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Innowise is an international full-cycle software development company founded in 2007. We are a team of 1600+ IT professionals developing software for other professionals worldwide.
About us
Innowise is an international full-cycle software development company founded in 2007. We are a team of 1400+ IT professionals developing software for other professionals worldwide.

E-Payment ecosystem with mobile banking

Platform with a smart mobile banking app (iOS and Android) allowing for instant e-payments, private money transfers, and personal finance management.


Information Technology
Client since

Our client is a large IT company with about 24,000 employees on board. The customer provides software development and IT consulting services for businesses and organizations from 90+ countries.

Detailed information about the client cannot be disclosed under the provisions of the NDA.


Our client was selected as a general contractor to run a government project to digitize the payment and banking systems of a small country. The major project objective was to create a reliable, secure, transparent, and easy-to-use software infrastructure for instant electronic payments within the country. Thus, the end customer, a government financial regulator, intended to reduce the amount of hard cash used, increase the country’s investment attractiveness, lay the foundation for developing financial institutions, and provide a better customer experience for citizens of the country and tourists.

To accomplish a large-scale task, it was planned to create a centralized application ecosystem consisting of several integrated modules that would:
  • provide infrastructure for e-payment system;
  • provide access to financial services across the country;
  • ensure high performance and cost-effectiveness of the e-payment system;
  • ensure robust system security and efficient fraud protection;
  • establish interoperability with the government’s networks.


Innowise participated in the development of e-payment application infrastructure, PSD2-compliant API (open banking platform) and digital bank module.

Also, our team developed from scratch iOS and Android applications for instant payments (P2P, C2B, B2B) and banking account management.

As a result, we delivered the mobile banking platform that allows individual and business users to carry out various financial operations online and is an integral part of the entire application ecosystem.

Electronic payment ecosystem

The developed e-payment infrastructure is a complex, unified system that provides the operational part of instant electronic payments and is integrated with the networks of the national financial regulator. The system consists of several modules, including infrastructure core, digital banking, mobile platform, fraud protection, etc.

Consistency with international standards

To enable all financial services to integrate into the e-payment system quickly and easily, we have designed an infrastructure that supports international financial data exchange standards such as ISO 20022 and SWIFT MT.

PSD2-compliant open banking platform

Also, together with the client's team, Innowise’s team has developed a universal solution that allows the ecosystem to work with external systems (banks, financial institutions, payment providers, etc.), provides fast and smooth integration with them, and ensures easy data retrieval.

Digital banking

As for the digital banking module, it was designed so that users of the mobile platform could create their e-wallets, replenish them from bank cards/accounts, and make real-time payments. Thus, digital banking was built into the e-payment ecosystem as another “bank”, processing e-payments but serving only electronic wallets.

Branding and customization options

The solution has a multi-tenant microservices architecture, so it can be used and customized by every bank or financial institution. To ensure high performance, the system reiterates system components, interfaces, services, etc.

Branding and customization options

The solution has a multi-tenant microservices architecture, so it can be used and customized by every bank or financial institution. To ensure high performance, the system reiterates system components, interfaces, services, etc.

Mobile application

Since it was vital for both the customer and us to ensure a rich user experience, we designed the mobile solution with a variety of must-have features and functional capabilities.

To start using the application, users must link their bank cards, specifying the bank name, account number/card credentials, and going through the user verification procedure. Users can link an unlimited number of cards from different banks, both regional and foreign.

Having passed the identification process, users can replenish their electronic wallets and make instant electronic payments and money transfers. Users can set up automatic e-wallet replenishment on specific dates. Also, Innowise’s team has integrated a Smart Addressing System that allows app users to perform financial operations quickly and safely.

Our development team has enriched the application with wide payment settings. For example, a Smart Bill Payment system allows users to set automatic e-payments (rent, insurance, sports, tax bills, etc.) for selected dates, set up notifications on upcoming payments, monitor statistics, receive reports on bill value changes, etc. Also, individual and business users can transfer money within the application (account to account) using the recipient’s account number, phone, or email.

To make the app user experience more engaging, we enriched it with personal budgeting functionality. Thus, app users can check comprehensive statistics on incomes and outcomes in visualized form (graphs, charts, and diagrams). Moreover, they can set personal goals on spending optimization and set notifications not to exceed the pre-established expenses limit.

Furthermore, the app supports QR code payments, stores the history of payments, provides inter-account capabilities (e.g., splitting a restaurant bill) and a notification system.

Technologies & tools

Java 11 (LTS), Spring Boot, Spring MVC, Reactor, Web Flux, Kafka, Redis
Android Studio 4.1.0+, Kotlin, MVVM CleanArchitecture, ViewModel, LiveData, Dagger 2, Cicerone, Coroutines, Multi-Modules
XCode 12.3+, Swift, MVVM, VIPER, GCD, Snapkit, Codable, Alamofire
Code quality
detekt, SwiftLint
Jenkins, Fastlane
unified multi-tenant Kubernetes environment
PostgreSQL, MySQL
JUnit, Mockk, Roboletric, Espresso, XCTest, XCUITest, JMeter, ApacheBench, Gatling


Since the end client was a government financial regulator, the customer and Innowise agreed to opt for the Waterfall software development model, which turned out to be the most suitable one. Nevertheless, our team used the elements of the Agile methodology in the internal workflow. All communication with the client was carried out using Microsoft products, namely Microsoft Teams.

Having elicited all the customer’s requirements and specifications, Innowise’s experts offered the established technology stack that could allow us to develop multifunctional, reliable, user-friendly, and secure mobile apps on iOS and Android platforms.

As the issue of personal data security and fraud protection was defined as one of the major concerns, our team implemented a multi-factor authentication system and integrated a security system using data encryption, TLS 1.2, SSL Pinning, and tools for instant checking for rooted devices.

2 +

years-long project


IT specialists

10000 +



Java Developers
Android Developers
iOS Developers
Business Analyst
Project Manager
Automation QA Engineer
Manual QA Engineer
Solution Architect
UI/UX Designer


Innowise successfully delivered an e-payment application ecosystem complemented by several modules and iOS & Android apps. Both our customer and national financial regulator rated the developed solution highly. They were particularly satisfied with the high level of information security, the development quality & speed, and work communication.

The resulting mobile platform was integrated with the electronic payment application ecosystem and rolled out without breaking the deadline. End-users highly praised the application due to its intuitive UI, shallow learning curve, rich functionality, and high performance.

Innowise was elated to participate in this project, as it, like no other, corresponds to our philosophy and mission – “We Develop the World”. We believe our professional contribution helped start the digital journey in the FinTech & banking sphere for the whole nation.

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