I build software, backend systems, full-stack applications, and AI-powered solutions with a focus on problem solving and practical engineering. Experienced in modern C++, distributed backend architectures, scalable web applications, and computer vision pipelines.

Category	Technologies & Tools
Programming & Core	C++  •  JavaScript  •  Python
Frontend	React.js  •  Tailwind CSS  •  HTML5  •  CSS3
Backend & APIs	Node.js  •  Express.js  •  ⚡ REST APIs
Databases & Caching	MongoDB  •  PostgreSQL  •  MySQL  •  Redis  •  🍃 Mongoose
AI / Machine Learning	OpenCV  •  👁️ YOLO  •  PyTorch • Machine Learning • Deep Learning • Generative AI • Computer Vision
Data Science	NumPy  •  Pandas  •  Matplotlib  •  📊 Data Science
Problem Solving	💡 Data Structures & Algorithms  •  🏆 Competitive Programming (C++)
Tools & Platforms	Git  •  GitHub

Computer Vision • Edge AI • Geospatial Analytics • Full-Stack Platform

• Overview: An AI-powered road monitoring and civic intelligence platform that leverages transit vehicles as mobile sensing units to continuously inspect road networks.
• Computer Vision & Edge: Deploys YOLO object detection and OpenCV processing on-device to identify road anomalies such as potholes, surface degradation, and structural hazards in real time.
• Geospatial Intelligence: Associates detected anomalies with deterministic GPS telemetry, using a 10-meter Haversine spatial radius to deduplicate observations across municipal routes.
• Full-Stack Architecture: Features an interactive GIS dashboard with Leaflet mapping, incident audit inspection, and synchronized telemetry storage.
• Tech Stack: Python, YOLO, OpenCV, Node.js, Express.js, MongoDB, React, SQLite, Leaflet GIS

MERN Stack • JWT Authentication • Role-Based Access Control • Order Lifecycle

• Overview: A full-stack e-commerce web platform engineered with the MERN stack featuring comprehensive customer shopping workflows and administrative operations.
• Core Functionality: JWT authentication with role authorization (Customer & Admin), dynamic product catalog with search, categorization, and sorting filters.
• E-Commerce Pipeline: Client-side shopping cart persistence, streamlined checkout workflow with address management, and historical order tracking for users.
• Admin Management: Dedicated administrative suite to create, update, and manage inventory alongside real-time customer order lifecycle tracking.
• Tech Stack: React, Vite, Node.js, Express.js, MongoDB, Mongoose, JWT, Axios, Tailwind CSS

Enterprise MVC Architecture • Multi-Criteria Eligibility Engine • Real-Time Analytics

• Overview: Enterprise-grade recruitment portal that automates and streamlines the campus hiring lifecycle between students, partner recruiters, and college administrators.
• Policy Enforcement: Automated multi-criteria Academic Eligibility Engine, interview round tracking, and server-side placement policy enforcement ("One Student, One Job Offer").
• Analytics Dashboard: MongoDB aggregation pipelines powering interactive administrative dashboards, department metrics, and placement analytics.
• Tech Stack: Node.js, Express.js, MongoDB Atlas, Mongoose, EJS, MVC Architecture, Vercel

Backend Architecture • JWT & Cookie Security • MongoDB Persistence

• Overview: A backend-focused URL management platform and redirection service built with strict MVC separation of concerns and robust security practices.
• Security & Data: Implements cookie-based JWT authentication, bcrypt password salting, request input sanitization, and structured Mongoose data schemas.
• Tech Stack: Node.js, Express.js, MongoDB, Mongoose, JWT, Bcrypt, EJS

Strong foundation in algorithmic problem solving and discrete mathematical thinking with a focus on computational efficiency:

• Core Focus: C++, Data Structures & Algorithms, Competitive Programming
• Key Concepts: Arrays, Strings, Linked Lists, Trees, Graphs, Dynamic Programming, Recursion, Divide & Conquer, Complexity Optimization
• Coding Profiles:
  • LeetCode: samarkumar4355
  • CodeChef: samar4355
  • Codeforces: Samar4355
  • GitHub: samarkumar4355

I enjoy contributing to open-source projects, collaborating with developers, and building software that solves real-world problems. Whether building modular backend architectures, improving computer vision workflows, or optimizing developer tooling, I value active community collaboration and clean code standards.

• Advanced Data Structures & Algorithms
• Deep Learning & Computer Vision
• Generative AI
• Backend Engineering & Distributed Systems
• System Design
• Open Source Development