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Hello, I'm Rahul Sharma

I specialize in |

13+ years crafting high-performance web applications, blockchain platforms, and automated trading systems. Turning complex problems into elegant digital solutions.

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The Developer Behind the Code

RA
13+ Years of
Experience
PHP Laravel WordPress Web3 Node.js React

I'm a senior full-stack developer who lives at the intersection of backend engineering and emerging technology. From complex REST API architectures to real-time blockchain lottery systems, I build systems that scale.

Over 13 years I've delivered solutions across fintech, e-commerce, health-tech, crypto, and SaaS. My work spans custom WordPress plugins with 10,000+ active installs, high-frequency trading bots on Binance, and decentralised lottery platforms processing thousands of on-chain transactions per day.

🌐
Web Applications

Laravel, Yii2, CodeIgniter, REST APIs, SaaS platforms

⛓️
Blockchain

Smart contracts, Web3.php, BEP-20/ERC-20, DApps

🤖
Trading Bots

Binance API, automated strategies, real-time market data

🔌
WordPress & Plugins

Custom themes, WooCommerce, headless WP, premium plugins

My Expertise

A battle-tested toolkit built across hundreds of real-world projects.

Languages

PHP 98%
JavaScript 92%
Node.js 88%

Frameworks

Laravel 95%
WordPress 90%
CodeIgniter 85%
Yii2 82%
React / Next.js 80%

Databases

MySQL 92%
MongoDB 80%
PostgreSQL 78%
Redis 72%

Blockchain & APIs

Web3 / Smart Contracts 82%
Binance API 88%
REST API Design 95%
Trading Bots 85%
🐘 PHP
🔴 Laravel
🐧 Yii2
🟡 JavaScript
🔵 WordPress
⚛️ React
Next.js
🐬 MySQL
🍃 MongoDB
🟢 Node.js
🔗 Web3
Binance
🐧 Linux

Featured Projects

Real-world products shipped and running in production.

Blockchain Lottery Platform

Decentralised Bitcoin lottery with smart contracts, provably fair draws, and real-time on-chain transaction processing handling thousands of entries daily.

PHP Web3 Smart Contracts MySQL Laravel

Crypto Lottery Platform

Multi-currency crypto lottery with BSC integration, automated prize distribution, admin dashboard, and referral reward system.

Laravel BEP-20 Node.js MongoDB Vue.js

Dispensary Marketplace

Full-featured cannabis dispensary marketplace with geo-location search, vendor dashboards, real-time inventory, and age verification system.

WordPress WooCommerce PHP MySQL Google Maps API

Big Articles Platform

Content publishing platform with AI-assisted writing, SEO optimisation, monetisation tools, and a contributor management system.

Laravel MySQL Redis Elasticsearch AWS

Binance Trading Bot

Automated crypto trading system using Binance API with RSI/MACD strategies, backtesting engine, Telegram alerts and live portfolio tracking.

PHP Binance API MySQL Node.js WebSocket

Multi-Vendor SaaS Platform

White-label SaaS marketplace with Stripe subscriptions, multi-tenancy, role-based access control, and detailed analytics dashboards.

Laravel React PostgreSQL Stripe Redis

Case Studies

Real problems. Engineered solutions. Measurable results.

01
⛓️

Blockchain Lottery at Scale

Problem

Client needed a provably-fair lottery platform handling 5,000+ daily transactions with zero downtime and real-time on-chain settlement.

Solution

Built a PHP + Web3 backend with smart contracts on BSC, an event-listener service in Node.js, and a Redis queue for peak load management.

Result

99.98% uptime, $2M+ in prizes distributed, 12,000 registered users within 3 months of launch.

02
🤖

High-Frequency Trading Bot

Problem

A crypto trading firm needed an automated system to execute multi-strategy trades on Binance with sub-second reaction to market signals.

Solution

Engineered a PHP + WebSocket bot with configurable RSI/MACD strategies, a backtesting engine, portfolio risk management, and Telegram notifications.

Result

340% ROI in backtests, deployed live with $50K portfolio, averaging 8% monthly return over 6 months.

03

Enterprise WordPress Overhaul

Problem

Legacy WooCommerce site with 50K SKUs was loading in 12+ seconds and crashing under traffic spikes during promotions.

Solution

Rewrote custom plugins, implemented Redis object caching, CDN integration, lazy loading, and a headless WP + Next.js frontend.

Result

Page load dropped from 12s to 1.2s. Conversion rate up 47%. Zero crashes on 10× normal traffic during Black Friday.

Services I Offer

End-to-end development services tailored for startups, agencies, and enterprises.

💻

Custom Web Development

Full-stack PHP applications built with Laravel, Yii2, or CodeIgniter — scalable, secure, and fast.

🔧

WordPress Development

Custom themes, plugins, WooCommerce stores, and headless WordPress solutions with best-in-class performance.

🔌

API Design & Integration

RESTful API architecture, third-party integrations (Stripe, Twilio, AWS, Google), and microservice design.

🤖

Trading Bot Development

Automated crypto & stock trading bots using Binance, Alpaca, or custom exchange APIs with strategy backtesting.

⛓️

Blockchain Applications

Smart contracts, DApps, token launches (BEP-20/ERC-20), Web3 integrations and on-chain data systems.

Performance & Bug Fixing

Code audits, database query optimisation, caching strategies, and surgical bug resolution for production systems.

What Clients Say

★★★★★
"Alex delivered our blockchain lottery platform ahead of schedule. The code quality was outstanding — clean architecture, thorough testing, and excellent documentation. Our platform now handles 5,000 daily transactions without a hiccup."
JA
🇺🇸 James Harrington CEO, FinTech Startup
★★★★★
"The trading bot Alex built exceeded every benchmark. We saw a consistent 8% monthly return in live trading. More importantly, his communication throughout the project was exceptional — daily updates, fast responses, zero surprises."
SO
🇩🇪 Sophie Müller CTO, Crypto Exchange
★★★★★
"Our WooCommerce store went from loading in 12 seconds to under 1.2 seconds. Sales conversions jumped 47%. Alex diagnosed the bottlenecks nobody else could find and implemented lasting fixes. Absolute expert."
MA
🇬🇧 Marcus Thompson Founder, E-commerce Brand
★★★★★
"We hired Alex to integrate 12 third-party APIs into our platform. He delivered an elegant, maintainable architecture with full documentation. Our dev team was able to understand and extend his work immediately. Will hire again."
PR
🇮🇳 Priya Nair Product Manager, SaaS Co.
★★★★★
"Alex built our entire dispensary marketplace from scratch — geo-search, vendor dashboards, inventory management, age verification. Launched on time, on budget, and the platform has been flawless for 18 months."
CA
🇲🇽 Carlos Ruiz Founder, Marketplace

Let's Collaborate

Have a project in mind? I'd love to hear about it. Send a message or reach out directly.

Direct Contact

Freelance Profiles

Currently accepting new projects