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FINTECHREACT NATIVEAWS
Cross-platform banking app
Client
Confidential — challenger bank
Industry
Fintech
One codebase across iOS, Android, and web. 60% faster releases.
/ The Brief
The problem.
Three siloed teams shipping a banking experience on iOS, Android, and web — drifting features, duplicate bugs, and a release cadence measured in months.
Goals
- Unify product surfaces under a single engineering team.
- Cut time-to-release without sacrificing platform-native feel.
- Meet banking-grade security, accessibility, and audit requirements.
/ Our Approach
What we built.
We rebuilt the client and server on a shared React Native + web codebase, with a modular design system and a federated services layer on AWS. Native modules were used only where the platform genuinely required them.
- 01Shared design system and component library across iOS, Android, and web.
- 02Type-safe RPC layer between mobile/web clients and backend services.
- 03Continuous delivery pipeline with phased rollout and instant rollback.
- 04End-to-end encryption, biometric auth, and SOC 2-aligned controls.
Stack
React NativeTypeScriptNodeAWSTerraformGitHub Actions
/ The Result
Outcomes that shipped.
Three release trains collapsed into one. Engineering moved from quarterly platform releases to weekly cross-platform drops, with defect rates dropping in parallel.
−60%
release cycle time
3 → 1
codebases
+38%
feature throughput
“Xplat took three drifting platforms and made them one product. Releases that used to take a quarter now go out every week.”
/ Start your project
Have something serious to ship?
Tell us what you're building. We'll get back within one business day with a clear next step.