AWS CDK & Step Functions for Choco
Scalable serverless notification infrastructure using AWS CDK and Step Functions. 50% latency reduction, multi-channel Twilio/WhatsApp integration.
Choco — AWS CDK & Step Functions Notification Engine Architecture
Context
High-throughput backend service for complex communication workflows across multiple messaging channels using serverless AWS components and state-machine-driven logic for mission-critical reliability.
Engineering Challenges
Complex Workflow Management
AWS Step Functions replaced manual processes with maintainable state machines for complex business logic.
Latency Optimization
Optimized serverless components achieving 50% notification latency reduction.
Advanced IaC Scaling
AWS CDK for modular, environment-aware infrastructure across dev/staging/live.
SLA Compliance
Custom CloudWatch Alarms and metrics for real-time performance monitoring.
Architectural Solutions
State Machine Orchestration
AWS Step Functions for multi-step notification workflows.
Infrastructure as Code
Fully automated provisioning using AWS CDK.
Multi-Channel Integration
API Gateway, Lambda, Twilio, and WhatsApp.
Monitoring
CloudWatch metrics and alarms for real-time health tracking.
Measurable Impact
50% Latency Reduction
Performance tuning boosted SLA compliance and delivery speed.
Enhanced Reliability
State machine ensured robust transmission through microservices and APIs.
Codebase Quality
Linters, compilers, and Husky pre-commit hooks for high standards.
Accelerated Deployment
GitHub Actions CI/CD for rapid, reliable releases.
