Full-stack developer focused on building scalable, production-ready applications, with expertise in real-time systems, backend engineering, and data structures & algorithms.
Overview
By The Numbers
0+
LeetCode Questions Solved
Max Rating: 1900+
0+
Codeforces / GeeksforGeeks Solved
Max Rating: 1400+
0.0
Current CGPA
Education
National Institute of Technology Nagaland
Degree: B.Tech in Electronics and Communication Engineering
Duration: 2023 - 2027
Status: Ongoing
Achievements and Activities
SIH 2025 Internal Hackathon
• Secured 1st position in the SIH 2025 Internal Hackathon at NIT Nagaland by developing a full-stack solution.
LeetCode
• Solved 850+ DSA problems on LeetCode with a peak rating of 1890+, demonstrating advanced problem-solving skills.
Codeforces
• Solved 200+ problems on Codeforces, achieving a 1395+ rating in competitive programming contests.
Open Source Contribution
• Contributed to the open-source WebRTC project MiroTalk by resolving ICE negotiation race conditions.
HackWithInfy 2026
• Earned a Pre-Placement Interview (PPI) for the Infosys Specialist Programmer (SP) L1 role by clearing HackWithInfy 2026.
Inter-NIT Cricket
• Represented the institute in Inter-NIT Cricket Tournaments, demonstrating teamwork and leadership abilities.
Projects
Click a project to expand details
Built a secure full-stack real-time communication platform using React.js, Node.js, Express.js, MongoDB, Socket.io, and WebRTC. Features JWT authentication, friend requests, instant messaging, real-time notifications, and peer-to-peer audio/video calling with continuous feature and performance improvements.
React.js
Node.js
Express.js
MongoDB
Socket.io
WebRTC
Building an intelligent video optimization system using TensorFlow.js, TypeScript, and WebRTC that dynamically compresses non-face regions while preserving facial quality. Targeting nearly 40% bandwidth reduction without significantly affecting call quality.
WebRTC
TensorFlow.js
TypeScript
Computer Vision
CNN
Developed an extensible distributed rate limiter supporting Token Bucket, Sliding Window Counter, and Sliding Window Log algorithms using Node.js, TypeScript, Redis, and Lua scripting. Designed for scalable APIs and microservices.
Node.js
TypeScript
Redis
Lua
Rate Limiting
Building an AI interview preparation platform that records spoken answers, converts speech to text, evaluates responses using LLMs, and provides personalized feedback, scoring, and improvement suggestions.
React
Node.js
Speech-to-Text
LLMs
AI
Skills
Frontend Engineering
Production Ready
React.jsReduxJavaScript (ES6+)HTMLCSSTailwind CSSResponsive DesignPerformance Optimization
Backend & Real-Time Systems
System Design Focused
Node.jsExpress.jsMongoDBSQLREST APIsAuthentication (JWT)Socket.ioWebRTC
Data Structures & Problem Solving
Problem Solving Focused
C++ArrayStringLinked-ListSTLAlgorithmsDynamic ProgrammingGraphsTreesTime & Space Optimization
Tools & Development Environment
Development Stack
GitGitHubDockerPostmanVS CodeNPMCloud Deployment
Journey Timeline
2027 (Expected)
B.Tech Graduation
Graduating from NIT Nagaland (ECE) with strong focus on full-stack engineering, real-time systems, and problem solving.
2024–2025
Building Production-Level Projects
Developed real-time applications like Privex with chat, WebRTC calling, friend system, and notifications, while strengthening backend scalability and deployment skills.
2023–2024
DSA and Problem-Solving Foundation
Built strong fundamentals in data structures and algorithms through consistent practice, focusing on optimization and problem-solving patterns.
2023
Started Engineering Journey
Began B.Tech at NIT Nagaland and quickly developed interest in software development and system building.
Contact
Open to internships, projects, and developer collaborations.
Email
upadhyayrahul21642@gmail.com
rahulupadhyay21642@gmail.com
Phone
+91 6201904909
LinkedIn
linkedin.com/in/rku21
GitHub
github.com/rku-21