Software engineer.
Building systems that work.
MERN Stack · Real-time apps · Payments · Applied ML · DSA
LeetCode Knight (1898) · CS & AI graduate, IIIT Lucknow
<About />
Computer Science and Artificial Intelligence (CS & AI) graduate from IIIT Lucknow (2025). Full-stack engineer with experience in React, Next.js, Node.js, MongoDB, Java, and Python.
I build systems that scale, solve algorithmic problems (LeetCode Knight, 1898), and focus on writing production-quality code. Recently recognized as a top performer at Unified Mentor Private Limited.
Looking for software engineering roles where I can contribute to real products.
<Projects />
QuickCare
Healthcare Appointment Platform
Built a full-stack healthcare platform where patients can discover doctors, book appointments, and make secure payments. The system handles real-time availability checking, appointment scheduling, and payment processing through Razorpay.
Technical Implementation:
- •Three role-based dashboards (Patient, Doctor, Admin) with distinct workflows
- •JWT authentication with secure password hashing
- •REST API built with Node.js and Express.js, connected to MongoDB
- •Cloudinary integration for medical document uploads
- •Razorpay payment gateway integration
- •Responsive UI built with React and Tailwind CSS
Outcome:
Tested with 100+ users. Reduced manual scheduling workflows by enabling direct appointment booking with instant confirmation.
Gupshup
Real-Time Chat Application
A WebSocket-based messaging platform with real-time message delivery, typing indicators, and online presence tracking. Handles concurrent users with sub-200ms message latency.
Technical Implementation:
- •Socket.io for bidirectional real-time communication
- •JWT authentication and session management
- •MongoDB for message persistence and user data
- •Cloudinary for profile image hosting
- •Real-time presence system showing online/offline status
- •Message read receipts and typing indicators
Outcome:
Load-tested with 50+ concurrent connections. Average message latency under 200ms.
GlucoCheck Pro
Glucose Prediction System
An ML-powered tool for diabetes management that predicts blood glucose levels based on historical patient data. Built as an end-to-end machine learning pipeline with an interactive web dashboard.
Technical Implementation:
- •Trained XGBoost classifier on 1000+ glucose monitoring records
- •Built preprocessing pipeline with Scikit-learn for feature engineering
- •Developed Streamlit web interface for real-time predictions
- •Created Plotly visualizations for trend analysis and pattern detection
- •Achieved 92% prediction accuracy on test data
Outcome:
Provides personalized glucose trend insights and alerts for diabetic patients.
<Experience />
Unified Mentor Pvt. Ltd.
Full Stack Web Development Intern
Jan 2025 – July 2025 · Gurugram
- •Optimized frontend rendering and API response handling, improving load times and UI responsiveness through targeted code refactoring
- •Developed and integrated RESTful APIs with MongoDB, improving data processing workflows
- •Resolved critical bugs and design inconsistencies across multiple pages, delivering a polished user experience
- •Participated in code reviews and collaborated with team members on feature implementation
Indian Railways (CRIS)
Software Development Intern
June 2023 – July 2023 · Varanasi
- •Developed and improved UI components using React and JavaScript
- •Consumed backend REST APIs to integrate data into user interfaces
- •Enhanced UI responsiveness and fixed bugs in railway ticketing and operations modules
- •Collaborated with backend teams to ensure smooth API integration
<Achievements />
LeetCode Knight
LeetCode
2023
Achieved Knight status with a rating of 1898, ranking in the top ~4% globally among 800K+ active competitive programmers.
View Credential →Oracle Cloud Infrastructure 2025 Certified AI Foundations Associate
Oracle
2025
Certified in AI foundations covering machine learning, deep learning, generative AI, and OCI AI services (1Z0-1122-25).
View Credential →Top Performer – Full Stack Web Development Internship
Unified Mentor Pvt. Ltd.
2025
Recognized as a Top Performer for consistent delivery, problem-solving, and measurable impact across assigned projects during the internship.
<Skills />
Languages
JavaScript, TypeScript, Python, SQL
Frontend
React, Next.js, Tailwind CSS, HTML/CSS
Backend
Node.js, Express.js, REST APIs
Database
MongoDB, MySQL
Tools & Platforms
Git, GitHub, Vercel, Cloudinary, Socket.io
Computer Science Fundamentals
Data Structures, Algorithms, DBMS, Operating Systems, Computer Networks
<Contact />
Let's Connect
Recent graduate from IIIT Lucknow, open to software engineering roles.
Built with Next.js, TypeScript, Tailwind CSS
© 2025 Shubhranshu Kumar