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Development of Scalable Realtime Event Processing System and Unified Mobile API Interface

scalac.io

Telecommunications

Financial services

The Challenge

Need for handling thousands of messages per second with low latency processing while maintaining zero downtime, combined with requirements for a unified, reliable interface for payment products during rapid organizational growth

About the Client

Technology company specializing in payment products and real-time event processing systems requiring high scalability and reliability

Project Objectives

Develop a horizontally scalable real-time event manager using reactive programming principles
Create a unified, fault-tolerant API adapter for mobile payment products
Ensure seamless integration with existing Qvantel systems and development teams
Implement robust AI engine with zero downtime guarantees

Key Features Delivered

High-throughput event stream processing with sub-millisecond latency
Dynamic scaling capabilities for fluctuating workloads
Unified RESTful API interface for payment product integration
Real-time monitoring and alerting system
Automated failover and recovery mechanisms

Technology Stack

Scala programming language

Akka Streams framework

Akka Cluster for distributed computing

Functional programming paradigms

Integrations

Existing Qvantel payment infrastructure
Third-party financial service APIs
Monitoring and observability tools

Non-Functional Requirements

99.99% system availability
Linear scalability up to 10,000+ events per second
End-to-end encryption for payment transactions
Comprehensive documentation and onboarding materials
Low-latency response times (<50ms P99)

Project Impact

Enables 2x faster deployment of new instances with reduced memory footprint, achieves 40% lower operational costs through efficient resource utilization, and supports 300% higher transaction throughput compared to legacy systems while maintaining financial-grade reliability standards