case study / 

Cutting-Edge Digital Wallet & Payment Platform

About Client

Our client is a leading financial technology company with a strong presence in the South American Market. They approached our software outsourcing company with a vision to develop a feature-rich Digital Wallet & Payment Platform that would revolutionize the way consumers and merchants interact with money and transactions. They sought to provide users with a seamless and secure platform to manage their digital wallets and make payments effortlessly while empowering merchants with enhanced marketing capabilities and stronger consumer relationships.


  • Required a comprehensive Digital Wallet and payment platform that could operate flawlessly on both iOS and Android devices
  • The platform needed to incorporate a plethora of features to enhance user satisfaction, including instant P2P money transfers, in-store payments, merchant transactions, personalized balance management, and exclusive marketplace offers.

Our Approach

UI/UX Design

  • Create an intuitive and user-friendly interface for both iOS and Android using Flutter, a cross-platform framework.
  • Leverage the Lottie library for interactive animations to enhance the user experience.
  • Implement JoyID KYC service for a secure and seamless user identity verification process.

Architecture Design

  • Utilize the MVVM (Model-View-ViewModel) architecture to separate concerns and ensure maintainability.
  • Implement a microservices architecture for scalability and modularity.
  • Implement the Bloc pattern for managing state and business logic, ensuring a clear separation of UI and data handling.
  • Use RxDart to handle reactive programming, providing seamless data flow and synchronization.

Development & Testing

  • Develop the platform using Flutter and Dart, ensuring code consistency across iOS and Android.
  • Implement RestAPIs for seamless communication between the app/web and the backend server.
  • Integrate Twilio SDK for SMS services, enabling secure and reliable two-factor authentication.
  • Utilize Firebase Notification for real-time alerts and updates.
  • Integrate Firebase Analytics to gather valuable insights into user behavior and app performance.

Technologies Used

tps project stat (6)

Client's Testimonials

client testimonial (10)

Why Choose US ?

TPS Software – The Leading Software Development Company in Viet Nam

We specialize in providing  software solutions to businesses of all sizes. Our team of experienced developers is dedicated to delivering high-quality, scalable, and cost-effective software products that meet the unique needs of our clients. We work closely with our clients to ensure that we understand their specific needs and goals, and we are committed to delivering results that exceed their expectations.

Industry Experience
Extensive knowledge in working with clients from several business verticals, various technologies challenge and projects with different types and sizes

Certified Software Development Expertise
Accredited CMMi Level 3 for Mature Quality Management System and ISO 27001 for certified information security management system

Comprehensive Software Project Management
Client’s projects are managed by a dedicated product consulting team with excellent technical experience, master in Agile, Scum methodologies and well-versed in all the latest technology stacks.

Proven Track Record
We have successfully delivered over 180+ projects to clients worldwide and 90% of them became long-term partners.