Core Stack & Architecture
Strong hands-on experience with AWS
Serverless stack:
AWS Lambda (react.Js/Python)
DynamoDB (single-table design, GSIs, Streams)
EventBridge (event-driven architectures)
Step Functions (workflow orchestration)
API Gateway & AppSync (GraphQL)
Programming Languages
Proficient in react JS and Python
Able to write clean, modular, testable serverless functions
Experience writing integration and unit tests (Jest, Pylest, etc.)
Messaging & Streaming
Solid understanding of Apache Kafka
Event publishing/subscription patterns
Partitioning, retention, offset management
Integration with on-prem or cloud
connectors
Infrastructure & Monitoring
Experience deploying using CDK, Serverless
Framework, or Terraform
Strong knowledge of CloudWatch, X-Ray, log insights, and custom metrics
Proficient in creating alerts, dashboards, and structured logging