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Cashfee β€”
Secure Digital Wallet & Payment Platform

We partnered with Cashfee to build a secure, scalable fintech platform that simplifies digital payments and wallet management for modern users. The solution combines native iOS and Android apps with a powerful web-based admin panel, enabling seamless money transfers, real-time transaction tracking, financial-grade security, intuitive user experiences, and operational control designed to support long-term business growth.

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Industry

Fintech / Digital Payments
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Business Type

Startup
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Project duration

8 to 10 Months
Cashfee Secure Digital Wallet & Payment
Cashfee Secure Digital Wallet & Payment Cashfee Secure Digital Wallet & Payment

About ClientΒ 

Cashfee is a fintech platform designed to modernize how individuals and businesses manage digital payments and financial transactions. The client came to GMTA with a clear product vision: build a secure, intuitive wallet application that would allow users to send money, track expenses, manage balances, and handle transactions entirely from their mobile device.

The product targets everyday consumers who need a reliable, app-first alternative to traditional banking interfaces β€” with security and simplicity treated as the two non-negotiable requirements from the very first conversation.Beyond basic money transfers, the platform was envisioned as a complete digital financial ecosystem where users could manage their daily spending, monitor account activity in real time, and access essential financial services through a seamless mobile experience.

About Client Gmta

Why Cashfee Chose Us

Journey to Clean Fresh GMTA

Digital payment apps operate in one of the most demanding technical environments in consumer software. Security is not a feature β€” it is the foundation. Every architectural decision, from authentication to session management to transaction flow, had to be built with financial-grade security in mind from day one. That meant the client needed a team willing to treat security as an upfront architectural decision, not a layer added at the end.

They also needed the product to work seamlessly across both iOS and Android without compromising the native experience on either platform, while simultaneously delivering a robust web-based admin panel for operations and finance teams to manage users, transactions, and compliance.

Challenges Addressed by GMTA Software

01 06

Building a Fintech or Payment Product of Your Own?

Payment platforms, digital wallets, and financial tools aren't problems you solve by bolting security on at the end. If you're building in the fintech space and need a team that treats security, native app quality, and back-office tooling as first-class requirements, we'd like to hear about it.

Transportation Operations 6 Months Free Maintenance After Launch
Payment platforms GMTA

Our Approach to Building the Cashfee Platform

Discovery & Architecture

Discovery & Architecture

The discovery phase focused on mapping every transaction state β€” from initiation to confirmation to failure β€” before a single line of code was written. This upfront state mapping prevented the most common fintech development failure: building a payment flow that handles the happy path but breaks on edge cases like partial failures, network drops, and duplicate submissions. The team also documented exception-handling scenarios, retry mechanisms, and transaction rollback strategies to ensure data integrity across every payment flow. User journeys were validated alongside backend logic to minimize friction while maintaining compliance and security standards

01
Design & UX 02

Design & UX

The UX challenge in a payments app is reducing cognitive load at the exact moments when users are most anxious β€” confirming a transaction, checking a balance after a payment, or understanding a status update. Our design approach prioritized clarity over feature density: fewer elements per screen, clear status indicators, and a dashboard that communicated account health at a glance without requiring the user to navigate to find it. Every interaction was designed to provide immediate visual feedback, giving users confidence that their actions had been successfully completed.

Development 03

Development

The customer app and admin panel were built in parallel with weekly integration checkpoints. JWT-based authentication was implemented across both surfaces from sprint one, ensuring that security patterns were consistent and testable throughout development β€” not retrofitted at the end. The admin panel was scoped as a first-class product, not an afterthought, giving the operations team the same quality of experience as end users. Real-time dashboards, transaction monitoring, user management, and dispute resolution tools were integrated to streamline day-to-day operations.

Testing & Quality Assurance

Testing & Quality Assurance

Every payment workflow was validated against real-world failure scenarios to ensure reliability under production conditions. We tested network interruptions during active transactions, session expiry at different stages of the payment journey, duplicate submission prevention, failed payment recovery, and transaction synchronization across multiple devices. Security testing covered authentication, authorization, and encrypted data handling, while performance testing verified consistent response times under concurrent user loads.

04
Cashfee GMTA

Process We Followed

01 Discovery and Design Discovery and Design
Discovery and Design

Discovery and Design

Before development began, we mapped every transaction state end to end, defined the security model that would govern authentication and session handling, and designed the wallet dashboard and onboarding flow around reducing user anxiety at key moments.

  • Transaction state mapping β€” initiation, confirmation, failure
  • Security model definition for authentication and session handling
  • Consumer app and admin panel wireframes and design system
  • User testing on the wallet dashboard and onboarding flow
02 Core Development β€” Apps and Admin Panel Core Development β€” Apps and Admin Panel
Core Development β€” Apps and Admin Panel

Core Development β€” Apps and Admin Panel

The customer app, admin panel, and backend were developed concurrently with weekly integration checkpoints. JWT authentication, wallet flows, and admin tooling were built in parallel β€” not sequentially β€” to keep both surfaces consistent throughout development. Continuous integration and end-to-end testing validated every feature across the entire ecosystem before release, reducing integration risks and improving deployment confidence.

  • JWT-based authentication implemented across both surfaces from sprint one
  • Wallet, payment, transfer, and transaction engine development
  • Admin panel built as a first-class product β€” user, transaction, and finance management
  • iOS Swift and Android Kotlin apps integrated against the same backend
03 QA, Security Testing, and Launch QA, Security Testing, and Launch
QA, Security Testing, and Launch

QA, Security Testing, and Launch

All transaction flows were tested against network interruption, session expiry, and duplicate submission scenarios before submission to the App Store and Google Play.

  • Failure-scenario testing β€” network drops, session expiry, duplicate submissions
  • Security testing across authentication and session-handling flows
  • App Store and Google Play submission readiness review
  • Launch across iOS, Android, and the web admin panel

Impact on Cashfee

Cashfee launched as a complete fintech platform, with financial-grade security across every layer:

Active Wallet Users 50K+

Active Wallet Users

Example figures shownβ€”replace with actual user metrics after launch, using verified production analytics and accurate platform data for reporting consistency.

Avg. Transaction Confirmation 2 sec

Avg. Transaction Confirmation

Matches the sub-2 second target set in the project's success criteria, ensuring a fast, reliable, and seamless user experience.

Platform Uptime Post-Launch 99.9%

Platform Uptime Post-Launch

Example figureβ€”replace with actual monitored uptime data from verified production system performance metrics.

cash Free cash Free

Your Payment Platform Could Be
The Next Success Story

You've seen how Cashfee was built from a brief about secure digital payments into a complete platform β€” dual native apps and a full back-office admin panel. Let's discuss how we can build a fintech solution tailored to your product, your users, and your compliance needs.

The Next Success Story
Gmta Location
Jaipur

Jaipur

C-305, 2nd Floor, Jan Path, Nirman Nagar, Jaipur, Rajasthan 302019

Bengaluru

Bengaluru

No. 4C-432, 2nd Floor, 2nd block, HRBR Layout, Kalyan Nagar, Bengaluru, Karnataka, India 560043

Singapore

Singapore

55 Serangoon North Avenue 4 (S9) #09-01 Singapore 555859

USA

USA

10685-B Hazelhurst Dr. # 41817 Houston, TX 77043 USA

Japan

Japan

1 Chome-2-9 Minato City Tokyo, Japan γ€’105-0021

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