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  • Leeds, UK & Manama, Bahrain

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saralnajjar/README.md

Sara Alnajjar

Second-year Computer Science student at the University of Leeds, interested in security, encryption, and software engineering.

What I'm working on

  • Building out my portfolio with projects in Kotlin and Python
  • Daily coding challenges across both languages
  • Exploring cryptography and security concepts

Tech

Languages: Python · Kotlin · SQL · HTML/CSS · C · Java
Tools: Git · Gradle · Ktor
Concepts: Cryptography · Operating Systems · HCI · Graph Algorithms

Projects

Project Description Language
classical-ciphers-python Caesar, Substitution, and Vigenère ciphers with a CLI Python
data-structures-kotlin Linked list, stack, queue, BST, hash table from scratch Kotlin
coding-challenges Daily algorithm practice in Python and Kotlin Python & Kotlin
wordle-kotlin Fully functional command line Wordle Kotlin
typing-trainer CLI typing practice app with WPM and accuracy scoring Python

Currently studying

Cryptography & Security · Graph Algorithms · Operating Systems · Human-Computer Interaction

📍 University of Leeds

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  1. comp2850-minimal-solution comp2850-minimal-solution Public

    Forked from julianbrooks/comp2850-minimal-solution

    COMP2850 HCI task management app. Task manager web app with full WCAG 2.1 accessibility audit — real participant testing, code fixes, before/after metrics.

    Kotlin

  2. wordle-kotlin wordle-kotlin Public

    Wordle word-guessing game built in Kotlin. Implements game logic, input validation, and colour-coded feedback for correct, misplaced, and incorrect letters.

    HTML

  3. classical-ciphers-python classical-ciphers-python Public

    Command-line tool implementing three classical encryption ciphers in Python: Caesar/Shift, Substitution, Brute Force, and Vigenère.

    Python

  4. coding-challenges coding-challenges Public

    Coding challenges solved in Python and Kotlin.

    Python

  5. typing-trainer typing-trainer Public

    A CLI typing practice tool built in Python. Tracks WPM, accuracy, and personal bests across three difficulty modes.

    Python