Nikhil Agrahari

About

Full-stack developer with hands-on experience building React/Node/Express applications, MongoDB-backed REST APIs, and AI-powered tools. Also a cybersecurity practitioner with strong DSA fundamentals, open-source contributions, and consistent problem-solving practice.

Experience

• Industry Exposure Intern
  ASSOCHAM UP-UK
  Jun 2026 – Jul 2026

  Selected for a government–industry exposure program involving interactions with PSUs, corporates, and educational institutions across UP-UK. • Gained exposure to organizational hierarchy, decision-making workflows, and high-impact projects aligned with ESG and Sustainable Development Goals through structured industry visits.

Education

• Bachelor of Computer Applications (BCA)
  Babu Banarasi Das (BBD) University
  Computer Applications · 2024 – 2027
• Higher Secondary
  Shri L.D.I.C., Faizipur Baishkanti, Kaushambi
  2022 – 2022
• Secondary
  Shri L.D.I.C., Faizipur Baishkanti, Kaushambi
  2020 – 2020

Skills

• C <3 months
• CSS <3 months
• Express.js <3 months
• HTML <3 months
• Python <3 months
• Java <3 months
• JavaScript <3 months
• Node.js <3 months
• Tailwind CSS <3 months
• React <3 months
• WebSockets <3 months
• OWASP Top 10 <3 months
• JWT <3 months
• API Integration Understanding <3 months
• CI/CD <3 months
• OSINT <3 months
• Data Structures and Algorithms <3 months
• Oop <3 months
• Socket.io <3 months
• Cloudinary <3 months

Tools / apps / platforms

• Burp Suite 3 to 6 months
• Git 1 to 2 years
• GitHub 6 to 12 months
• Kali Linux 3 to 6 months
• MongoDB 1 to 2 years
• MySQL 6 to 12 months
• Nikto 3 to 6 months
• Postman 1 to 2 years
• Render 1 to 2 years
• Supabase 1 to 2 years
• Vercel 1 to 2 years
• Vite 1 to 2 years
• VS Code 2 to 5 years
• Wireshark 6 to 12 months

Languages

• English Conversational Speak · Read · Write
• Hindi Fluent Speak · Read · Write

Projects

• VaultGuard – Secure Credential Manager & Chrome Extension
  React.js, Vite, Tailwind CSS, Node.js, Express.js, MongoDB, JWT, AES-256-GCM, Argon2, Chrome Extension (Manifest V3)

  Credential manager with AES-256-GCM encryption and Argon2 hashing; Chrome Extension for domain-aware autofill with master-password lock and auto-lock. JWT session management with rate limiting and security middleware (Helmet, CORS) on backend.

• Vistagram – Social Media Platform ↗
  React 19, Express 5, Node.js, MongoDB Atlas, JWT, bcryptjs, Vite

  Monorepo social platform supporting user profiles, posts, short-form reels, and stories. Built 24-hour auto-expiring stories using MongoDB TTL indexes; secured sessions with HTTP-only JWT cookies, bcrypt hashing, and custom authorization middleware.

• snapURL – Full-Stack URL Shortener & Analytics Platform ↗
  React.js, Node.js, Express.js, MongoDB Atlas, Mongoose, REST APIs, Axios, React Router

  MERN app for custom short links with click-analytics tracking and secure redirection; deployed on Vercel and Render.

• Uber Clone – Full-Stack Ride-Hailing Platform
  React.js, Node.js, Express.js, MongoDB, Socket.io, Google Maps API, JWT

  MERN ride-hailing platform with rider/driver dashboards, Socket.io live tracking, Google Maps API routing, and JWT-secured REST APIs with bcrypt encryption.

• Personal Portfolio Website ↗
  React, Vite, Node.js, MongoDB, Tailwind CSS, Gemini AI, Cashfree

  Production-grade portfolio with AI chatbot, service marketplace, Google auth, and Cashfree payment integration; optimized for SEO, performance, and accessibility.

Courses & certifications

• Ethical Hacking Fundamentals (Advanced) · Cisco · 2026
• AI Foundations · OpenAI Academy · 2026
• SAMARTH 2.0 — Certificate of Completion & Letter of Recommendation · SAMARTH 2.0 · 2026
• Ethical Hacking Fundamentals · Cisco · 2025
• Advent of Cyber 2025 · TryHackMe · 2025

🏆 Achievements & awards

• Top 1% global ranking on TryHackMe with 300+ day streak

  Recognized for continuous cybersecurity learning and practice.

• 10+ certifications across cybersecurity, cloud, AI, and full-stack development

  Earned multiple certifications spanning technical domains.

• Hackathon participation and results

  Participated in 4 hackathons; secured 1 runner-up position and Top 10 at Nerds Hack Days, Lucknow.

• LeetCode and GitHub streaks

  Solved 150+ LeetCode problems and maintained a 350+ day coding streak with 2k+ GitHub contributions.

⚽ Extracurricular activities

• Open Source Connect India 2026

  Contributed feature enhancements, bug fixes, and improvements through GitHub pull requests using Git workflows and code reviews.

• Hackathons and technical events

  Participated in multiple hackathons and conferences including product, cybersecurity, Android, and startup screening events.

🎯 Hobbies & interests

• Full Stack Development
• Cybersecurity
• Artificial Intelligence
• Open Source
• Competitive Programming