• Led the implementation of device monitoring systems and API support modules, utilizing Python FastAPI, Postgres, Redis, React, and AWS infrastructure for real-time insights.
• Executed migration from monolithic architecture to microservices for Authentication, Web/Mobile UIs, and Device and Customer Notification services, including asynchronous programming.
• Served as the pivotal founding contributor for Andium's device service distribution and scaling initiatives.
• Restful App Layer Service:
• Handled requests for specific CRUD operations.
• Implemented role-based authentication and permission, intra-service communication.
• Conducted SQL/Postgres/Redis/GraphQL transactions and designed database schemas.
• Ensured continuous code review and improvement through Agile development.
• Implemented event-driven state-based monitoring and alerting system with AWS SQS and Boto3, along with FastAPI-based microservice.
• Designed and implemented JWT token and API key-based authentication service.
Core Cloud IoT Engineer
• Led device migration from 0-1 to AWS IoT infrastructure, identifying optimization opportunities for the existing system.
• Leveraged AWS IoT services for end-to-end data ingest with Elasticsearch, DynamoDB.
• Handled all backend integration for data upload, state management, and device management including unit testing.
• Utilized AWS IoT for device registration and Greengrass, including device provisioning.
• Managed image and video uploads, including branding and appropriate storage, accessible through CloudFront.
• Implemented AWS Kinesis video live streaming with MQTT.