportToSentry($e);
}
}
}Architectural Impact & Delivered Projects.
A selection of bespoke systems, performance turnarounds, and custom WordPress implementations built for longevity.
Apex High-Throughput Checkout Engine
Custom OOP WooCommerce plugin bypassing native cart table bottlenecks. Handles 1,200+ concurrent flash-sale checkouts with Redis transaction queues and zero inventory collisions.
Nexus Headless Publishing Engine
Decoupled WordPress core powering a multi-country media network. In-house custom Gutenberg blocks mapped to clean GraphQL nodes, serving 4M+ monthly visitors with edge caching.
Enterprise CWV Recovery & SQL Triage
Rescued a penalized legacy e-commerce platform. Rewrote 42 slow queries, eliminated 1.8MB of unused JS/CSS bloat, and achieved a 99/100 Mobile PageSpeed score within 14 days.
SaaS Webhook & Billing Dispatcher
Resilient subscription management service integrating Stripe Billing with real-time webhook listeners and automatic idempotency key handling to prevent double billing.
VaultSync Enterprise Data Pipeline
Bespoke background synchronization plugin connecting proprietary ERP product inventories with 20,000+ SKU variants via scheduled WP-Cron batches without frontend lag.
PulseMetrics Real-Time API Monitor
Custom monitoring dashboard tracking external API uptime, latency degradations, and automatic SMS/Discord alerts before customers notice outages.
What Founders & CTOs Say.
Direct feedback from founders, engineering heads, and technical leaders who partnered with Zargham for mission-critical software.
"We had a catastrophic White Screen of Death on our highest grossing WooCommerce store during a campaign launch. Zargham isolated a rogue query and plugin collision in 45 minutes flat. He is our go-to engineer for anything critical."
David K.
Founder, E-Commerce Growth Agency (UK)"Zargham built our custom WordPress theme from scratch with zero page builders. The site loads in under 0.3 seconds and our mobile conversions immediately jumped 28%. His attention to clean coding standards is unmatched."
Marcus R.
Head of Engineering, SaaS Brand (US)"Working with Zargham is what every agency owner dreams of. He doesn't just write code; he understands architectural trade-offs, security, and scalability. Over 4 years of partnering with him, he has never missed a deadline."
Sarah T.
Managing Director, Digital Studio (Australia)"Our enterprise platform was suffering from chronic MySQL thread lockups during flash sales. Zargham completely refactored our database indexing and caching layer. Queries dropped from 4.8s to 12ms. Pure engineering brilliance."
Elena Bergmann
Chief Technology Officer, Retail Cloud (Germany)"His custom WordPress plugin engineering is in a different league. Clean OOP, proper transient caching, resilient nonces, and zero memory leaks. You rarely find an engineer with this depth of PHP and fullstack precision."
Alex Chen
Principal Architect, Global Fintech (Singapore)How I Build & Resolve Problems.
A systematic, defensive engineering protocol refined across 10 years of real-world production challenges.
Root Cause Profiling
Every problem starts with data: inspecting server error logs, memory profilers, slow query logs, and call stacks before touching a line of code.
Defensive Architecture
I write self-documenting, OOP-modular code with comprehensive exception handling, input sanitization, and strict data type enforcement.
Stress Testing & Benchmark
Simulating traffic surges, heavy payloads, and memory limits to guarantee that the system never buckles under peak commercial strain.
Zero-Downtime Deployment
Atomic deployments, automated rollback contingencies, and clean documentation so your team can maintain the system with ease.
Let’s Build Something Exceptional.
Whether you need a custom WordPress plugin, fullstack development from scratch, or immediate emergency bug fixing, I’m ready to help.
Direct Channels
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