Real-Time User Behavior Analytics with Event Stream Architecture
Built a real-time analytics system for an e-commerce platform using event streaming, reducing MTTR by 60% and scaling to 50,000+ events per second.

Technologies
Challenges
Solutions
Key Results
60% reduction in Mean Time to Resolution
mttr reduction
Scaled to 50,000+ events per second
scalability achievement
Enabled faster business decisions
business insights
Supported behavior-driven campaign optimization
campaign optimization
Real-Time User Behavior Analytics with Event Stream Architecture
At AMJ Cloud Technologies, we partnered with a leading e-commerce platform to develop a real-time analytics system for high-volume user interaction data. This case study showcases our event stream-based architecture that enabled real-time insights, anomaly detection, and enhanced customer experiences on AWS.
Situation
The e-commerce platform needed to capture and analyze user behavior (e.g., clicks, purchases) in real time to drive business decisions, detect anomalies, and improve customer engagement. Their existing infrastructure struggled to handle high-frequency clickstream data, lacked real-time processing capabilities, and couldn’t scale during peak traffic. AMJ Cloud Technologies aimed to build a scalable, resilient analytics system to transform how the client leveraged user data.
Task
Our team was tasked with designing an event stream-based architecture to meet the following objectives:
- Continuously ingest clickstream data from web and mobile platforms.
- Support real-time metrics calculation and anomaly detection.
- Store processed data reliably for historical analysis.
- Ensure scalability, loose coupling, and resilience.
- Enable rapid response to business-critical anomalies.
The project was executed by a team of cloud architects, data engineers, and DevOps specialists over a three-month timeline.
Action
To achieve these objectives, we implemented an event-driven architecture using Amazon Kinesis and other AWS services, focusing on real-time processing, scalability, and resilience:
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Real-Time Data Ingestion with Amazon Kinesis:
- Configured Amazon Kinesis Data Streams to ingest high-frequency click events from web and mobile platforms.
- Ensured immediate event capture for real-time data flow, supporting high throughput.
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Stream Processing & Analytics:
- Used Amazon Kinesis Data Analytics to process streaming data and calculate real-time metrics, including:
- Conversion rates over 5-minute intervals.
- Drop-off rates by funnel stage.
- Session duration trends.
- Exposed metrics via an Amazon API Gateway endpoint, enabling integration with downstream dashboards and visualization tools.
- Used Amazon Kinesis Data Analytics to process streaming data and calculate real-time metrics, including:
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Scalable Storage Pipeline with Kinesis Data Firehose:
- Delivered aggregated results and raw events to Amazon S3 via Amazon Kinesis Data Firehose.
- Ensured long-term retention, compliance with audit requirements, and support for batch and historical analytics.
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Anomaly Detection and Alerting:
- Deployed a custom AWS Lambda function to consume the event stream in parallel and monitor for anomalies, such as:
- Unexpected spikes in bounce rate.
- Conversion rate dips beyond thresholds.
- Triggered real-time alerts via Amazon SNS to notify stakeholders for immediate investigation.
- Deployed a custom AWS Lambda function to consume the event stream in parallel and monitor for anomalies, such as:
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Decoupled and Scalable Architecture:
- Designed an event-driven system where ingestion, processing, storage, and alerting components scaled independently.
- Implemented key considerations:
- Error Handling: Used Lambda retry logic and dead-letter queues for resilience.
- De-duplication: Applied idempotent processing to handle duplicate events.
- Caching: Utilized in-memory caching to reduce latency for frequently accessed metrics.
The team conducted load testing, simulated anomaly scenarios, and optimized stream configurations to ensure performance and reliability.
Result
The event stream architecture delivered significant outcomes:
- 60% Reduction in Mean Time to Resolution (MTTR): Real-time anomaly detection and alerting accelerated issue resolution.
- Scaled to 50,000+ Events per Second: Handled peak sale periods seamlessly.
- Enabled Faster Business Decisions: Provided real-time insights for strategic actions.
- Supported Behavior-Driven Campaign Optimization: Improved marketing efforts with actionable metrics.
- Enhanced Customer Experience: Delivered personalized interactions based on real-time data.
This architecture has become a reference model for AMJ Cloud Technologies’ real-time analytics projects, reinforcing our expertise in event-driven solutions.
Technologies Used
- Amazon Kinesis Data Streams: Ingested high-frequency clickstream data.
- Amazon Kinesis Data Analytics: Processed streaming data for real-time metrics.
- Amazon Kinesis Data Firehose: Delivered data to S3 for storage.
- Amazon S3: Stored raw and aggregated events.
- Amazon API Gateway: Exposed metrics via APIs.
- AWS Lambda: Handled anomaly detection.
- Amazon SNS: Triggered real-time alerts.
Key Use Cases
This architecture is suitable for:
- E-commerce and media platforms requiring user interaction analytics.
- Financial platforms needing real-time fraud detection.
- IoT systems requiring event monitoring and alerting.
Ready to unlock real-time insights? Contact us to explore how AMJ Cloud Technologies can transform your analytics.
Key Takeaways
This case study demonstrates the power of event stream architecture in delivering real-time, scalable, and resilient analytics. By leveraging AWS services like Kinesis, Lambda, and SNS, we enabled the client to enhance customer experiences and optimize operations. AMJ Cloud Technologies is committed to building innovative cloud solutions for data-driven businesses.
Architectural Diagram
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