Christian Gleitzman

My Projects

A selection of projects demonstrating my proficiency in systems design, software development, and algorithmic problem-solving. These projects highlight my commitment to making useful and impactful software. You can catch a glimpse of them below or view the full source repositories on my GitHub.

Featured Work

Secure Journaling Application

Oct 2025 – Present

A secure journaling application developed as part of a 4-person Agile team.

Key Highlights

Designed and delivered secure journaling app with future-proof engineering standards
Enforced Git pull-and-merge workflow and automated backend unit testing (JUnit)
Architected decoupled MVC backend with integrated NLP model (LangChain4j) for semantic topic analysis
Maintained absolute data privacy for sensitive user inputs

Tech Stack

JavaGitJUnitLangChain4jMVC Architecture

Role: SCRUM Master / Backend Engineer (4-person Agile team)

Java Online Messaging App

Summer 2025

A collaborative multi-threaded real-time messaging application using Java Sockets and Concurrency.

Key Highlights

Architected multi-threaded real-time messaging application with Java Sockets
Handled simultaneous user connections with robust concurrency patterns
Implemented scalable client-server architecture with OOP design patterns
Managed version control with feature branches and pull requests

Tech Stack

JavaJava SocketsConcurrencyOOP Design PatternsGit/GitHub

Role: Collaborative Developer with fellow student

Password Manager

Personal Project

A secure credential storage solution with encryption and authentication.

Key Highlights

Implemented AES-256 encryption and salted hashing (SHA-256) for data security
Engineered responsive GUI using PyQt with focus on UX and security flows
Built intuitive CRUD operations for credential management
Demonstrated full-stack development with Python backend and database integration

Tech Stack

PythonSQLPyQtAES-256SHA-256 Hashing

Role: Full-Stack Developer

Maths Revision Game

A-Level Computer Science Coursework 2022

A client-server Python application for student progress tracking and revision.

Key Highlights

Built full-stack client-server Python application with database integration
Implemented progress tracking and high score persistence
Collaborated with stakeholders to gather requirements and feedback
Demonstrated effectiveness as a revision tool with positive student feedback

Tech Stack

PythonSQLClient-Server Architecture

Role: Solo Developer

Additional Projects

Movie-Rankings

This project is a movie ranking game that uses the ELO rating system to rank movies based on user opinions during match-ups. This is used to find a user's favourite movies!

View Code

Calculator

A simple calculator application built using PyQt5, a library for creating desktop applications with Python. Qt Designer, a GUI layout and forms designer, was used for creating the calculator's interface.

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Password-Manager

This is a Python program that allows you to securely store and retrieve your passwords. It uses encryption to protect your passwords and has a user-friendly interface for adding, viewing, and editing them.

View Code

A-Level-Maths-Revision-Game

This project is my A-level computer science coursework, in which I developed an interactive Maths Integration and Differentiation revision game. The application uses a combination of client and server-side Python programs, as well as a central server database to store user data and questions.

View Code