
Sumitomo Mitsui Banking Corporation

A Japanese multinational banking and financial services institution recognized the need to modernize its 20+ year-old legacy digital experience into a best-in-class cash and treasury management platform.
Overview
Sumitomo Mitsui Banking Corporation (SMBC), a Japanese multinational financial institution, sought to modernize its 20+ year-old legacy cash and treasury management platform.
The goal was to improve operational efficiency, attract new clients, and enhance the overall digital experience for its corporate banking customers. Our solution delivered a best-in-class platform grounded in research-driven design and market best practices.
Objectives
- Streamline domestic and international transaction processes
- Improve client engagement and user satisfaction
- Increase transaction volume and deposit balances
- Enhance security and fraud prevention
- Support global business operations across Americas and EMEA
Challenge
- Unintuitive Navigation – Users struggled with an inefficient, outdated interface.
- Inefficient Processes – Data was scattered, requiring extensive manual effort.
- Limited Digital Capabilities – Tools were unreliable, frustrating users.
- Lack of Personalization – The system provided identical experiences for all users, failing to meet specific needs.
- Security Concerns – Fraud prevention was a growing priority for customers.
My Role
As the Experience Team Lead, I spearheaded the research, strategy, and iterative design process, ensuring alignment with business objectives and user needs. My leadership focused on:
Daily Iteration & Refinement
Continuous improvement based on user insights and testing.
Cross-functional Collaboration
Partnering with SMEs, technology teams, and stakeholders to balance feasibility and innovation.
Managing Scope Creep
Prioritizing features to maximize impact while maintaining project timelines.
Stakeholder Engagement
Leading regular feedback sessions to ensure alignment on vision and execution.
Competitor Benchmarking
Analyzed 15 competitors and 130 key capabilities.
User Research
Conducted ethnographic studies with SMBC bankers, financial advisors, competitor customers, and SMEs.
Pain Point Identification
The team mapped 120+ usability challenges to inform design solutions.
Workshops & Prototyping
We conducted 5 BRD workshops and developed 5 iterative prototypes for testing and refinement.
Impact





4.5-Star Rating
The redesigned platform delivered a 4.5-star rating in user testing, exceeding expectations in usability, efficiency, and security.
Market Differentiation
Rated more user-friendly than HSBC and Barclays by stakeholders.
Increased Efficiency
Streamlined workflows reduced manual effort and improved task completion time.
Enhanced Security
Fraud prevention features minimized transaction errors and security risks.
User-Centered Innovation
Customization options empowered different user roles with tailored experiences.