Welcome to my portfolio

Hello, I'm

A passionate full-stack developer skilled in MERN stack, Next.js, and AWS, with a focus on building scalable applications and solving complex problems.

Hire Me Resume Links AI Clone

Kundan Kumar

AboutMe

A passionate developer with expertise in modern web technologies and a drive for innovation

Hi, I'm Kundan Kumar, a dedicated Full-Stack Developer with expertise in the MERN stack, Next.js, Tailwind CSS, PostgreSQL, and AWS.

I'm a final-year student at NIT Agartala with a passion for building scalable web applications and solving problems in web development, data structures, algorithms, and blockchain.

I have hands-on experience with projects like Medical Management and Job Portal, and I've solved over 700 problems on LeetCode, earning the title of LeetCode Knight.

Backend

Node.js & Express
PostgreSQL & MongoDB
RESTful APIs
AWS & Cloud Services

Frontend

React & Next.js
JavaScript & TypeScript
Tailwind CSS
Responsive Design

Tools & Others

Git & GitHub
Docker & Kubernetes
Web3 & Blockchain
DSA & Algorithms

Services I Provide

Comprehensive solutions for modern web and mobile applications, from concept to deployment

🌐

Full-Stack Web Development

End-to-end web application development using modern stacks like Next.js, React, Node.js, and PostgreSQL/MongoDB. Creating fast, scalable, and visually appealing applications.

Frontend Development (React.js, Next.js, Tailwind CSS, TypeScript)
Backend Development (Node.js, Express.js, Fastify, Django)
Database Design & Optimization (PostgreSQL, MongoDB, MySQL)
API Development (REST, GraphQL, WebSockets)
Responsive UI/UX & Accessibility

📱

Mobile App Development

Building high-performance, cross-platform mobile apps with native-like experiences using React Native and modern mobile frameworks.

React Native & Expo Development
Cross-platform Solutions for iOS & Android
Mobile UI/UX Design with Tailwind Native
App Store & Play Store Deployment
Performance Tuning & Battery Optimization

☁️

Cloud & DevOps Solutions

Cloud infrastructure setup, containerization, and automated deployments using AWS, GCP, Docker, Kubernetes, and CI/CD pipelines.

AWS & GCP Cloud Services
Docker & Kubernetes Orchestration
CI/CD Pipeline Setup (GitHub Actions, Jenkins, GitLab CI)
Serverless Functions & API Gateways
Monitoring & Logging (CloudWatch, Grafana)

🛡️

Testing & Quality Assurance

Automated and manual testing to ensure bug-free, secure, and high-performing applications using Playwright, Appium, and other QA tools.

End-to-End Testing (Playwright, Cypress)
Mobile Testing with Appium
API Testing & Contract Validation
Security & Penetration Testing
Performance & Load Testing

🔒

Application Security & Ethical Hacking

Complete mobile and web application security testing with ethical hacking techniques to identify and fix vulnerabilities.

Root/Emulator Detection Testing & Bypass
SSL Pinning Bypass & Certificate Validation
App Tampering & Reverse Engineering Tests
OWASP Mobile & Web Security Compliance
Automated Security Reports & CI/CD Integration

⚙️

Automation as a Service (AAAS)

Custom automation solutions for repetitive tasks, job applications, QA processes, and business workflows.

Web Automation (Playwright, Puppeteer, Selenium)
Mobile Automation (Appium)
Job Apply Bots & Social Media Automation
Data Scraping & Processing Pipelines
n8n Workflow Automation

🏦

Financial & Banking Systems Development

Developing fintech applications with secure payments, UPI integration, investment tools, and data compliance.

UPI/Payment Gateway Integration
Investment Portfolio Management Tools
Banking APIs & Secure Transactions
Data Privacy & Compliance (PCI-DSS, GDPR)
Financial Dashboards & Reporting

🤖

AI & Productivity Tools

AI-powered solutions to boost productivity, automate workflows, and enhance decision-making.

AI Chatbot Development (OpenAI, Gemini)
AI-powered Bug Reporting & QA Tools
Intelligent Form Fillers & Auto Apply Systems
Natural Language Processing (NLP) Integration
AI-based Data Analysis & Reporting

🧮

Data Structures, Algorithms & System Design

Strong problem-solving skills with advanced DSA and scalable system architecture expertise, proven through competitive programming and real-world projects.

Algorithm Optimization & Complexity Analysis
Custom Data Structure Implementation
Competitive Programming (LeetCode Knight Rank)
Low-Level & High-Level System Design
Code Profiling & Performance Analysis

💡

Startup & Technical Consulting

Helping startups and businesses with complete technical setup, architecture decisions, and scaling strategies from idea to production.

Technology Stack Selection & MVP Planning
Architecture & Database Design
Code Review & Optimization
Technical Documentation & Best Practices
Team Mentoring & Knowledge Sharing

📦

Monorepo & Scalable Project Architecture

Setting up monorepo architecture for multi-platform projects with shared codebases.

Turborepo & pnpm Workspace Setup
Cross-platform Code Sharing
Microservices & API Gateway Design
Shared UI Component Libraries
Optimized Build & Deployment Pipelines

Skills & Expertise

A comprehensive overview of my technical skills and proficiency levels

⚛️