Human-centered systems and stories

I'm Alex, a software engineer studying Computer Science at the University of Cambridge 🇬🇧.
I design and ship full-stack products end to end. Welcome to the portfolio.

About – Alexander Wang

Selected work

A selection of my work, with demos and notes on how I built them.

Creator · Live

Semantic Find

Search a page by meaning. A browser-based search engine combining exact, keyword, and semantic matching, with inference on your device.

TypeScript

transformers.js

Web Workers

Chrome Extension (MV3)

WebGPU / WASM

Semantic Find searching a long document, showing ranked results labelled by how closely each one matches.

Project demo screenshot. Use “Try demo” below to open the project.

Read case study

Try demo

View code

Founder & Software Engineer · Live

Haloway

An AI powered college-application workspace with a suite of purpose-built organizational tools. Used by 200+ users, including paying customers who got into top schools like Yale and Berkeley.

Next.js

TypeScript

PostgreSQL

Stripe

LLM orchestration

The Haloway essay workspace, showing a student's essays grouped by school and prompt alongside the drafting editor.

Project demo screenshot. Use “Visit Haloway” below to open the project.

Read case study

Visit Haloway

View all projects

Experience

Munich Re America ServicesJun 2026 – Sep 2026

Data Analysis & Engineering InternEnterprise data discovery, SQL-based data profiling, and Power BI reporting.

HalowayApr 2025 – Present

Founder & Software EngineerBuilt and run an AI-assisted college-application platform, including its database, Stripe billing, and AI features.

More about my background

Away from the desk

Outside software, my interests include classical piano, violin, painting, and history. You can find some of my artwork and performances in the gallery.

See the gallery

Get in touch

The best way to reach me is email: aw2159@cam.ac.uk

GitHub

Resume