AI-Powered Digital Banking Platform for a German Online Bank

Business Objective

The Customer – the first Online Bank in Germany – aimed to modernize its digital banking services and implement an advanced fraud prevention system using machine learning.

 The key objectives included:

  • Enhancing security to safeguard the bank and its customers from financial threats.
  • Creating a seamless and user-friendly banking experience.
  • Implementing a machine learning-powered fraud detection system to predict and prevent fraudulent activities in real time.

Solution

A dedicated development team was assembled to build and integrate an AI-driven digital banking platform. The solution featured:

  • Seamless User Experience: Optimized interface for secure and intuitive banking interactions.
  • Enhanced Banking Services: A modernized digital banking platform designed for efficiency and convenience.
  • AI-Powered Fraud Prevention: A real-time machine learning model capable of detecting and mitigating fraudulent transactions.

Results

The digital platform successfully enhanced the Bankโ€™s services, significantly improving user engagement and operational efficiency. The integrated fraud prevention system provided real-time fraud detection, minimizing financial losses and increasing overall security. The solution contributed to a more secure, efficient, and customer-centric banking experience, reinforcing the Bankโ€™s position as an innovator in the digital banking industry.

Cooperation lasted forย 6 yearsย with a team of up toย 28 engineers.


Tools & Technologies

Project Management:

  • Agile Methodologies: Scrum, Kanban
  • Project Management Tools: Jira, Asana
  • Collaboration Tools: Slack, Microsoft Teams
  • Documentation: Confluence

Business Analysis:

  • Requirement Gathering: User Stories, Use Cases
  • Data Modeling: ER Diagrams, UML
  • Process Modeling: BPMN, Flowcharts
  • Collaboration Tools: Jira, Miro, Confluence

Backend Development:

  • Programming Languages: Ruby, Java, Python
  • Frameworks: Ruby on Rails, Spring Boot, Django
  • Databases: Oracle Database, MySQL, PostgreSQL
  • Web Services: RESTful APIs
  • Authentication and Authorization: OAuth 2.0, JWT
  • Message Brokers: RabbitMQ, Apache Kafka

Frontend Development:

  • Programming Languages: HTML5, CSS3, JavaScript (ES6+)
  • Frameworks: React, Angular, Vue.js
  • State Management: Redux, MobX
  • UI Component Libraries: Material-UI, Ant, Design
  • Build Tools: Webpack, Babel
  • Testing Frameworks: Jest, Enzyme

Mobile Development:

  • Platforms: iOS, Android
  • Cross-platform Frameworks: React Native
  • UI Frameworks: UIKit (iOS), Jetpack Compose (Android)
  • Testing Frameworks: XCTest, Espresso

DevOps:

  • Version Control: Git, Bitbucket
  • Continuous Integration and Deployment: Jenkins, GitLab CI/CD, Docker, Kubernetes
  • Configuration Management: Ansible
  • Cloud Platforms: AWS, Microsoft Azure
  • Monitoring and Logging: ELK Stack (Elasticsearch, Logstash, Kibana), Prometheus, Grafana
  • Containerization: Docker, Kubernetes

Machine Learning:

  • Data Collection and Preparation: Apache Kafka, Apache Nifi
  • Data Storage: Apache Hadoop, Apache Hive
  • Data Processing: Apache Spark, Apache Flink
  • Data Warehouse: Snowflake
  • Machine Learning Framework: Amazon SageMaker
  • Machine Learning Models: Logistic Regression, Random Forest, Gradient Boosting
  • Feature Engineering: Pandas, NumPy, scikit-learn
  • Anomaly Detection: Isolation Forest
  • Deep Learning: Neural Networks, Convolutional Neural Networks (CNN), Recurrent Neural Networks (RNN)
  • Model Evaluation: Precision, Recall, F1-Score, Receiver Operating Characteristic (ROC) Curve

Quality Assurance:

  • Testing Frameworks: Selenium, Cypress, JUnit
  • Test Automation Tools: Jenkins, GitLab CI/CD
  • API Testing: Postman, SoapUI
  • Performance Testing: JMeter, Gatling
  • Code Quality Tools: SonarQube, ESLint
  • Test Management: TestRail