Launching YouTrip Family

YouTrip Family is a supplementary card programme for children.

I turned a defined product vision into a launch-ready product across in-app, physical, and service touchpoints.

Timeline

2025 Q3 - 2026 Q2

What we shipped

Mobile app feature, card programme

My Role

Lead Designer

Context

Scope

A new feature + service design

For parents:

  • In-app sign-up

  • Management of Child accounts

For child users:

  • New card packaging and onboarding

  • Management of own account

For our operations:

  • New processes for onboarding, authentication, notifications, card error resolutions, and customer service resolution

Constraint

A limited child experience

It was decided that children would use the same card and app as adults, with some features removed.

This severely limited the quality of child experience, but leadership was willing to make the tradeoff because the overriding concern was speed to market for validation.

My role

Take aligned happy flows to a successful launch

I joined after the product direction and happy flows had been aligned with senior leadership.

I took ownership of :

  • Closing gaps in usability, experience, system, and service design

  • Accounting for all secondary and edge cases

  • Coordinating cross-functional teams through launch

Approach

Closing experience gaps beyond the brief

my approach

Adding functional and visual polish

I analysed where designs were not truly meeting the needs of parent and child users and closed those gaps, resulting in experiential and usability gains across navigation, clarity, security, and ownership.

Before
After
Sebastien Kun Portfolio
Before
After
Sebastien Kun Portfolio

Communicating card differences: Child cards had different limits and rules from standard cards, yet we didn't communicate this anywhere at sign-up or onboarding. I identified the most intuitive places in the app where we could surface this information. We've received no CS queries about these since launch.

Before
After
Sebastien Kun Portfolio

Child safety: I identified an overlooked security gap for children, and added a contextual scam warning for P2P payments to numbers not in a user's phone contacts. This was later adopted platform-wide for all users.

Before
After
Sebastien Kun Portfolio
Before
After
Sebastien Kun Portfolio

Communicating card differences: Child cards had different limits and rules from standard cards, yet we didn't communicate this anywhere at sign-up or onboarding. I identified the most intuitive places in the app where we could surface this information. We've received no CS queries about these since launch.

Before
After
Sebastien Kun Portfolio

Child safety: I identified an overlooked security gap for children, and added a contextual scam warning for P2P payments to numbers not in a user's phone contacts. This was later adopted platform-wide for all users.

Before
After
Sebastien Kun Portfolio
Before
After
Sebastien Kun Portfolio
Before
After
Sebastien Kun Portfolio

Communicating card differences: Child cards had different limits and rules from standard cards, yet we didn't communicate this anywhere at sign-up or onboarding. I identified the most intuitive places in the app where we could surface this information. We've received no CS queries about these since launch.

Child safety: I identified an overlooked security gap for children, and added a contextual scam warning for P2P payments to numbers not in a user's phone contacts. This was later adopted platform-wide for all users.

Design

Derisking onboarding

CHALLENGE
CHALLENGE

A complex process with untested assumptions

Onboarding was a complex process that spread across app and physical surfaces. The original designs assumed users would operate with perfect knowledge of the system. This was not a fair assumption.

Yet, leadership was eager to move directly into development.

solution

Uncovered usability issues, improved flow

I convinced stakeholders to conduct usability testing. This uncovered 3 critical issues that would have caused high rates of Child login failure and compromised a smooth launch rollout.

These findings made the team commit resources to redesign the process.We successfully increased task success rates in internal usability tests, and had no issues at launch.

4-5x

Improvements to task success

Before
After
Sebastien Kun Portfolio

The new onboarding process after card activation walked parents through setup, ensuring they knew how the app worked

The new onboarding process after card activation walked parents through setup, ensuring they knew how the app worked

Before
After
Sebastien Kun Portfolio

Card packaging was also redesigned to guide a smooth card activation and onboarding process.

Card packaging was also redesigned to guide a smooth card activation and onboarding process.

Design

Redesigning the app for dual card ownership

CHALLENGE

Shared card ownership presented UX problems

Parents now had to:

  • Manage multiple accounts at once

  • Know when to act on issues on behalf of their children

For children:

  • Parental controls risked unexpected card or app behaviours if settings changed without notice

  • Legally couldn't resolve some card issues

Solution

A curated notification experience to support shared understanding

I designed a notification experience that kept users informed across all 16 card states and 40+ transactions types, all from their device lockscreens.

To reduce overwhelm, changes are triaged by severity: trivial changes surface as in-app contextual explainers; only changes needing immediate action or scrutiny are escalated as push notifications.

Optimised for lock screen management: At a glance, parents can easily manage the different accounts under them

Optimised for lock screen management: At a glance, parents can easily manage the different accounts under them

Similarly, children users are kept updated about key changes to their card functionality all from lockscreen.

Similarly, children users are kept updated about key changes to their card functionality all from lockscreen.

Making clear to children why features are disabled: Rather than disable features restricted by their parents, children be allowed to tap into the feature, and explained why they can't use the feature.

Making clear to children why features are disabled: Rather than disable features restricted by their parents, children be allowed to tap into the feature, and explained why they can't use the feature.

For card issues, notifications are only the middle man between issue and resolution flows. I worked with Product, Legal, Compliance, and CS to ensure the flows of all possible card states were compliant and intuitive.

Extending decision-making app wide: To keep the experience consistent, I made a notification framework that systematised decision-making. This was later integrated into the team's writing guidelines to help other designers.

Extending decision-making app wide: To keep the experience consistent, I made a notification framework that systematised decision-making. This was later integrated into the team's writing guidelines to help other designers.

CHALLENGE

Engineering limits the ideal in-app alerts system

At tech grooming, engineers pointed out that structural limitations meant our existing in-app alerts system couldn't easily surface Child card issues on the default banner section on a parent's homescreen.

This would make important alerts easy to miss on a parent's homescreen and create friction to resolution.

my contribution

Led negotiations to preserve usability

I illustrated the costs and benefits of various options, and presented them to Product and Engineering, giving everyone a clear picture of what was at stake:

This helped us get buy-in to make UI changes necessary to preserve usability. After alignment, I iterated the core solution to the final design.

The issue summarised

The shipped design implements dynamic order, and uses motion to get a user's attention. Coupled with the notification system, we were confident parents would not miss important alerts.

Leadership

Tighter collaboration for a unified product experience

CHALLENGE

Siloed teams led to disjointed experiences

Traditionally, YouTrip launched products in-silos. After the Product team was done making the product, Marketing and CS articles were expected to 'do their thing' for the launch.

This workflow created disjointed experiences across the app, marketing and CS experiences.

Approach

Initiated a closer working relationship with Marketing and CS to create a more seamless product experience

I took the initiative to reach out to colleagues in these teams and build on each team's unique strengths.

With marketing, we co-developed the visual direction. This resulted in an end product was visually much stronger and unified across the product's various surfaces.

The visual direction applied across surfaces.

The visual direction applied across surfaces.

Before
After
Sebastien Kun Portfolio

In-app visuals before and after the sync in visual direction. The AI slop on the initial Splash screen wasn't my decision, but we were able to replace it with a higher quality visual for the shipped product.

Before
After
Sebastien Kun Portfolio

Representation for YouTrip's diverse user base: Before and after my feedback to Marketing

"Sebastien's partnership with the marketing team has made a meaningful impact on how we deliver campaigns and product narratives. Through our collaboration, particularly on YouTrip Family, we were able to align closely on visual direction and user experience, resulting in a more cohesive and impactful end product."

Cheryl Tay

Senior Marketing Manager

"Sebastien's partnership with the marketing team has made a meaningful impact on how we deliver campaigns and product narratives. Through our collaboration, particularly on YouTrip Family, we were able to align closely on visual direction and user experience, resulting in a more cohesive and impactful end product."

Cheryl Tay

Senior Marketing Manager

"Sebastien's partnership with the marketing team has made a meaningful impact on how we deliver campaigns and product narratives. Through our collaboration, particularly on YouTrip Family, we were able to align closely on visual direction and user experience, resulting in a more cohesive and impactful end product."

Cheryl Tay

Senior Marketing Manager
Approach

A seamless CS experience

CS didn't have sufficient product expertise to develop a useful FAQ for users. As such, we took charge of creating FAQs for both in-app and web entry points.

We also advised them on the scenarios requiring new CS SOPs.

“Seb takes into account how decisions may impact CS, such as recognising potential strain on the team or identifying areas where additional support may be needed. This awareness helps ensure that solutions are more balanced and practical across functions.”

Hafiz

CS LeaD

“Seb takes into account how decisions may impact CS, such as recognising potential strain on the team or identifying areas where additional support may be needed. This awareness helps ensure that solutions are more balanced and practical across functions.”

Hafiz

CS LeaD

“Seb takes into account how decisions may impact CS, such as recognising potential strain on the team or identifying areas where additional support may be needed. This awareness helps ensure that solutions are more balanced and practical across functions.”

Hafiz

CS LeaD

I led the information architecture and content design of the feature's FAQ.

I led the information architecture and content design of the feature's FAQ.

Impact

We launched in May 2026. Uptake exceeded our expectations:

2.5x

projected adoption target in the first month

Moreover, there was no spike in CS queries regarding the feature, signalling a smooth card activation and onboarding for parents and children.

YouTrip Family is a solid, practical addition for existing YouTrip users with kids. (...) The parental controls are sensible, setup is quick, and the pricing is hard to argue with."

MoneySmart

official review

YouTrip Family is a solid, practical addition for existing YouTrip users with kids. (...) The parental controls are sensible, setup is quick, and the pricing is hard to argue with."

MoneySmart

official review

YouTrip Family is a solid, practical addition for existing YouTrip users with kids. (...) The parental controls are sensible, setup is quick, and the pricing is hard to argue with."

MoneySmart

official review

From my teammates

"Sebastien's clear product mindset & leadership impresses me throughout the YouTrip Family project, not just focusing on design execution but positively influencing product direction, which consistently led to more thoughtful user solutions. He is sharp, clear and collaborative, which makes him both fun and easy to work with."

Vincent Ong

PM

"Sebastien's clear product mindset & leadership impresses me throughout the YouTrip Family project, not just focusing on design execution but positively influencing product direction, which consistently led to more thoughtful user solutions. He is sharp, clear and collaborative, which makes him both fun and easy to work with."

Vincent Ong

PM

Continue browsing

Create a free website with Framer, the website builder loved by startups, designers and agencies.