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codewithmahad/README.md
Shaikh Mahad Premium Banner


I am a Software Engineering undergraduate at UBIT (University of Karachi) with a strong bias toward backend systems, correctness, and performance.

I enjoy working close to fundamentals — data structures, object-oriented design, and system internals — and I care deeply about why a system is built a certain way, not just how it works.

Earlier, I worked extensively on Native Android development (Kotlin / Jetpack Compose). Today, I am channeling that experience into backend engineering with Java and Spring Boot, building clean, scalable, production-grade services.

Founder of The UBIT Hub — mentoring students in engineering discipline.


C O R E   A R C H I T E C T U R E

Java Spring Boot
Spring Boot 		PostgreSQL
PostgreSQL 		Redis
Redis 		Security
Security
Kotlin
Kotlin 		Compose
Compose 		Docker
Docker 		MongoDB
MongoDB 		C++
C++ (DSA)

D E V   T O O L K I T



▪️ System Internals: Deepening understanding of JVM architecture, Concurrency, and Memory Management.
▪️ Backend Architecture: Designing scalable REST APIs with Spring Boot (Security, Validation, Caching).
▪️ Database Engineering: Advanced PostgreSQL (Indexing, Query Optimization, and Schema Design).
▪️ Algorithmic Problem Solving: Consistent grinding on LeetCode/CodeForces to sharpen logic.

3D Contribution Graph


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  1. Derivify-Calculus-Toolkit Derivify-Calculus-Toolkit Public

    A native Android app for Multi-Variable Calculus, built with Kotlin and Jetpack Compose.

    Kotlin 3

  2. Quizzler-App Quizzler-App Public

    A quiz app for Android named Quizzler. This was built as my final project for a 2nd-semester Object-Oriented Programming (OOP) course.

    Kotlin 1

  3. fitness-tracker-backend fitness-tracker-backend Public

    Layered Java Spring Boot backend for a fitness tracking platform featuring REST APIs, JWT security, and database persistence.

    Java

  4. spring-boot-25-enterprise-template spring-boot-25-enterprise-template Public template

    Production-ready Spring Boot 4 & Java 25 starter template. Features PostgreSQL, Flyway migrations, OpenAPI (Swagger), Actuator, and MapStruct for rapid, scalable REST API developme

    Java

  5. The-DSA-Blueprint The-DSA-Blueprint Public

    A complete DSA Roadmap & Strategy Guide for University Students. From Syntax to FAANG. 🇵🇰

  6. SmartTip-App SmartTip-App Public

    A Smart Tip Calculator app built with Jetpack Compose in Kotlin, allowing users to calculate tips efficiently.

    Kotlin