OO
Otobong OkokoDesign Engineer

Portfolio

Selected Work

Enterprise-grade design work spanning customer experience, fintech, and organizational transformation.

AllCustomer ExperienceFintech & BankingEnterprise Design

Hero-quality screenshot of the contextual self-help card interface showing a return status card with product image, carrier tracking stage, and resolution options, displayed in a desktop browser mockup with a mobile companion view.

Customer ExperienceZalando SE

45% fewer repeat contacts for 50M+ customers

Contextual Self Help platform | Zalando SE | Otobong Okoko, Senior Product Designer

45% reduction€3.2M saved

Mobile device mockup showing the guided chatbot interface with a parcel selection carousel and button-driven conversation flow. The screen shows product images in a horizontal scroll, with action buttons below for 'Where is my delivery?', 'Return this item', and 'Check my refund'. Clean conversational UI with a typing indicator visible.

Customer ExperienceZalando SE

Doubled chatbot automation from 23% to 48%, saving €4.11M annually

Guided conversational chatbot | Zalando | Senior Product Designer

48% Automation Rate€4.11M saved

Mobile device mockup showing the Specta loan application flow: loan amount selector with a slider, real-time interest calculation, and a clear fee breakdown visible beneath. The screen communicates transparency through visible terms, not hidden fine print. Clean fintech aesthetic.

Fintech & BankingSterling Bank

$263M disbursed with zero defaults through trust-first design

Nigeria's first digital lending platform | Sterling Bank | Product Designer & Design Engineer

$263M disbursed0% defaults

Desktop and mobile mockup showing the HCM Connect dashboard: employee profile view on desktop with organizational chart module visible, and the mobile leave management interface on a phone mockup. Both showing the unified design system with consistent navigation and data patterns.

Enterprise DesignUnited Bank for Africa

$960K saved by replacing 7 fragmented HR systems across 20 African countries

Enterprise HR platform | UBA | Design Lead

$960K saved85% adoption