Senabadhy Sesan

Computer Science undergraduate (graduating 2026) with hands-on experience building full-stack web applications using the MERN stack, React, Node.js, and PostgreSQL. Skilled in RESTful API design, JWT authentication, RBAC, and database query optimization. Proven ability to deliver production-quality features under real-world conditions.

Full Stack Developer Intern - Zer01 Company - Salem

(2025-01 - 2025-02)

• Built a production blog application using the MERN stack with JWT authentication and role-based access control (RBAC).
• Designed RESTful APIs for full CRUD operations with scalable backend services using Express.js and MongoDB.
• Optimized MongoDB queries, reducing average server response time by 25%.
• Integrated the React frontend with backend services and validated end-to-end flows via Postman across multiple user roles.

Technology Intern – Cybersecurity - Nissan Digital India LLP - Trivandrum

(2025-07 - 2025-09)

• Conducted vulnerability assessments using Tenable.io, logging and prioritizing defects by severity level.
• Performed OSINT analysis to detect potential threats and improve organizational security awareness.
• Built PowerApps dashboards to streamline remediation tracking and reporting workflows.
• Assisted in security analysis and remediation planning to strengthen overall system security posture.

B.Tech - Computer Science and Engineering - SRM Institute of Science and Technology (2022 - 2026)