A leading European banking group needed to modernise mobile banking at group scale — one coherent UX across markets, one platform for retail and corporate customers, and a front-end architecture that keeps up with group-scale feature delivery.
The mobile banking app is now the primary interaction channel for most customers, and the expectations on it — features, performance, consistency, security — keep outpacing the legacy stacks it was originally built on.
The group's mobile estate had grown into a heterogeneous set of per-market solutions, each with its own UX, stack, and delivery constraints. That made it hard to scale features across the group, hard to keep the experience consistent, and hard to support retail and corporate on a coherent long-term platform.
The modernisation programme also had to hold the group's performance and security bar — without breaking continuity for existing customers during the transition.
Kodelab's scope sat at the front-end layer: UI design and implementation, scalable front-end architecture, UX and UI standardisation across markets, and integration with the group's back-end banking services and API layer.
Senior engineers worked as part of the programme's delivery structure — contributing to architectural decisions, the reusable component work, and the UX alignment that turns per-market apps into one group platform.
The fragmented stack is gone — the group runs a single architecture supporting markets and segments from a shared foundation. Retail and corporate users are on one platform rather than separately-evolved products.
Time-to-market for new mobile features improved materially: the shared component library means features propagate across markets instead of being re-implemented per deployment, and performance and stability improved against the measured baseline.
Banking groups compete on the speed and consistency of the mobile experience across their markets. The gap between groups that run unified platforms and groups still maintaining market-by-market stacks keeps widening as feature velocity compounds.
For the group, the modernised platform is the foundation that keeps the mobile channel investable as a strategic surface — one that absorbs new services, markets, and expectations without another ground-up rebuild.
30 minutes. No pitch deck. Scope, timeline, and an honest read on fit.
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