Rakkesh S

Results-driven Full Stack Developer and React.js / PHP Specialist with over 3+ years of hands-on experience in architectural design, developing, and deploying high-performance enterprise web applications. Expertise in building responsive, component-driven frontends using React.js (Vite), Next.js, TypeScript, and modern state management, coupled with robust backend API services built on Core PHP, RESTful Architectures, and MySQL. Proven track record in optimizing database queries by 40%, refactoring legacy backend code, maintaining 99.9% application uptime, and leveraging AI-assisted workflows (GitHub Copilot, ChatGPT, Claude, Codex, Kiro) to accelerate delivery.

Software Engineer (Full Stack & React/PHP Specialist) - Infiniti Software Solution Pvt. Ltd. - Chennai, India

(2023-03)

• Full Stack Engineering: Architected, built, and deployed scalable enterprise travel tech modules and critical Change Requests (CRs) using React.js, Next.js, TypeScript, Core PHP, and MySQL.
• Frontend Development: Engineered responsive, accessible UI components in React.js and Next.js, leveraging Redux/Context API for state management and integrating seamless asynchronous AJAX/REST API communication.
• Backend & API Architecture: Designed and implemented scalable Core PHP RESTful APIs and backend services supporting flight booking workflows, dynamic fare calculations, and airline GDS/third-party API integrations.
• Database & Performance Tuning: Refactored legacy PHP code and restructured complex MySQL database queries, achieving a 40% reduction in query execution time and significantly lowering server load.
• Module Delivery: Designed end-to-end mission-critical enterprise modules, including Request Processing, Multi-Factor Authentication (MFA), Online Payments, Ticket Issuance, and User Registration.
• Production Support & Reliability: Led root cause analysis (RCA) for production incidents, maintaining a high application availability standard of 99.9% across high-traffic enterprise applications.
• AI-Assisted Efficiency: Integrated AI tools (GitHub Copilot, ChatGPT, Claude) into daily development, accelerating boilerplate generation, complex refactoring, and test coverage by ~30%.

Bachelor of Engineering (B.E.) - Computer Science and Engineering - KSR Institute for Engineering and Technology Tiruchengode, Tamil Nadu, India