Chitra R

Results-driven Backend PHP Developer with 5+ years of hands-on experience in PHP (Core PHP, PHP 7, PHP 8), CodeIgniter 3/4, and MySQL. Proven track record in designing and implementing scalable RESTful APIs, optimizing database performance, and automating backend workflows. Skilled in MVC architecture, OOP principles, and Agile/SDLC methodologies.

Delivered measurable results — 40% API performance improvement, 30% reduction in manual effort. Immediate joiner seeking Backend Developer / PHP Developer roles.

Backend PHP Developer - KNET Solutions Private Limited - Chennai, India

(2021-02)

Developed and maintained scalable web applications using PHP 7/8, CodeIgniter 3/4, and MySQL, following MVC architecture and OOP principles.

• Designed, built, and documented 15+ RESTful APIs for third-party integrations, system automation, and data exchange using JSON.
• Achieved 40% improvement in API response time through MySQL query optimization, indexing strategies, and efficient database design.
• Automated backend workflows and business processes, reducing manual effort by 30% and increasing operational efficiency.
• Developed reusable backend modules, libraries, and components to improve code maintainability and reduce development time.
• Performed root cause analysis, debugging, and production support for critical backend issues, ensuring high system availability.
• Implemented secure coding practices including input validation, data sanitization, and protection against SQL injection and XSS vulnerabilities.
• Collaborated with cross-functional teams (frontend, QA, business analysts) in Agile environments for requirement analysis and feature delivery.
• Integrated third-party APIs and services to extend application functionality and streamline data flows.

Bachelor of Science - Computer Science - Chidambaram Pillai College for Women (2017 - 2020)