Product / UX Designer

Jaejin Fisher

Designing clear experiences across complex service ecosystems.

View Case Studies

About Me

Case Studies

From complex systems to clear customer experiences.

Four case studies demonstrating complementary product design capabilities—from customer journeys and service systems to regulatory experiences and continuous optimisation.

Illustration of a digital eSIM activation journey across purchase, preparation, activation and connection.

Journey · Transformation

Prepaid eSIM Activation

Extending eSIM capability to prepaid customers within a decade-old legacy platform.

Customer Journey

Service Design

Legacy Systems

Cross-functional

View Case Study

Illustration of NBN ownership verification within a home internet checkout journey.

Regulatory · Validation

NBN Transfer Compliance Experience

Integrating regulatory ownership verification into the NBN sign-up journey without increasing checkout friction.

Regulatory

Validation

Accessibility

Multi-brand

SCALABILITY

View Case Study

Service blueprint showing links between customer touchpoints, teams, systems and operational processes.

Service · Systems

Service Journey Blueprinting

Mapping service dependencies and operational touchpoints to enable cross-functional alignment.

Service design

Systems Thinking

Cross-functional

Enterprise

View Case Study

Before-and-after device card comparison showing increased information density and scannability.

Product · Optimisation

Device Card CTR Uplift

Improving device comparison and selection within the mobile purchase journey.

Product

Optimisation

Experimentation

Evidence-led

View Case Study

Available for Product Design opportunities, consulting and collaboration.

LinkedIn:

linkedin.com/in/jaejinfisher/

Email:

jaejin.a.fisher@gmail.com