Frontend-leaning software engineer

Justin Fung

Computer Science graduate building AI-assisted, API-backed web products with React, Next.js, and TypeScript.

Mar 2024 - Mar 2025

Clinify

Full-stack engineer intern

Full-stack internship delivering production medical-education features, including AI-assisted OSCE practice and gamified assessment workflows.

Implemented a production OSCE AI simulation bot with text-to-speech and speech-to-text workflows for patient-scenario practice.
Designed and implemented gamified user interfaces for the core question bank and AI-powered learning features.
Led the closed beta program, translating user feedback into prioritised product requirements and reviewing the development roadmap with the CEO.
Maintained internal tools that improved cross-functional alignment on implementation context, assets, and product decisions.

Evidence Gallery

Sep 2021 - Present

Self-employed

Freelance software engineer / consultant

Freelance software engineer and consultant delivering data-driven automations and responsive client websites.

Built a Telegram bot that aggregated and analysed sports-betting odds from multiple bookmakers to surface potential arbitrage opportunities.
Designed and developed responsive, user-friendly websites for more than five clients, including Piano Factory Woodlands.
Developed handover documentation and delivered training for technical and non-technical end users and administrators.

Feb 2024

IBM CIC Hackathon

Finalist

Hackathon finalist project with a full frontend build and API-backed proof of concept for peer-to-peer skill sharing and event management.

Built the full frontend for a peer-to-peer skill-sharing and event-management proof of concept in a 48-hour IBM CIC Innovation Hackathon.
Reached finalist status among 15 teams by shipping a demoable workflow for skill-sharing sessions, workshops, study groups, and event management.
Presented the user problem, product workflow, API-backed implementation path, and technical artefacts through a structured final demo.

Evidence Gallery

Sep 2023 - Jul 2026

University of Leicester

BSc Computer Science

BSc Computer Science graduate with First Class Honours and a 78.58% average, grounding practical software engineering in strong technical fundamentals.

Built a foundation in typed programming, algorithms, databases, and software engineering practice.
Connected academic work with Rust systems programming, accessible web interfaces, product implementation, and data-backed experimentation.

Jan 2023 - Nov 2023

Damage Inc

Frontend engineer - gaming community platform

Frontend role designing and building React and TypeScript interfaces for an 80k-user gaming community platform with event, REP economy, and admin workflows.

Architected and built a React/TypeScript RPG-style crafting and REP economy interface for an 80k-user gaming community platform.
Designed and shipped a responsive React events page from Figma designs while maintaining cross-browser compatibility.
Rebuilt a responsive Admin Control Panel from a legacy PHP system for ~500 admins managing recurring community workflows.
Converted mobile-first Figma designs into reusable React/TypeScript UI structures with accessible interaction patterns.

Evidence Gallery

Personal Projects

GitHub repositories

Microscopic Traffic Simulator GUI overview screenshot from the GitHub README

Rust Traffic Simulator

A CPU-parallel Rust simulation engine that models 100,000 vehicles in real time, with lane changing, ramp metering, emissions modelling, OpenStreetMap imports, and repeatable CSV analytics.

Rust
Simulation
Systems

UniSkill

Finalist project from 15 teams at the IBM CIC Innovation Hackathon: an API-backed peer-to-peer skill-sharing and event-management platform with a full frontend built in 48 hours.

TypeScript
Product
Hackathon

Portfolio homepage screenshot showing the command navigation, hero copy, and portrait

Portfolio Website

An accessible, responsive Astro/React portfolio deployed on Cloudflare with 100 Lighthouse scores, command navigation, structured SEO/JSON-LD, crawlable evidence, and Playwright end-to-end tests.

Astro
React
Accessibility

EPQ

A* EPQ artefact: an AI transfer-learning pipeline over around 70,000 images, with augmentation, staged fine-tuning, learning-curve analysis, model persistence, and prediction review.

Python
Machine Learning
Research

Brainfuck Interpreter

A Brainfuck interpreter written in Rust, featuring tokenisation, parsing, loop handling, file execution, and a 1GB memory tape for running Brainfuck programs from the command line.

Parsing
Interpreter
Language

SquareCrop

Browser-based React tool for cropping local images and exporting resized square JPGs entirely client-side.

React
Image Tooling
Client UI

Skills

Technical range for full-stack product work.

Frontend

React
Next.js
Astro
Vite
Chakra UI
Tailwind CSS
HTML
CSS
Accessibility
Responsive UI
Cross-browser compatibility

Backend & APIs

Node.js
NestJS
Express
Flask
Spring Boot
RESTful APIs
Authentication
Authorization
Security

Testing and Quality

Unit testing
Integration testing
Jest
Vitest
Playwright
Code review
CI/CD

Data and Systems

SQL
Postgres
Supabase
Prisma
Redis
Database schema design
Query optimisation
Data structures
Algorithms
Object-oriented programming
System design

Cloud and Delivery

Git
GitHub
Linux
Docker
Deployment
Observability
Logging
AWS
Azure
GCP
DigitalOcean

Programming Languages

TypeScript
JavaScript
Rust
Java
Python
SQL

Languages

English

Fluent professional communication

Chinese

Fluent professional communication

German

A1 level, learning

Soft Skills

Translates user feedback into prioritised product requirements and contributes to development roadmaps.
Develops handover documentation and training for technical and non-technical users.
Turns mobile-first Figma designs into accessible, reusable React and TypeScript interfaces.
Communicates implementation context, assets, and product decisions across teams.

Contact me

Email[email protected]GitHubgithub.com/choco-green LinkedInlinkedin.com/in/justin-fung-nsb

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