Full Stack Web Developer
System Architect

15+ years transforming complex business challenges into powerful digital solutions. I build enterprise-grade systems that scale from startup to millions of users, while leading cross-functional teams to ship products that users love and businesses depend on.

๐Ÿ—๏ธSystem Architecture ๐Ÿ‘ฅTeam Mentorship ๐Ÿ”Code Quality โ˜๏ธDevOps Excellence
View My Work Get In Touch

About Me

Senior developer with deep expertise in big data processing, geo-spatial systems, and high-performance backend APIs. I architect scalable solutions, mentor development teams, and lead technical decision-making in complex enterprise environments.

Backend Architecture

Scalable APIs, big data processing, geo-spatial systems with Rails & Node.js

Team Leadership

Mentoring developers, code quality, technical guidance, and knowledge sharing

DevOps & Infrastructure

Docker, Jenkins, CI/CD pipelines, cloud architecture, and system optimization

Experience Highlights

A decade of building scalable systems and leading development teams

6+
Enterprise Projects
15+
Professional Projects
20+
Developers Mentored
100+
YouTube Gaming/Tutorial Videos Uploaded

Technical Skills

Technologies and tools I work with

๐Ÿ”ง Backend & APIs

Ruby on Rails 10+ Years
Node.js + Express Expert
Elixir + Phoenix Advanced
Sinatra Expert

๐ŸŽจ Frontend

React Expert
Material-UI 4+ Years
UI/UX Design 4+ Years
Next.js Advanced
Tailwind CSS Advanced

๐Ÿ“ฑ Mobile

Flutter Advanced
Dart Advanced
React Native Advanced
iOS/Android Deployment

๐Ÿ“Š Big Data & Geo

PostGIS/Spatial Data Advanced
ElasticSearch Advanced
Redis/Caching Expert
Data Processing Advanced

โš™๏ธ DevOps & Infrastructure

Docker Expert
CI/CD Automation Expert
Nginx/Load Balancing Expert
Ruby/Node Scripting Expert

โ˜๏ธ Cloud

Vultr VPS Production
AWS Expert
Railway Hobby
Vercel Next.js
Render Rails
Heroku Legacy

๐Ÿ‘ฅ Leadership & Mentoring

Code Quality Daily
Junior Mentoring 10+ Years
Technical Guidance Senior
Architecture Decisions Lead

๐Ÿงช Testing & Automation

Cucumber BDD Expert
Selenium + Ruby Expert
Test Automation Expert
RSpec/Jest Expert

๐Ÿ“ˆ Marketing & SEO

SEO Optimization 1+ Year
Digital Marketing Experience
Google Ads Campaign
Analytics Tracking

๐ŸŽฎ Gaming & Fun

DOTA 2 Squad Goals
Age of Empires Strategy
Insurgency Tactical
Clash of Clans Mobile

๐Ÿ’ป Programming Languages

Ruby 15+ Years
JavaScript/TypeScript Expert
Elixir Advanced
Dart Advanced
Java/C++ Foundation

โšก Frameworks & Libraries

Ruby on Rails 15+ Years
Express/Node.js Expert
Next.js Advanced
Phoenix/Elixir Advanced
Sinatra Expert
Cucumber/Selenium Testing Expert

Featured Projects

Some of my recent work and side projects

Atofon Logo

Atofon - B2B Construction Marketplace

Live startup from Namakkal - Complete B2B marketplace for construction & industrial supplies with buyer and seller apps. Anonymous quotes, secure transactions.

Live Startup B2B Marketplace Web + Mobile Production
Buyer App โ†’ Seller App โ†’
Available on App Store & Play Store
Its Me

Personal Portfolio & Tech Showcase

Full-stack Rails 8 application featuring modern responsive design, automated Docker deployment, and optimized asset pipeline. Showcases technical expertise and project portfolio.

Rails 8 Tailwind CSS Docker Responsive
View Source โ†’
Surya's Cookware Logo

Surya's Cookware - Cast Iron Cookware

Premium traditional cast iron cookware manufacturer and distributor. E-commerce platform with product catalog, bulk ordering, and B2B capabilities.

โœ… Live Next.js E-commerce Manufacturing
Visit Site โ†’
Vega Tools & Hardwares Logo

Vega Tools & Hardwares

Professional portfolio website for a construction tools and hardwares store. Showcasing product categories, services, and company information with a clean, modern design.

โœ… Live Rails Portfolio Hardware Store
Visit Site โ†’
Never Before Marketing Logo

Never Before Marketing

Digital marketing agency platform showcasing services, case studies, and client testimonials. SEO-optimized with lead generation forms and service packages.

โœ… Live Next.js Marketing SEO
Visit Site โ†’

Let's Work Together

Have a project in mind? Let's discuss how I can help bring it to life.

Get in Touch

desinghrajan@gmail.com
LinkedIn Profile
GitHub Profile
Twitch Stream
YouTube Channel

Professional Services

  • โ€ข Backend API Development (Rails, Node.js, Elixir)
  • โ€ข Frontend Development (React, Material-UI, 4+ years UI/UX)
  • โ€ข Test Automation (Cucumber, Selenium, CI/CD)
  • โ€ข System Architecture & Technical Leadership
  • โ€ข DevOps & Infrastructure (Docker, Automation)
  • โ€ข SEO & Digital Marketing Optimization
  • โ€ข Technical Consulting & Team Mentoring