Launching YouTrip Family

I was the execution Design Lead for YouTrip Family, 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

Project context

SCOPE

New features, new flows, new service flows

The new card programme created new features and user flows that demanded new in-app flows and service design for new scenarios.

My role

Launch lead

I took a defined vision through to launch:

  • Fleshed out secondary flows and edge cases

  • Closing experience and system gaps

  • Coordinated and directed cross-functional teams to get ready for launch

Top-ups · P2P transfers · FX Exchange · Card & account management · Parental controls · Child onboarding · Physical card packaging · Child app · Conversion of Child to Standard accounts · CS FAQs & SOPs · Internal tooling

Impact 01

Closing experience gaps of initial designs

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.

sign ups

Driving conversion with clearer USPs

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After
Sebastien Kun Portfolio
Product education

Educating parents about card differences

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After
Sebastien Kun Portfolio

Child cards had different limits and rules from standard cards, but since the card looked the same, it was easy for parents to assume they worked the same.

To solve for this, I identified the most intuitive places to surface the differences contextually. We've received no CS queries about these since launch.

Safety

A child safety improvement that rolled out to all users

While reviewing the P2P transfer flow from a child user's perspective, I noticed an overlooked security gap where child users are trying to send money to someone who is not in their contact list.

To raise awareness of the risk, I added a contextual scam warning. This was later adopted platform-wide for all users.

Information architecture

Improving recognition of key features

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After
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Product education

Educating children about features disabled by their parents

Parts of the Child app could be inaccessible due to parental controls. This risked children mistakenly thinking the app was buggy or limited in features.

To solve this, I chose to allow child users see the Child app's full features, and allow to tap in. Only then would we stop them with explainers why they can't use the feature, and direct them to their parents

sign ups

Driving conversion with clearer USPs

Before
After
Sebastien Kun Portfolio
Information architecture

Improving recognition of key features

Before
After
Sebastien Kun Portfolio
Product education

Educating parents about card differences

Before
After
Sebastien Kun Portfolio

Child cards had different limits and rules from standard cards, but since the card looked the same, it was easy for parents to assume they worked the same.

To solve for this, I identified the most intuitive places to surface the differences contextually. We've received no CS queries about these since launch.

Product education

Educating children about features disabled by their parents

Parts of the Child app could be inaccessible due to parental controls. This risked children mistakenly thinking the app was buggy or limited in features.

To solve this, I chose to allow child users see the Child app's full features, and allow to tap in. Only then would we stop them with explainers why they can't use the feature, and direct them to their parents

Safety

A child safety improvement that rolled out to all users

While reviewing the P2P transfer flow from a child user's perspective, I noticed an overlooked security gap where child users are trying to send money to someone who is not in their contact list.

To raise awareness of the risk, I added a contextual scam warning. This was later adopted platform-wide for all users.

IMPACT 02

Derisked onboarding failures

Onboarding was part of the happy flows delivered before I was brought on the project.

Although I was told it had been approved, I audited it as part of my responsibility as Launch lead.

identified risk

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

Testing uncovered usability issues, which were fixed before launch

I convinced stakeholders that the risk was worth investigating with usability testing. This uncovered 3 critical issues that would have 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

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Shipped

A falloff-proof onboarding process

The new onboarding process after card activation walked parents through setup, ensuring they knew how the app worked even if they dropped off after the first step.

Shipped

Enhanced physical touchpoint as safety net

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After
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I identified that the physical card packaging was an important safety net to redirect lost users towards a successful onboarding. I tested and redesigned the the packaging to better support such unhappy scenarios.

Shipped

A falloff-proof onboarding process

The new onboarding process after card activation walked parents through setup, ensuring they knew how the app worked even if they dropped off after the first step.

Shipped

Enhanced physical touchpoint as safety net

Before
After
Sebastien Kun Portfolio

I identified that the physical card packaging was an important safety net to redirect lost users towards a successful onboarding. I tested and redesigned the the packaging to better support such unhappy scenarios.

IMPACT 03

Redesign for
dual card ownership

The new card model presented several issues that needed to be resolved for a good cards experience

CHALLENGE 01

Maintaining shared understanding of card status

For both parents and children, shared card ownership risked unexpected card or app behaviours due to the actions of the other party.

Moreover, card status isn't immediately visible without a digital layer of our app.

CHALLENGE 02

Children don't have the samr error resolution powers of adults

By default, cardholders resolved all card and account issues in-app on their own.

Child users would benefit from this convenience, but couldn't do so due to safety and legal concerns.

CHALLENGE 03

Parents now had to manage multiple accounts

Parents now had to juggle their own accounts with their child(ren)'s. It was easy to get confused.

CHALLENGE 01

Maintaining shared understanding of card status

For both parents and children, shared card ownership risked unexpected card or app behaviours due to the actions of the other party.

Moreover, card status isn't immediately visible without a digital layer of our app.

CHALLENGE 03

Parents now had to manage multiple accounts

Parents now had to juggle their own accounts with their child(ren)'s. It was easy to get confused.

CHALLENGE 02

Children don't have the samr error resolution powers of adults

By default, cardholders resolved all card and account issues in-app on their own.

Child users would benefit from this convenience, but couldn't do so due to safety and legal concerns.

CHALLENGE 01

Maintaining shared understanding of card status

For both parents and children, shared card ownership risked unexpected card or app behaviours due to the actions of the other party.

Moreover, card status isn't immediately visible without a digital layer of our app.

CHALLENGE 02

Children don't have the samr error resolution powers of adults

By default, cardholders resolved all card and account issues in-app on their own.

Child users would benefit from this convenience, but couldn't do so due to safety and legal concerns.

CHALLENGE 03

Parents now had to manage multiple accounts

Parents now had to juggle their own accounts with their child(ren)'s. It was easy to get confused.

Solution 01

A tiered permission model to resolve abnormal states

Working with Product and Legal, I established a decision model across all 15+ card and account states that balanced child safety and parental trust with user experience at payment.

low risK

Optimise for better card usage experience

Children are allowed to resolve card and app access issues like PIN resets so that they can easily pay and withdraw.

Higher stakes

Optimise for safety

Only parents can resolve safety and high-impact issues like fraud and account suspensions.

SolutioN 02

Creating shared understanding with notifications

To keep both cardholders aware of the latest card states, we surfaced card statuses both in-app and through notifications.

Optimised lockscreen experience

The phone lockscreen was a key touchpoint that enabled ambiently monitor their cards without opening the app.

Copy was specially designed to help parents easily manage multiple accounts, and instantly communicate to both receivers of any relevant next steps.

Notification experience

Parent lockscreen view

Copy was designed so that parents could easily differentiate accounts and understand what was happening from their lockscreen. This allowed them to easily manage without cognitive overwhelm.

Notification experience

Updating users from start to end

Push notifications were designed to have an initial alert and resolved outcome to keep both users informed throughout a card flow. In standard flows, there is no outcome push notification as it is assumed the user took the action in-app and is aware of the outcome.

Notification experience

Child lockscreen view

Similarly, children users are kept updated about key changes to their card functionality all from lockscreen. Issues that must be done by their parents are immediately highlighted so the child knows the next step is to reach out to their parents.

Notification experience

Parent lockscreen view

Copy was designed so that parents could easily differentiate accounts and understand what was happening from their lockscreen. This allowed them to easily manage without cognitive overwhelm.

Notification experience

Child lockscreen view

Similarly, children users are kept updated about key changes to their card functionality all from lockscreen. Issues that must be done by their parents are immediately highlighted so the child knows the next step is to reach out to their parents.

Notification experience

Updating users from start to end

Push notifications were designed to have an initial alert and resolved outcome to keep both users informed throughout a card flow. In standard flows, there is no outcome push notification as it is assumed the user took the action in-app and is aware of the outcome.

Behind the scenes

All 15+ In-app flows were tweaked to fit both the permissions model and notifications system. This is an example of child and parent flows mapped out for one scenario: app PIN reset.

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.

YouTrip's in-app alert system also had to change due to the dual card ownership model

Within YouTrip, users are typically informed of abnormal card states with a banner of the homescreen.

YouTrip's default in-app alert system is a carousel banner on the homescreen.

CHALLENGE
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.

Surfacing child card issues on the parent's Homescreen was deemed too high effort by Engineering.

I immediately identified usability problems with this approach:

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

my contribution

Led cross-functional negotiations to preserve usability

To ensure Product and Engineering had a clear picture of what was at stake, I illustrated the costs and benefits of various options, and presented them to my working level counterparts:

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

Shipped

New alert banner system with dynamic order

The shipped design implements dynamic order, and uses motion to get a user's attention. The order and appearance of child accounts are triaged by severity and recency to ensure parents see the most pressing issues first. Coupled with the PN and email notifications, we were confident parents would not miss important alerts.

IMPACT 04

Created a more unified product experience by changing how teams worked together

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

Involving Product, Marketing and CS more collaboratively

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.

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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

Directing CS

With CS, we recognised that CS didn't have sufficient product expertise to develop a useful FAQ for users, but excelled at creating SOPs.

As such, we divided work based on our individual strengths: my PM and I took charge of creating FAQs for both in-app and web entry points, while they focused on creating CS SOPs with our feedback.

Since users could search for information through web search and app, I led the information architecture and content design of the feature's FAQ to ensure one architecture could handle both entry points well.

Since users could search for information through web search and app, I led the information architecture and content design of the feature's FAQ to ensure one architecture could handle both entry points well.

“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

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

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