Full-Stack Web Developer

Creating tailored web solutions since 1999

Experienced full-stack developer creating tailored web applications, from enterprise ERPs to content management systems, with deep vanilla JavaScript expertise.

About

Over two decades of experience building robust, scalable web solutions that drive business success.

I'm a self-taught full-stack developer with over 25 years of experience building custom web solutions for businesses of all sizes. Since 1999, I've helped organizations transform their operations through thoughtfully designed applications that prioritize user experience and business outcomes.

My expertise lies in creating robust, scalable solutions using vanilla JavaScript, HTML, and CSS, ensuring optimal performance without unnecessary framework dependencies. I've successfully guided companies through multiple technology transitions, scaling systems alongside business growth from startup to enterprise level.

Whether you need a complex enterprise system, content management platform, or innovative web application, I bring both the technical expertise and business acumen necessary to deliver solutions that provide measurable value.

25+
Years Experience
400+
Users Served
5
Business Units
100%
Custom Solutions

Services

Comprehensive web development services tailored to meet your specific business requirements and technical objectives.

Custom Web Applications

Tailored solutions built from the ground up to address your specific business challenges, utilizing modern web technologies and industry best practices for optimal performance and scalability.

🏢

Enterprise System Development

Comprehensive business applications including ERP systems, content management platforms, and multi-tenant architectures designed to scale with your organization's growth.

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Legacy System Modernization

Strategic migration and optimization of existing systems, transitioning from legacy technologies to modern web platforms while preserving critical business functionality.

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Performance-Critical Applications

High-performance solutions built with vanilla JavaScript, optimized for speed and efficiency without the overhead of heavy frameworks or unnecessary dependencies.

📱

Hybrid & PWA Development

Cross-platform applications that deliver seamless experiences across desktop and mobile devices, featuring offline capabilities and native-like performance.

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Full-Stack Development

End-to-end solutions encompassing frontend interfaces, backend systems, database architecture, API development, and third-party system integrations.

Technologies & Expertise

Deep technical expertise across the full development stack, with specialized experience in performance-critical and enterprise-scale applications.

Core Technologies

Frontend Development

JavaScript (ES6+), HTML5, CSS3, Responsive Design, Progressive Web Apps

Backend Development

Node.js, Classic ASP, RESTful APIs, Microservices Architecture

Mobile Development

Cordova, Cross-platform Apps, iOS & Android Development

Database Systems

MS SQL Server, Database Architecture, Performance Optimization, Multi-tenant Design

Integration & APIs

Third-party APIs, Payment Systems, Banking Integration, Real-time Processing

IoT & Hardware

Raspberry Pi, GPIO Control, Hardware Integration, Embedded Systems

Specialized Experience

System Architecture

Multi-tenant Platforms, Microservices, Scalable Infrastructure, Legacy Migration

Real-time Systems

WebSockets, Live Data Processing, Synchronized Gaming, Competition Platforms

IoT & Hardware Integration

Raspberry Pi Development, GPIO Control, Remote Hardware Control, Embedded Systems

Mobile Applications

Cross-platform Development, Cordova Framework, iOS & Android Apps

Business Applications

ERP Systems, Content Management, Booking Platforms, Financial Processing

Performance Optimization

Vanilla JavaScript Solutions, Database Optimization, Caching Strategies

Industries Served

Event Management

Equipment rental, logistics coordination, financial management systems

Gaming & Entertainment

Real-time gaming platforms, competition management, prize distribution

Hospitality & Real Estate

Booking systems, space management, corporate meeting solutions

Content & Media

Multi-site management, content consolidation, publishing platforms

Development Process

A proven methodology focused on understanding business needs, delivering quality solutions, and ensuring long-term success.

01

Discovery & Analysis

Comprehensive analysis of business requirements, technical constraints, and user needs. I work closely with stakeholders to understand current challenges and define clear objectives for the solution.

02

Architecture & Planning

Design scalable, maintainable system architecture with careful consideration of future growth, technology choices, security requirements, and integration needs.

03

Iterative Development

Agile development approach with regular stakeholder feedback, ensuring the solution evolves to meet changing requirements while maintaining quality and timeline commitments.

04

Quality Assurance

Comprehensive testing including functionality, security, performance optimization, and user acceptance testing to ensure robust, production-ready solutions.

05

Deployment & Support

Smooth production deployment with ongoing support, maintenance, and system optimization to ensure continued performance and user satisfaction.

Featured Projects

A selection of key projects that demonstrate technical expertise, business impact, and innovative problem-solving across diverse industries.

Multi-Tenant Event Equipment ERP Platform

20-Year Evolution • 400+ Users • 5 Business Units

A comprehensive business management system that evolved from a simple order tracking application to a sophisticated multi-tenant platform, supporting a company's expansion from basic equipment rentals to a major event services provider operating five distinct business units.

System Architecture

  • Microservices architecture with separated API layers
  • Multi-tenant database design for scalability
  • Automated background services and integrations
  • Centralized user management across business units

Business Features

  • Banking system integration for payment processing
  • Comprehensive financial management and reporting
  • Advanced inventory and logistics coordination
  • Third-party software integrations and APIs
JavaScript Node.js HTML5 CSS3 MS SQL Server Material Design REST APIs

Multi-Site Content Portal & CMS

Content Consolidation • Custom CMS • Legacy Migration

Successfully consolidated dozens of independent websites into a unified content portal with comprehensive management capabilities. Developed custom editing tools for content that previously lacked any management system, enabling efficient content operations across the entire digital portfolio.

Content Management

  • WYSIWYG content editing interface
  • Custom metadata management forms
  • Content type standardization framework
  • Unified navigation and site architecture

Migration & Integration

  • Database export and manual content extraction
  • Content structure standardization process
  • Legacy system integration and compatibility
  • Framework restructuring and optimization
JavaScript Classic ASP HTML CSS SQL Server WYSIWYG Editor CMS

Air Race X - Distributed Competition Platform

Global Racing • Real-Time Rankings • Algorithmic Fairness

Developed an innovative air racing platform that revolutionizes competitive aviation by enabling pilots to compete from their home locations while maintaining fair and verified results through sophisticated data processing and algorithmic fairness systems.

Competition Management

  • Distributed global racing coordination
  • Real-time ranking calculation and display
  • Comprehensive tournament management tools
  • Pilot account and team management system

Fairness & Validation

  • File verification and validation systems
  • Weather condition handicap calculations
  • GPS location-based race adjustments
  • Wind speed and environmental compensation
JavaScript Node.js HTML5 CSS3 Real-time Processing Public API Algorithms

Doodoo - Real-Time Quiz Gaming Platform

Startup Project • Cross-Platform Mobile • Synchronized Gaming

Founded and developed a real-time quiz gaming platform featuring synchronized daily competitions. Players compete in precisely timed trivia games where questions are delivered simultaneously to all participants, with only correct answers advancing to the next round. Built using vanilla web technologies and deployed as native mobile apps.

Real-Time Gaming Engine

  • WebSocket-based synchronized question delivery
  • 10-second response window with elimination rounds
  • Simultaneous gameplay across all connected devices
  • Progressive elimination (only correct answers advance)

Platform & Distribution

  • Cross-platform mobile apps (iOS & Android)
  • One daily game at scheduled time
  • Prize sharing system among all winners
  • Event-based participation model
Vanilla JavaScript HTML5 CSS3 Cordova WebSockets Real-time Sync Mobile Apps

Click-Office - Smart Meeting Room Platform

IoT Integration • Mobile Apps • Hardware Control

Innovative meeting room booking platform that combines mobile applications, payment processing, and IoT hardware integration. Users book meeting rooms through mobile apps and unlock doors directly from their phones during reserved time slots. Built the complete system including mobile apps, backend infrastructure, and Raspberry Pi-based door control hardware.

Smart Access Control

  • Mobile app-controlled door unlocking system
  • Session-based access (button enabled only during rental)
  • Raspberry Pi hardware integration with physical locks
  • Real-time WebSocket communication with door hardware

Complete Platform

  • Cross-platform mobile apps (iOS & Android)
  • Real-time booking and payment processing
  • Backend API with payment gateway integration
  • GPIO pin control for physical lock mechanisms
Mobile Apps Raspberry Pi IoT Integration WebSockets Payment API Hardware Control GPIO

Let's Discuss Your Project

Ready to transform your business operations with a custom web solution? I'm available for freelance projects and open to discussing full-time opportunities with the right organization.