Portfolio Showcase

Featured
Projects

Two decades of software development evolution. From early web applications to modern telecommunications systems and AI-integrated solutions. Each project represents a milestone in the journey of continuous innovation and technical excellence.

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portfolio.js
// 20+ years of development evolution const portfolio = { "2000-2010": { "focus": "Foundation & WordPress", "technologies": ["PHP", "MySQL", "JS"] }, "2010-2020": { "focus": "Telecommunications", "scale": "Enterprise" }, "2020-Present": { "focus": "AI Integration", "approach": "Modern Stack" } }
20+
Years Experience
50+
Projects Completed
8
Technology Categories
100%
Client Satisfaction

Highlighting projects that demonstrate technical excellence, innovation, and measurable impact. Each represents a unique challenge solved with strategic thinking and robust implementation.

Enterprise • Telecommunications

High-Availability Telecommunications Platform

Enterprise Telecom Systems

Designed and implemented mission-critical telecommunications infrastructure processing 10M+ daily transactions with 99.99% uptime SLA. Built distributed systems with database sharding, real-time messaging via WebSockets, and comprehensive monitoring for 24/7 operations.

📈
Volume
10M+ transactions/day
⏱️
Uptime
99.99% SLA
⚡
Performance
70% latency reduction
🔄
Architecture
Distributed systems
CMS • E-commerce

Custom WordPress & WooCommerce Solutions

50+ Client Websites

Developed custom WordPress themes and advanced plugins for diverse industries. Specialized in performance optimization, custom post types, WooCommerce integration, and workflow automation. Built scalable solutions handling high-traffic websites with optimized database queries and caching strategies.

🎨
Themes
Custom themes
🔌
Extensions
Advanced plugins
🛒
E-commerce
WooCommerce custom
⚡
Optimization
High-traffic ready
SaaS • PHP Tooling

PHPMonitor — Server Health Dashboard

php.raj.it.com

Built a multi-tenant SaaS platform that gives PHP agencies a consolidated health dashboard for all their client servers. A zero-dependency single-file agent (PHP 7.4+) collects OPcache stats, PHP-FPM metrics, error log counts, and cron job heartbeats every five minutes and ships them to the central dashboard — which surfaces live charts, configurable alerts, and per-server onboarding in a clean dark UI.

🖥️
Architecture
Multi-tenant SaaS
⚡
Agent
Zero dependencies
🔔
Alerts
Sub-minute firing
💳
Billing
Stripe integrated

Project Categories

Filter projects by technology focus and development era to explore the evolution of my technical expertise across different domains.

Development Portfolio

A comprehensive showcase of projects spanning two decades of software development, from early web applications to cutting-edge AI-integrated systems.

Web ⭐ Featured

Mobily

Canadian privacy-focused link shortening service with real-time analytics, custom domains, and PIPEDA-compliant data hosting.

Jun 2023
Web ⭐ Featured

TechSynergy

Professional web development company in Markham, Ontario, specializing in custom websites, e-commerce solutions, and digital marketing for Canadian businesses.

Jan 2023
Web

Tamilagaval

A Tamil-language creative platform publishing original poems, songs, and lyrics by Rajeswaran Thangarajah — free Tamil kavithai and paadal varigal with an installable music player and YouTube distribution.

Jun 2026
Web

CrowVault

An API-first developer platform exposing hundreds of code-generation tools through a single API call — generate production-ready Dockerfiles, Kubernetes manifests, database schemas, API endpoints, and cloud infrastructure for AWS, GCP, and Azure. Free tier available.

May 2026

Development Journey

Two decades of continuous learning and adaptation to emerging technologies, from early web development to modern AI integration.

The beginning of a transformative journey into web development. Started with mastering the fundamentals of HTML and CSS, creating static websites and learning the principles of web design. Progressed to dynamic web applications using PHP and MySQL, building database-driven systems and understanding server-side architecture. This era established the foundation for all future development work, emphasizing clean code, semantic markup, and database normalization principles.

Key Achievements

  • Built first dynamic websites with PHP and MySQL integration
  • Mastered database design and SQL optimization techniques
  • Created custom content management solutions for small businesses
  • Learned JavaScript for client-side interactivity and form validation

Technologies

HTML/CSS PHP MySQL JavaScript Apache Linux

Recognized the potential of WordPress early in its evolution and became an early adopter during the CMS revolution. Specialized in creating custom WordPress themes from scratch, developing complex plugins, and extending WordPress functionality for enterprise clients. This era marked the transition from building everything from scratch to leveraging powerful frameworks while maintaining code quality. Developed expertise in theme customization, plugin architecture, and WordPress best practices that would serve thousands of websites.

Key Achievements

  • Developed custom WordPress themes for diverse industries
  • Created advanced plugins with custom post types and taxonomies
  • Built e-commerce solutions using WooCommerce customizations
  • Optimized WordPress performance for high-traffic websites
  • Implemented custom admin interfaces and workflow automation

Technologies

WordPress Custom Themes Plugin Development WooCommerce jQuery AJAX

A pivotal career shift into enterprise telecommunications, working on mission-critical systems that demanded 99.99% uptime and sub-second response times. Developed expertise in building scalable, fault-tolerant systems capable of handling millions of transactions daily. This decade focused on real-time communication platforms, distributed architectures, and high-availability infrastructure. Worked with telecom giants to build systems that power modern communication networks, gaining deep knowledge in concurrent programming, load balancing, database replication, and disaster recovery strategies.

Key Achievements

  • Architected telecommunications platforms handling 10M+ daily transactions
  • Implemented real-time messaging systems with WebSocket and long-polling
  • Built high-availability systems with 99.99% uptime SLAs
  • Designed database sharding strategies for horizontal scalability
  • Developed monitoring and alerting systems for 24/7 operations
  • Optimized system performance reducing latency by 70%

Technologies

Real-time Systems High Availability PostgreSQL Redis WebSockets Load Balancing Microservices

Embracing the AI revolution and modern development paradigms. This current era focuses on integrating artificial intelligence and machine learning into full-stack applications, creating intelligent systems that learn and adapt. Leveraging cloud-native architectures, containerization, and CI/CD pipelines for rapid deployment. Building systems that combine traditional software engineering excellence with modern AI capabilities, creating solutions that are both powerful and user-friendly. This era represents the convergence of 20+ years of development experience with emerging AI technologies.

Key Achievements

  • Integrated TensorFlow.js for client-side machine learning applications
  • Developed cloud-native applications using Docker and Kubernetes
  • Created automated CI/CD pipelines reducing deployment time by 80%
  • Architected serverless solutions with Lambda and API Gateway
  • Built AI-powered analytics dashboards with real-time predictions

Technologies

Machine Learning Serverless Lambda Artificial Intelligence TensorFlow.js Docker Kubernetes CI/CD API Gateway

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20+ years experience
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From concept to deployment