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Vishnu Kumar S A

Vishnu Kumar S A

PHP Developer

Madurai, TN 5+ yrs exp 90 · Outstanding

About

PHP Developer with 5+ years of experience in web applications, POS systems, and eCommerce platforms. Worked with Laravel, CakePHP, CodeIgniter, MySQL, and REST APIs. Fixed a live performance issue that cut page load from 30s to 5s using Redis caching, query optimisation, and eager loading. Experience with marketplace API integrations (Amazon, Walmart, Etsy, Poshmark), payment gateways (Razorpay), and WooCommerce. Currently learning React.js.

Skills & Expertise (25)

Laravel Advanced
7.6/10
3
Years Exp
Rest API Advanced
7.6/10
5
Years Exp
Php Advanced
7.6/10
5
Years Exp
SQL Advanced
7.0/10
5
Years Exp
HTML Advanced
7.0/10
5
Years Exp
CSS Advanced
7.0/10
5
Years Exp
Git Advanced
7.0/10
5
Years Exp
MySql Advanced
7.0/10
5
Years Exp
JavaScript Intermediate
6.4/10
3
Years Exp
WooCommerce Intermediate
6.0/10
2
Years Exp
Razorpay Intermediate
6.0/10
2
Years Exp
Postman Intermediate
6.0/10
3
Years Exp
MVC Intermediate
6.0/10
3
Years Exp
Redis Intermediate
6.0/10
3
Years Exp
CodeIgniter Intermediate
6.0/10
3
Years Exp
CakePHP Intermediate
6.0/10
3
Years Exp
Docker Intermediate
5.6/10
2
Years Exp
Linux CLI Intermediate
5.6/10
2
Years Exp
JWT Auth Intermediate
5.6/10
2
Years Exp
PayPal Intermediate
5.6/10
2
Years Exp
Stripe Intermediate
5.6/10
2
Years Exp
cURL Intermediate
5.6/10
3
Years Exp
Webhooks Intermediate
5.6/10
2
Years Exp
RabbitMQ Intermediate
5.4/10
2
Years Exp
React.js Intermediate
5.4/10
2
Years Exp

Work Experience

PHP Developer

Kliotech LLP

Mar 2024 - Dec 2025

DiveShop360 — Multi-Store SaaS POS & Inventory System — CakePHP, MySQL, Redis. Fixed a live performance issue — cut page load from 30s to 5s using Redis caching, eager loading, and query changes. Improved query speed by 30%+ by fixing JOINs and adding indexes on large, high-traffic tables. Built and maintained modules for billing, stock, orders, and payments in a multi-store setup. Triggered bulk product import jobs via RabbitMQ using the shell method — offloaded heavy processing from the main request cycle. Supported platform migration in Core PHP — updated import methods and added data validation to ensure clean data transfer. Worked in an Agile team — attended weekly sprint meetings and managed tasks via a project management tool.

Software Engineer

Hatsm Software LLP

May 2022 - Feb 2024

Built REST APIs in Laravel and CodeIgniter for mobile and web apps — covering login, auth, and eCommerce features across 5+ modules. Built Razorpay integration independently — API setup, payment flow, webhooks, and error handling. Worked on an existing Core PHP admin panel — updated and extended modules for product sync, category sync, and order management across 4 marketplaces (Amazon, Walmart, Etsy, Poshmark). Customised WooCommerce sites — modified plugins and linked products to marketplace platforms. Built NokomisShoutBox from scratch in CodeIgniter — a civic platform to collect public suggestions and route them to city council members.

PHP Developer

Shriyaditha Graphics Universe

Aug 2020 - May 2022

Managed and maintained client websites — fixed bugs, added features, kept sites running smoothly. Built and provided REST APIs for the mobile app team based on project requirements. Managed Greenbows eCommerce platform — features, orders, and payments. Delivered 5+ client websites across travel and eCommerce — development, deployment, and support.

Education

B.Sc. Physics - Sourashtra College

2016 - 2020 · Afghanistan

Certifications

No certifications added yet

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Profile Score Breakdown

📷 Photo 10/10
📄 Resume 10/10
💼 Job Title 10/10
✍️ Bio 10/10
🛠️ Skills 20/20
🎓 Education 10/10
⏱️ Experience 15/15
💰 Rate 0/5
🏆 Certs 0/5
Verified 5/5
Total Score 90/100

Profile Overview

Member sinceJun 2026

Skills (25)

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