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Lizzie Teo

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A walk through what I do, from the first conversation to the shipped screen

I make complicated products simpler to use.

Systems thinking

Ten years of improving complex workflows for teams and users.

Prototyping

Prototyping with paper, Claude Code or Figma.

Design systems

Building atomic design systems a team can run without me.

Bridging design & code

Handing over files an engineer or an AI can build from.

Start to finish

Taking a product from discovery to the shipped screen.

Glad you came by. Here's how I work, and what shipped.

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Selected work

Funding Finder

  • Fintech

Designing trust into a faster private lending application.

Open case study

Mastercard Digital Labs

Under NDA. Shown in interview.

I have the password
  • The Organisation certification screen of the AP+ Testing Portal, light theme: a filterable list of member organisations with workflow, deadline and certification status.
  • The same Organisation certification screen in the portal's dark theme.
  • The certification workflow builder, light theme: a workflow template with its ordered steps, linked test cases and the fields a tester sets for each one.
  • The same certification workflow builder in the portal's dark theme.

AP+ Testing Portal

  • Fintech

Making certification workflows and delivery status easier to read.

Open case study
  • The Symptom Checker start screen on a phone, asking who the symptom check is for, with Me and Someone else as choices.
  • The Symptoms step on a phone: What are your symptoms, with a search field and a link to select from a list instead.
  • The Assessment step on a phone: What is your body temperature, with four answer options and Back and Next.

Healthdirect Symptom Checker

  • Healthcare

Reframing a clinical path so people could finish it with confidence and reach the right care.

Visit site, opens in a new tabOpen case study

Macquarie Radar

  • Higher education

Helping research and faculty teams get ERA submissions ready sooner.

Open case study
  • The Lisa dashboard: Start here lists three repeat breaches, a rising risk and a calibration note beside compliance risk and QA score.
  • The Lisa call page: a call timeline with the hold and the caller upset, What Lisa found, and the transcript with keywords.

Lisa AI Speech Analytics

  • Artificial intelligence
  • 2018

An AI speech analytics tool that helps call centre QA teams monitor compliance across inbound and outbound calls.

Open case study

BHP Standardised Work App and Starter Kit

Two iPad apps to replace BHP's paper work instructions for mining workers.

Open case study
  • The BRDT portal dashboard built in the hackathon MVP.
  • The BRDT screen for creating XML.
  • The BRDT history of generated XML.

BRDT MVP at Amazon Innovation EBA

  • Fintech
  • 2025

A working MVP of the BRDT portal, built with Kiro at a hackathon hosted by Amazon.

Open case study

Personal work

Conjure UI

I kept rebuilding the same AI chat screens for every client, so I built them once: a set of ready made, animated chat components that a designer can brand in minutes and put together just by prompting any AI tool, like Claude Design.

Open case study
  • Michi: Saying hi to Mochi, picking a friend (Mochi, Momo or Maui), the panic button intro, landing on Home.
  • Michi: Turning the dial from "Can't cope" to "Really good" as Mochi's face changes.
  • Michi: Picking a card and a kind line to send a friend.
  • Michi: From the dial into a guided audio exercise, the "Unwind" intro and the body check for "Can't cope".
  • Michi: The "smoke alarm" anxiety lesson, a quiz with a wrong and a right answer, the rainbow finish.
  • Michi: Typing a worry, handing it to Worry the little monster, letting the note go.
  • Michi: Writing two good things, the jar filling with stars, the "Why this helps" sheet.
  • Michi: Colouring Rainbow hills and switching colour sets.
  • Michi: A saved drawing, then "Draw and let go", where strokes fade away.
  • Michi: Picking a movement, then Mochi doing a brisk walk and star jumps with a timer.

Michi

  • iPhone and iPad
  • In TestFlight

An anxiety management app for iPhone and iPad.

Open project
  • The My Care Wishes home page: Make your wishes known, beside a sample care wishes card.
  • The values warm up, What matters to you: Family, Friendship and Togetherness chosen as the words for connection.
  • A care question, If you could no longer recognise the people you love, with stopping life extending treatment chosen from four answers.
  • The same question with the optional notes field open beneath the answers.
  • The review page, You've done something meaningful, listing the chosen values and answers before signing.
  • Sign your directive: a full name, a drawn signature and a confirmation tick, ready to generate the directive.

Advance Care Directive

  • Web
  • Live

A website that helps people in NSW record their wishes for medical care.

Visit site, opens in a new tabOpen project

Writing

This is post one of a series where I document what I'm learning about how software actually works as someone who's been building with AI tools and want to understand what's happening under the hood.

All posts on Substack, opens in a new tab