Backend Developer | Cybersecurity Enthusiast | Deep Learning Explorer

📍 Greater Noida, India | 🎓 MCA (Cyber Security)
🛠️ Node.js • PostgreSQL • JavaScript • Python • Linux • Docker

Backend-focused developer, Currently pursuing MCA, actively learning into Deep Learning and AI systems for expanding my skills set.

• Developed a backend system to match donors with recipients in real-time
• Implemented authentication, role-based access, and data-driven matching
• Designed for reliability and real-world usability

• Built a cross-platform system with Flutter + PostgreSQL backend
• Streamlined attendance tracking and reporting for institutions
• Reduced manual errors and improved efficiency

• Designed a privacy-focused platform for anonymous interaction
• Built secure backend handling user data and engagement logic
• Focused on scalability and user safety

Identified and responsibly reported a critical authentication flaw in a live system, preventing unauthorized content access.
Focused on ethical testing, vulnerability analysis, and secure system design.

• Deep Learning — Neural networks, model fundamentals, real-world applications
• Backend Engineering — API design, database optimization, system scalability
• Cybersecurity — Secure coding practices, OWASP Top 10, system hardening
• System Design — Building resilient and production-ready architectures

Languages:
JavaScript Python Dart

Backend & Systems:
Node.js Express PostgreSQL MongoDB

Tools & DevOps:
Git Docker Linux Postman

Security:
Authentication (JWT) Input Validation Secure APIs

• Contributed to real-world projects with bug fixes and feature improvements
• Maintain and develop independent projects with full ownership

📧 coccoder999@gmail.com
🐙 https://github.com/tarun1sisodia
💼 https://linkedin.com/in/tarunsisodia

“Build systems that don’t just work — they hold under pressure.”