Wedge
Fintech Platform Automated Savings & Investment
We partnered with Wedge to build a cross-platform fintech solution enabling automated savings, secure bank integrations, and streamlined KYC/AML workflows — delivered on React Native with a scalable AWS microservices backend.
01
Overview
Wedge is a cross-platform fintech platform built for the New Zealand market, focused on helping users automate savings and investment activities through secure banking integrations and streamlined onboarding.
Techwondoe delivered a modern fintech solution designed to provide users with transparent and automated wealth-building experiences. The platform included customer onboarding, secure bank connectivity, transaction workflows, customer account management, and a CMS-powered administrative environment.
The solution was architected as a scalable cloud-native platform capable of supporting evolving financial products and third-party financial integrations while maintaining strong compliance and observability standards.
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The challenge
The Wedge platform required a secure and compliant fintech architecture capable of supporting financial onboarding, bank integrations, and transaction workflows while delivering a smooth consumer-grade mobile experience. The solution also needed to support operational scalability and evolving financial product offerings.
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Approach
Techwondoe implemented a scalable React Native application backed by a microservices-driven AWS architecture. The engineering approach focused on modularity, observability, and compliance readiness.
The team integrated secure third-party financial providers, implemented CI/CD automation, and established a comprehensive QA pipeline to ensure release reliability across multiple mobile devices and environments.
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Tech stack
We built on React Native for cross-platform mobile, NestJS with TypeScript Lambda functions for the backend microservices, and AWS with Terraform for infrastructure — integrated with Akahu for banking, CloudCheck for KYC, and Sanity for content management.
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Frontend
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Backend
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Integration
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Deployment & CI/CD
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Analytics & Monitoring
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Outcome
01
Scalable cross-platform fintech solution
Delivered a production-ready cross-platform mobile application with a scalable cloud backend, enabling Wedge to serve the New Zealand market with automated savings and investment experiences.
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Secure onboarding and bank-linking workflows
Implemented end-to-end KYC/AML onboarding and Akahu bank integration, enabling users to securely link accounts and automate financial transactions with full compliance.
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Reduced operational overhead
Admin tooling and CMS integration reduced manual operational burden, allowing the Wedge team to manage content, users, and products without engineering involvement.
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Cloud-native backend ready for expansion
Established a microservices architecture on AWS with Terraform-managed infrastructure, designed to support future product expansion and evolving financial service offerings.
05
Improved release confidence
Automated testing with Jest, Playwright, and BrowserStack cross-device testing, combined with CI/CD pipelines via GitHub Actions and Fastlane, ensured reliable releases across iOS and Android.