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: 1780+
0+
Codeforces / GeeksforGeeks Solved
Max Rating: 1253+
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
Internal Hackathon
• Secured 1st position in Internal Hackathon (SIH 2025), NIT Nagaland.
L&T CreTech 2026
• Cleared initial screening round of L&T CreTech 2026.
Inter-NIT Cricket
• Represented institute in Inter-NIT Cricket Tournaments (5+ events).
Projects
Click a project to expand details
Built a full-stack real-time communication platform using React.js, Node.js, Express.js, MongoDB, Socket.io, and WebRTC, featuring secure authentication, instant messaging, friend system, real-time notifications, and peer-to-peer audio/video calling. Continuously improving the platform by adding new features, enhancing performance, and refining the overall user experience.
React.jsNode.jsExpress.jsMongoDBSocket.io
WebRTC
Building MockMate AI, an interactive platform designed to help users practice technical and HR interviews with AI-driven feedback, structured interview flows, and real-time response analysis. Continuously enhancing the system by improving feedback accuracy, interview experience, and overall user engagement.
ReactNode.jsAI IntegrationInterview Prep
Built PrecastIQ, a full-stack MERN application integrating an XGBoost model to predict concrete strength, optimize production cycle time, and analyze regional cost variations across infrastructure and building projects in India. Designed to support data-driven decision-making in construction workflows, with a focus on efficiency and cost optimization. Developed as a prototype for L&T CreTech 2026.
MongoDBExpress.jsReact.jsNode.jsXGBoostMachine Learning
Built a full-stack machine learning application for customer churn prediction using a balanced Logistic Regression model, featuring a FastAPI backend with RESTful APIs and auto-generated documentation, along with a modern React frontend (Vite, TailwindCSS, React Router). Implemented real-time form validation and interactive data visualizations using Recharts to deliver actionable insights and support data-driven decisions.
FastAPIReactViteTailwindCSSReact RouterLogistic RegressionRechartsREST API
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
rahul.k.upadhyay21@gmail.com
Phone
+91 6201904909
LinkedIn
linkedin.com/in/rku21
GitHub
github.com/rku-21