# Chang Ching

Chang Ching is a remote worker on Himalayas, Product Designer at Settleo, based in Sweden.

Source: https://himalayas.app/@changching

```text
Product Designer at GattyInstruments AB who redesigned Spiroluft for clinical use and took an AI bill-splitting app to TestFlight.
```

| Detail | Value |
| --- | --- |
| Availability | Looking for a job |
| Location | Sweden |
| Authorized to work in | Sweden |
| Salary expectations | 400k+ SEK |
| Job categories | Product Designer |
| Skills | Product Design, UX UI Design, Interaction Design, User Research, Usability Testing, Heuristic Evaluation, Information Architecture, User Flows, Design Systems, High Fidelity Prototyping, Component Libraries, Design Tokens, Responsive Design, Accessibility (WCAG), Decision Safe Interaction Design |

## About

```text
At GattyInstruments AB, I redesigned Spiroluft as it moved from home use toward clinical use. I reorganized clinician and patient workflows and clarified how clinicians review and communicate respiratory data.

On my independent project, Settleo, I took an AI-powered iOS bill-splitting app from concept to TestFlight. I designed the receipt-scanning and itemization flow, tested it with four participants, and reduced a group bill-splitting workflow from approximately 20 minutes to 2 minutes.

My product design work draws on an MA in Human-Computer Interaction and five years of prior clinical experience. For my master's thesis, I developed an 18-dimension heuristic framework for handheld breath-analysis interfaces and evaluated it across six clinical scenarios.
```

## Experience

### Product Designer

Settleo. Apr 2026 - Aug 2026

```text
Designed and built an AI-powered iOS bill-splitting app from concept to TestFlight, covering product definition, UX/UI design, prototyping, implementation, and testing. Conducted usability testing and reduced a real group bill-splitting workflow from approximately 20 minutes to 2 minutes.
```

Skills: Product-Design, UX-UI-Design, Prototyping, Usability-Testing, iOS, AI, Figma, Claude-Code, Supabase, PostgreSQL

### Product Designer

GattyInstruments AB. Jan 2026 - Jun 2026

```text
Owned the redesign of Spiroluft for clinical use, redesigning information architecture, clinician/patient workflows, and interaction patterns. Built high-fidelity interactive prototypes and converted Figma foundations into JSON-based design tokens.
```

Skills: Product-Design, UX-UI-Design, Interaction-Design, Information-Architecture, Heuristic-Evaluation, Figma, Figma-Make, Claude-Code, Design-Tokens

### Product Designer

Shenzhen Customer Obsession Inc. Aug 2025 - Jan 2026

```text
Designed and delivered responsive websites for three client projects, from requirements gathering and UX/UI design through implementation in WordPress. Wrote PRDs and translated stakeholder requirements into page structures and user flows.
```

Skills: Product-Design, UX-UI-Design, Responsive-Design, WordPress, PRD文档撰写, User-Flows

### Registered Nurse

Psychiatric ER/ICU. Feb 2018 - Oct 2023

```text
Delivered care in high-acuity psychiatric ER and ICU settings, working with multidisciplinary teams and making time-critical decisions for 6–8 patients daily.
```

Skills: Nursing, Psychiatric-Care, ICU, Emergency-Care, Multidisciplinary-teamwork

### Registered Nurse

Cardiovascular Surgery ICU. Oct 2017 - Dec 2017

```text
Managed postoperative care in a 12-bed ICU, coordinating closely with surgical and anesthesiology teams.
```

Skills: Nursing, ICU, Postoperative-Care, Cardiac-Surgery., Team-Coordination

## Education

### Uppsala University

Master of Arts, Human-Computer Interaction

```text
Completed an MA in Human-Computer Interaction with a thesis passed with distinction.
```

### Chang Gung University

Bachelor of Science, Nursing. Grade: 3.66/4.3

```text
Earned a BS in Nursing with a GPA of 3.66 out of 4.3.
```

## Tech stack

- Figma
- Conductor
- Framer
- WordPress
- Supabase
- Claude Code

To contact Chang, message them from this profile with a Himalayas employer account: [Hire on Himalayas](https://himalayas.app/hire).

## People also viewed

- [Gean Carlos Salazar](https://himalayas.app/@geansalazar): Product Designer, Spark
- [Unni Wihlborg](https://himalayas.app/@unniwihlborg): UX Designer, Mercell Commerce AB
- [Karro Olofsson](https://himalayas.app/@karroolofsson): Social Committee Member, Skarpnäck District
- [sameer mishra](https://himalayas.app/@sameermishra1): Senior Project Manager, SigmaT Consultancy
- [Rain Lieberman](https://himalayas.app/@rainlieberman): Lead Product Design Consultant, Various Clients
- [Ali Ezzati](https://himalayas.app/@aliezzati): Senior Product Designer, Greenely
- [Alena User](https://himalayas.app/@alenauser4): UXUI Designer, Langscape
- [Philippe Sainz](https://himalayas.app/@philippesainz): Product Designer, Clearon
- [Marjan Zahedi](https://himalayas.app/@marjanzahedi): Senior Product Designer & Researcher, ResursBank
- [Mehdi Khayyami](https://himalayas.app/@mehdikhayyami): Senior UX Architect & Product Owner, RedToken Global