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Abdalla Samir Khalifa

Software Engineer / Java Developer

I am a backend software engineer specializing in Java and the Spring ecosystem. My approach to development is grounded in meeting practical business requirements with stable, maintainable architecture and code. My daily work revolves around building backend services, designing relational databases, and optimizing query performance. My core technical stack includes Java, Spring (Boot, Security, Data JPA), Linux, and Docker, and I also have a working familiarity with frontend development using Angular. I rely on OOP principles, solid system design, and rigorous peer code reviews to maintain code quality across the team. To continue growing as an engineer, I am actively expanding my expertise by learning new technologies and working to make my system design skills more solid. Currently, I am exploring LLM-assisted development, testing how AI tools and context engineering can be used practically to assist with system analysis and development workflows. I am actively exploring new backend roles and looking to join an engineering team that values technical discipline and straightforward collaboration.

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  1. E-Commerce E-Commerce Public

    E-Commerce Backend platform built with (Spring, Docker, Postgres)

    Java

  2. Food-Delivery-Analysis Food-Delivery-Analysis Public

    System Analysis & Design (SAD) for a Talabat-like restaurant ordering platform, focusing on requirements, system scope, and UML-based high-level design.

  3. E-Commerce-DB-Design E-Commerce-DB-Design Public

    This repository includes the database design and SQL implementation for an E-Commerce Web Application, created as a practice exercise inspired by concepts from the book Practical Web Database Design.

  4. Vacation-Tracking-System-VTS-analysis Vacation-Tracking-System-VTS-analysis Public

    This repository contains the analysis and design artifacts for the Vacation Tracking System (VTS), based on Chapter 12 of the Object-Oriented Analysis & Design (3rd Edition).

  5. DS_Implementation DS_Implementation Public

    This repo includes the implemintation of NON-Premetive data structures was built to practice OOP and data structures

    C++

  6. CV-Resume CV-Resume Public

    CV - Up to date