hitachi systems ux

Designing Scalable UX for a Regulated Financial Platform

Monorail is a Hitachi Client partner and a regulated fintech platform focused on long-term investing, portfolio transparency, and operational trust. I led UX strategy across multiple core initiatives including onboarding, portfolio analysis, stablecoin wallet integration, gamification systems, and a Flutter-ready design system.


The work required translating complex financial workflows, compliance requirements, and technical infrastructure into intuitive user experiences that could scale across mobile and web platforms. I partnered directly with executives, engineering, product, and compliance stakeholders to modernize the platform while improving usability, engagement, and operational consistency.

The Challenge

Monorail operated within a highly constrained environment where UX decisions impacted compliance, trust, scalability, onboarding conversion, and long-term product maintainability.


The platform contained multiple interconnected systems:

  • external financial account connections
  • portfolio analysis workflows
  • stablecoin wallet integrations
  • onboarding and activation flows
  • compliance-aware engagement systems
  • cross-platform design infrastructure

The challenge was not simply visual redesign. The challenge was designing operational clarity across technically complex workflows while balancing:

  • regulatory constraints
  • engineering realities
  • mobile platform limitations
  • large financial datasets
  • behavioral risk considerations
  • long-term system scalability

My Role

I led end-to-end UX strategy and product design across multiple Monorail initiatives, including:


  • workflow analysis
  • user interviews
  • systems architecture planning
  • interaction design
  • usability testing
  • design systems
  • stakeholder workshops
  • engineering collaboration
  • prototype development
  • scalable UX frameworks


I worked cross-functionally with executives, engineers, compliance stakeholders, and operational teams to align product goals, technical constraints, and user needs into scalable product solutions.

Portfolio Analysis & Decision Support

Investment Analyzer

Investment Analyzer

Led UX strategy for a scalable portfolio analysis platform enabling users to securely connect external brokerage accounts and evaluate holdings through a structured impact assessment system.


Key UX challenges included:

  • simplifying large financial datasets
  • designing progressive disclosure patterns
  • reducing cognitive overload on mobile
  • creating inspectable workflows users could trust
  • balancing conversion with compliance constraints

Solutions included:

  • scalable filtering and navigation systems
  • drill-down inspection flows
  • contextual tooltips and transparency patterns
  • sticky workflow guidance
  • reusable analyzer architecture supporting future scoring updates

The user connects their outside portfolio securely via Plaid

The user can drill down to view details on specific companies

With the user's outside holdings portfolio connected, the Monorail app can easily ask if the user would like to transfer to Monorail

Behavioral Systems & User Activation

Activation & Engagement Systems

Activation & Engagement Systems

Led the redesign of Monorail’s onboarding and activation experience using compliant behavioral design systems intended to improve clarity, reduce drop-off, and guide long-term user engagement.


Rather than using urgency-driven mechanics common in consumer fintech, the system focused on:

  • transparent progression
  • trust-building interactions
  • milestone visibility
  • service-based rewards
  • responsible financial behavior

The framework required close coordination with compliance stakeholders to ensure engagement patterns aligned with regulatory expectations while remaining scalable across future product flows.

The user has deposited $100 – $999 in their Patriot Portfolio, and is incentivized to advance to the next level

When the user scrolls down, they can see that they have unlocked the first membership level

Scrolling further, the user sees a full Transaction history, including their 5% bonus reward

SYSTEMS DESIGN & PLATFORM SCALABILITY

Flutter-Ready Design System

Flutter-Ready Design System

Defined and implemented a token-based design system supporting scalable product development across Monorail’s mobile and web experiences.


The system standardized:

  • typography
  • spacing
  • layout structures
  • reusable components
  • interaction states
  • light/dark themes
  • engineering handoff patterns

I collaborated closely with engineering teams to ensure the system aligned with Flutter implementation requirements, reducing design debt, improving development velocity, and enabling scalable feature expansion across the platform.

The user's home screen just after creating an account

Portfolios home screen. The user has not yet activated a portfolio.

Home screen after the usr has activated a portfolio and bought some stocks

RESEARCH & PROCESS

Research & Operational Alignment


Throughout the project, I facilitated:

  • stakeholder interviews
  • workflow mapping sessions
  • collaborative whiteboarding
  • usability reviews
  • cross-functional workshops
  • rapid prototyping cycles
  • systems audits
  • iterative design validation

The work required balancing:

  • user trust
  • operational efficiency
  • technical feasibility
  • compliance constraints
  • scalability requirements
  • engineering implementation realities

outcomeS

The strengthened product foundation supported Monorail’s successful acquisition in early 2026. The redesign also modernized Monorail’s UX foundation and improved operational consistency across onboarding, portfolio analysis, engagement systems, and platform infrastructure. Business outcomes included:

74%

increase in conversions

10x

increase in new accounts created

220+

additional portfolio accounts created

$329K

increase in assets under management

Let’s talk about your project

Fill in the form or call to set up a meeting at  (315) 530-5086 or email me at jlu@jlu.design