FREELANCER
VIGNESH KUMAR R
WordPress & WooCommerce Backend Engineer
Custom plugins, complex business logic, performance optimization
SERVICES
- Custom plugins (+ modify existing ones)
- Fix errors, crashes, and conflicts
- Connect WordPress with external apps/APIs
- Build custom features & business workflows
- Improve site performance/speed
- Custom payment gateways
- Subscriptions & recurring billing
- Custom checkout/cart behavior
- Advanced business workflows & features
- Improve store speed and stability
- Fix store bugs & errors
WordPress Setup, Migration & DevOps
- Hosting setup (Apache/Nginx)
- DNS & domain configuration
- Multisite setup
- Migrate to production safely
- Docker & containerized WordPress setups
- CI/CD pipelines (automated deployments)
HIGHLIGHTED PROJECTS
Payment Gateway Health Monitor
Prevents silent revenue loss by exposing payment gateway failures
- Real-time visibility into WooCommerce payment performance
- Gateway-wise success & failure tracking
- Surfaces hidden payment failures before they impact revenue
- Lightweight admin dashboard with CSV import/export
- No external tracking, no order modification, zero overhead
- Designed for audits, ops reviews, and executive reporting
WordPress Docker Container
Launches a fully configured WordPress stack in one command
- One-click, production-ready WordPress environment in minutes
- Clean Docker architecture with MySQL, Apache, and phpMyAdmin
- Environment-driven configuration for fast, repeatable deployments
- Optional database seeding for realistic local testing
- Zero manual setup, zero drift between local and production
Booking Calendar
Custom booking logic without heavy plugin
- Frontend Date Picker (jQuery UI based)
- Time Slot Selector tailored by weekday
- AJAX-based Slot Rendering — no reloads
- Role-based Logic (optional extensions possible)
- Minimal Dependencies, built for clarity and performance
- Can be integrated with custom Form Plugin
- Settings for excluded days, durations, and working hours
CONTACT ME
EXPERIRENCE
+ YEARS OF SOFTWARE DEVELOPMENT
0
CERTIFICATIONS
SKILLS
- PHP
- MYSQL/MongoDB
- PYTHON
- HTM/CSS/JS
- NodeJS
- Pandas, Numpy
- Matplotlib, Seaborn
- SOLID / ACID
- FAST API/STREAMLIT
- Ubuntu
- Apache/Nginx
- Zapier
- Docker
- Git/Github
- WordPress
- WooCommerce