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Skills

  • Amazon
  • API
  • Developer
  • eBay API
  • PHP
  • JavaScript
  • jQuery
  • Bootstrap
  • HTML5
  • Map API
  • Animation
  • Cartography
  • CSS3
  • D3.js

Services

  • Web Programming

    $5/hr Starting at $25 Ongoing

    Dedicated Resource

    Strengths=======Can understand any complex problems/requirements very easilyAbility to clarify till I understandRaise the doubts immediately during the workFocus more onn custmer satisfaction by providing...

    AmazonAnimationAPIBootstrapCartography

  • Database Design

    $5/hr Starting at $25 Ongoing

    Dedicated Resource

    Strengths=======Can understand any complex problems/requirements very easilyAbility to clarify till I understandRaise the doubts immediately during the workFocus more onn custmer satisfaction by providing...

    AmazonAnimationAPIBootstrapCartography

  • IT Training

    $5/hr Starting at $25 Ongoing

    Dedicated Resource

    Strengths=======Can understand any complex problems/requirements very easilyAbility to clarify till I understandRaise the doubts immediately during the workFocus more onn custmer satisfaction by providing...

    AmazonAPIDevelopereBay APIPHP

  • Testing & QA

    $5/hr Starting at $25 Ongoing

    Dedicated Resource

    Strengths=======Can understand any complex problems/requirements very easilyAbility to clarify till I understandRaise the doubts immediately during the workFocus more onn custmer satisfaction by providing...

    AmazonAPIDevelopereBay APIPHP

  • Database Administration

    $5/hr Starting at $25 Ongoing

    Dedicated Resource

    Strengths=======Can understand any complex problems/requirements very easilyAbility to clarify till I understandRaise the doubts immediately during the workFocus more onn custmer satisfaction by providing...

    AmazonAnimationAPIBootstrapCartography

About

Full-stack, GIS & visualization expert delivering fast enterprise systems

I have been developing software since 1996, starting with client–server systems and moving into full web development from 2005 onward. With 30+ years of experience, I specialize in building reliable, scalable, and intuitive applications across ERP, CRM, HRMS, EHR/EMR, logistics, analytics, and custom business platforms.

Clients appreciate me for understanding requirements correctly, designing clean UI/UX, writing efficient code, and delivering projects that work smoothly in real-world conditions.

Technical Expertise
Geo-Spatial & Mapping (15+ years)

Google Maps API: Geocoding, Directions, Places, Traffic, Spreadsheet API, Fusion Tables, Clustering, Custom Markers, Custom Info Windows

Leaflet: Custom tiles, projections, animations, WebGL layers, shape-to-layer rendering

Mapbox GL, OSM, ArcGIS, PostGIS

Data Visualization (D3 Expert)

D3.js (Geo, Sankey, Pack, Tree, Cluster, Word Cloud)

Highcharts, Highmaps, AMCharts, Chart.js, Sigma.js, Vis.js

Native SVG/Canvas graphics, animations, custom rendering

Frontend Development

React, Angular, Vue, Svelte

Material UI, Bootstrap, Tailwind, Semantic UI

Responsive UI, component architecture, state management (Redux, Vuex, RxJS)

Backend & Databases

Node.js, Express, NestJS

Python (Flask, Django, FastAPI)

PHP, CodeIgniter, WordPress

PostgreSQL, PostGIS, MySQL, MSSQL, MongoDB

Cloud & DevOps

AWS, Google Cloud, DigitalOcean

Docker, NGINX, CI/CD pipelines

API & Data Handling

REST/SOAP/XMLRPC, JSON, GeoJSON, TopoJSON, XML

Shapefiles, Excel, PDF generation

Payment gateways, Twilio SMS, social media APIs

Domain Expertise

Accounting & Inventory • CRM • HRMS • Healthcare (EHR/EMR) • Supply Chain • Export Units • Hotel Management • Education (K–12) • Logistics Monitoring • Data Analytics

I am also experienced in statistics, data interpretation, and quality processes (CMMI, SDLC, Six Sigma).

Work Background

400+ global clients delivered through Upwork/Guru

Senior Developer → Architect → Project Manager roles since 1989

Architected ERP solutions used by 10,000+ clients

Led CMMI Level-5 quality processes

Known for combining technical depth, clean UI, and practical business logic

What I Offer on Guru

Full-stack application development

Interactive dashboards and analytics

Real-time map-based route analysis systems

ERP/CRM/HRMS/EHR module development

API integration & automation

Complex data visualization with D3.js

Geo-spatial solutions with custom layers, shapes, and rendering

Scalable backend services and cloud deployment

Work Terms

12 Hours per day and 50+ hours per week.

Work on any time zone as required by the client.