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    Case Study

    Real-Time Event Loop Platform

    Architected a low-latency, real-time message broadcasting and event coordination platform on AWS with serverless WebSocket routing and Redis state cache.

    4 months
    Timeline
    6
    Technologies
    3
    Key Results
    Multi-AZ
    Resilience
    Real-Time Event Loop Platform
    The Problem

    Context & Pain Points

    Handling millions of concurrent live event subscribers required sub-10ms connection routing, highly scalable serverless runtimes, and real-time session tracking without heavy state servers.

    The Challenge

    What We Had To Solve

    • Handling dynamic connection bursts during live event triggers without hitting cold-start bottlenecks.
    • Synchronizing connected client state matrices across regional database regions.
    • Minimizing data propagation delays between publishing sources and subscribing applications.
    The Solution

    How We Built It

    • Configured serverless WebSocket connection states inside low-latency Amazon DynamoDB indexes.
    • Used Amazon ElastiCache Redis as a high-speed pub/sub broker to orchestrate connection tracking and active sessions.
    • Engineered lightweight, concurrency-optimized AWS Lambda triggers to scale execution instances instantly during spike windows.
    Key Results

    Outcomes That Mattered

    Massive Session Scaling

    Successfully sustained over 500,000 active, simultaneous WebSocket connections under live conditions.

    Ultra-Low Latency

    Achieved sub-15ms message distribution rates from ingestion to end-user displays.

    Zero Infrastructure Idle Costs

    Pure serverless billing components cut idle environment costs to zero.

    Outcome

    Delivered a fully serverless WebSocket architecture using Amazon API Gateway, AWS Lambda, DynamoDB, and Redis that effortlessly scaled past 500k concurrent client sessions.