K Ganesh krishna

Developed and maintained CodeIgniter (PHP) backend systems, designing secure RESTful APIs, webhooks integrating third-party and government APIs, reducing manual workflows by ~40% across ERP modules.

Optimized

MySQL queries reducing critical query load by ~50%; conducted API security testing using Burp Suite, identifying and resolving 10+ vulnerabilities before production deployment. Built automation flows using Playwright and Puppeteer; collaborated with frontend teams on debugging and integration, reducing turnaround time by ~30% for stable, production-ready releases.

Backend Developer at WarX Digital Private Limited (2025-06 – 2026-06)

• Developed and maintained CodeIgniter (PHP) backend systems, designing secure RESTful APIs, webhooks integrating third-party and government APIs, reducing manual workflows by ~40% across ERP modules.
• Optimized MySQL queries reducing critical query load by ~50%; conducted API security testing using Burp Suite, identifying and resolving 10+ vulnerabilities before production deployment.
• Built automation flows using Playwright and Puppeteer; collaborated with frontend teams on debugging and integration, reducing turnaround time by ~30% for stable, production-ready releases.

Web Developer Intern at Anjana Infotech (2022-01 – 2023-05)

• Built and delivered responsive websites and web apps for multiple clients using HTML, CSS, JavaScript, Bootstrap, Core PHP, MySQL, and MongoDB, handling development and requirement gathering.
• Managed end-to-end deployment including domain setup, DNS, and hosting on cPanel and OVI panel with full project documentation.
• Integrated Razorpay for e-commerce payments and Stripe for college fee collection; conducted batched online/offline training sessions at colleges under signed MOUs.

Master of Science in Computer Science – Ayya Nadar Janaki Ammal College, Sivakasi (2023-06 – 2025-04)

Bachelor of Science in Computer Science – Ayya Nadar Janaki Ammal College, Sivakasi (2020-06 – 2023-05)