Sahaf | CS Portfolio

Skills

Python JavaScript Java SQL / MySQL R (basic) React.js Node.js Express.js REST APIs Machine Learning Data Mining scikit-learn Pandas / NumPy Feature Engineering Model Evaluation Tailwind CSS Git & GitHub Agile / Scrum

Projects

Interactive Timelines from Wikipedia

Full-stack system for extracting, structuring, and visualising historical events from Wikipedia — built for digital humanities research.

ReactNode.jsMySQLCheerio.jsTailwind

Scraper: Extracts timeline data with 80%+ accuracy using Axios & Cheerio.js, handling nested lists and tables.
CRUD Management: Full create, read, update, delete for timelines and events with real-time visual updates.
RESTful API: Node.js + Express with validation, error handling, and timeline publishing endpoints.
Database: MySQL with normalised schema, flexible querying, and sorting.
Frontend: React UI with TimelineJS3 rendering and embedded sharing support.

GitHub →

Rhythm & Karaoke Game

Music-based game with three modes: Rhythm Game, Karaoke, and Audio Visualisations.

p5.jsml5JavaScript

Pitch Detection: Real-time microphone analysis using ml5 pitch model, compared against song pitch.
FFT Analysis: Extracts dominant pitches using Fast Fourier Transform.
Game Logic: Start / pause / game-over states, score calculation, countdown timers.
Visuals: Pitch bars, waveforms, lyrics sync, animated overlays (glitter, hearts, butterflies).

GitHub →

FoodRate Application

Web platform for sharing, discovering, and rating food posts.

Node.jsExpressMySQLEJS

Security: bcrypt password hashing, session auth, SQL injection prevention with prepared statements.
External API: TheMealDB integration for recipe suggestions.
File Handling: Image optimisation with Sharp-Multer for faster loading.
UX: Tag and rating filters; usability tested with iterative feedback cycles.

GitHub →

More Projects

Simple Calculator (Java)

Java GUI calculator using Swing, with expression parsing via stacks and real-time operation history.

JavaSwing

Expression Evaluation: Handles complex expressions with nested parentheses using stack-based parsing.
Operation History: Displays a real-time scrollable log of all calculations performed.
Input Handling: Backspace (←) to correct errors; clear (C) to reset input and history.
Error Handling: Catches division by zero, invalid expressions, and malformed input gracefully.

GitHub →

French Revolution Visualisation Tool

Interactive data visualisation tool for exploring the French Revolution's events, locations, and relationships.

ReactNode.jsExpressTimelineJS3CSS

Interactive Timeline: Chronological display of key events with zoom and detail functionalities.
Sample Data: Includes events like the Storming of the Bastille and the Execution of Louis XVI.
Dynamic UI: Responsive and intuitive interface built with modern web technologies.
Custom Styling: Pastel-themed accessible styles enhancing readability.

GitHub →

Room Booking System

Collaborative full-stack room booking application built with a team using Agile methodology.

Node.jsExpressMySQL

Agile: Iterative V0→V1 delivery with dynamic filters and real-time updates.
Performance: Optimised SQL queries, AJAX-driven DOM updates, minimised file sizes.
Collaboration: GitHub-based version control with peer code reviews.

GitHub →

Education

BSc Computer Science — First Class Honours

Goldsmiths, University of London · Oct 2022 – Aug 2025 · Final average: 74%

Data Mining (Year 3): 100%
Dynamic Web Applications (Year 2): 94%
Computing Project 2 (Year 2): 93%
Frontend Web (Year 1): 99%
Computing Project 1 (Year 1): 90%
Machine Learning, Databases & the Web, AI (Year 3): 61–66%

Experience

Utilities Officer

Nationwide Accommodation Services Ltd, London · Nov 2025 – Present

Manage utility accounts (gas, electricity, water, council tax) across multiple residential properties.
Analyse monthly expenditure using Excel; identify discrepancies and liaise with suppliers to recover refunds and secure cost-effective tariffs.
Prepare structured monthly financial reports for senior management.

Computer Repair Technician

maconomix

Diagnosed and resolved hardware/software issues on laptops and phones.
Provided face-to-face technical support, explaining solutions clearly to customers.
Managed inventory and repair schedules for timely service delivery.
Handled follow-up communication to ensure customer satisfaction.

Business Support

Tower Hamlets Temporary Housing

Performed administrative tasks: scheduling, document preparation, data entry.
Generated compliance reports using internal databases.
Served as point of contact for tenant inquiries with clear, timely responses.

Secretary

Anime and Games Society, Goldsmiths

Organised activities and managed meeting agendas and minutes.
Maintained membership records in accordance with data protection laws.
Coordinated events, developing budgeting and public-speaking skills.

Volunteer

Foodbank at Docklands Settlements

Sorted and distributed donations; assisted clients navigating available resources.
Managed inventory and trained new volunteers on protocols.
Prepared inventory reports to support funding applications.