Senior PHP Developer at C²Perform India (2023-07 – 2026-05)
Enterprise SaaS — US Contact Center Quality Management (Quality Audit, Dynamic Coaching, Knowledge Management)
- Designed and enforced JWT-based authentication and role-based authorization across all API routes serving multi-tenant enterprise data — zero auth-layer incidents over 3 years of production operation.
- Built PHPUnit test suites across Quality Audit and Dynamic Coaching modules covering critical business logic for scoring, coaching triggers, and audit workflows — reduced regression incidents by 30%.
- Optimized MySQL query performance on high-read audit reporting tables via composite indexing and query restructuring — significantly reduced report generation time for large datasets.
- Mentored junior developers on complex codebase debugging and architectural patterns, cutting average bug resolution time by 25%.
Freelance PHP Developer at Self-employed (2023-03 – 2023-06)
- Delivered freelance PHP development tasks for clients while concurrently upskilling in React.js to strengthen full-stack capability.
- Built and maintained PHP-based web modules for small business clients, handling requirements gathering through to deployment.
PHP Developer at Kinitous (2021-09 – 2023-02)
- Built PHP backend REST APIs and integrated Google Cloud real-time data streams for an enterprise device-tracking dashboard covering 500+ mobile devices (Device Tracker Web App — Zebra Technologies).
- Integrated Google Maps APIs and real-time location workflows with API versioning, configuration handling, and reliable error logging.
- Debugged and maintained backend services for data sync, location accuracy, and production issue resolution in collaboration with frontend and cloud teams.
- Developed PHP and PostgreSQL backend modules for a multi-player online gaming platform with concurrent session handling and player-state consistency (Skill Angels — Online Gaming Platform).
- Built Node.js + Socket.io WebSocket services and an easyRTC/WebRTC P2P video/chat layer, supporting real-time communication without third-party service cost.
- Troubleshot API and database issues, improving backend stability for multi-user gameplay and communication flows.
PHP Developer at WEBNEO Technologies (2017-05 – 2021-08)
- Designed and implemented 15+ versioned REST API endpoints consuming real-time IoT events (door alarms, voltage triggers) from field devices — average response time under 200ms, zero data loss incidents (Denyo Generators Remote Monitoring — IoT SaaS Platform).
- Implemented role-based access control and API key authentication for secure multi-tenant device and user management.
- Built Laravel Queue workers (Redis) for async processing of high-frequency IoT event payloads — decoupled real-time ingestion from synchronous API response cycle.
- Managed AWS production infrastructure (EC2, S3, Lightsail) — achieved 99.5% platform uptime across 3+ years of live IoT operations in Southeast Asia.
- Linux, Apache, MySQL, PHP — deployment, configuration, debugging, and production support.
- Built leave management and working-hours tracking in Laravel with admin/employee role-based access control for a 200+ employee organization (HR Management Web Application).
- Delivered cart module and role management system in CodeIgniter for a textile industry client in Coimbatore.
Junior PHP Developer at Black Gold Innovations (2014-07 – 2017-04)
- Built REST API web services for user authentication and content retrieval, consumed by a cross-platform mobile app built with Apache Cordova/PhoneGap (Elgg Social Networking Platform & Core PHP Web Application).
- Contributed backend modules for appointment registration, billing, and in-patient tracking for a multi-specialty hospital management system in Core PHP.
- Built a custom WordPress plugin that auto-fetches and distributes newsletter content from specified post categories.
