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Our client, a US-based FinTech startup, aimed to create a QR code payment app that makes shopping easier and payments smoother. Their vision was to provide a fast, secure, and user-friendly payment solution that integrates with banking systems and digital wallets.
Detailed information about the client cannot be disclosed under the provisions of the NDA.
The client required a robust and scalable mobile QR payment app that could:
We built a QR code payment app designed around the client’s vision. The APIs enable real-time transactions and seamless bank connections, which allow users to pay quickly and securely at merchants.
We’ve built the app on robust technology, smart automation, and rock-solid security. From instant QR payments and biometric authentication to blockchain-backed security, here’s what drives the app under the hood:
The core functionality of the mobile app revolves around enabling quick and secure QR code-based transactions and offering multiple payment options.
We designed an intuitive interface to enable effortless transactions for users and equip them with comprehensive tools for managing payments and tracking analytics.
QR code payment app prioritizes security and compliance by incorporating advanced authentication mechanisms, blockchain-based security, and adherence to financial regulations.
The backend architecture was designed to be modular, scalable, and optimized for high performance under heavy transaction loads.
Automation and performance optimizations were incorporated to speed up operations and provide a frictionless user experience.
Go (Gin, Gorm, gRPC, gcp-log), Ruby (legacy code only, Sinatra), PostgreSQL, Redis (key/value storage, pub-sub, streams), Hyperledger Aries
TypeScript, SWR, SASS & MUI, Final-Form, Next.js 13
Java
Google Cloud Platform (IAM, CloudRun, VM), Docker
TypeScript, SWR, SASS & MUI, Final-Form, Next.js 13
Jira, Notion, GitHub, Gmail, Google Chats/Spaces
Innowise developed a fast, contactless QR code payment mobile app, enabling transactions between customers and merchants. Within the first three months after launch, over 500 merchants onboarded, quickly adopting the system due to its easy QR code generation and hassle-free banking integration.
The integration with multiple bank APIs allowed flexible fund settlements, instant transactions, and seamless switching between banking partners.
The app’s availability on both App Store and Google Play, along with full support for Apple Wallet and Google Wallet, contributed to high adoption rates among users. Within the first six months, the app was downloaded over 50,000 times, earning a 4+ rating across both platforms.
merchants joined in the first six months
downloads post-launch
Once we’ve received and processed your request, we’ll get back to you to detail your project needs and sign an NDA to ensure confidentiality.
After examining your wants, needs, and expectations, our team will devise a project proposal with the scope of work, team size, time, and cost estimates.
We’ll arrange a meeting with you to discuss the offer and nail down the details.
Finally, we’ll sign a contract and start working on your project right away.
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