Welcome

My name is Pujan and I’m a Principal Software Architect and AWS enthusiast I have more than 16 years of industry experience in various domains (Enterprise, Networking, Streaming, Banking, IoT). I have architected and built scaled connected products for multiple brands and categories.

My particular passion is Cloud specially AWS. I am AWS Certified Solutions Architect - Professional. I program in TypeScript/Node.js/Java frequently and in Bash/Python occasionally.

To know more about me:

Featured

• Designing Effective AWS EDA Architecture

  Updated:Oct 17, 2025 |  at 10:00 AM

  Error Handling, Retries, Idempotency & Poison Messages in Event-Driven Architecture

• AOSS OpenSearch Serverless Development using AWS CDK

  Updated:Nov 12, 2024 |  at 07:05 PM

  OpenSearch serverless AOSS

• AWS SigV4 Signing Request for any Services

  Updated:Nov 13, 2022 |  at 12:00 AM

  AWS SigV4 Signing of requests for any Services

• AWS Cognito Service

  Updated:May 1, 2022 |  at 01:00 AM

  AWS Cognito

• AWS Lambda Glitches

  Updated:Apr 26, 2019 |  at 07:22 AM

  AWS Lambda Glitches

• Real-Time System Dashboard in Python using WebSocket

  Updated:Sep 13, 2017 |  at 01:00 AM

  System Dashboard in Python using WebSocket and Flask

Recent Posts

• Global by Design: Serving a Static React App with S3 Multi-Region Access Points & CloudFront OAC

  Updated:Oct 23, 2025 |  at 10:00 AM

  Global by Design: Serving a Static React App with S3 Multi-Region Access Points & CloudFront OAC Architecture

• Choosing the Right AWS Messaging Service

  Updated:Aug 11, 2025 |  at 10:00 AM

  Choosing the Right AWS Messaging Service Depends on Your Use Case

• The Ultimate Guide to Must-Know TypeScript Features

  Updated:Aug 21, 2024 |  at 10:00 AM

  TypeScript Tips, Tricks & Must-Know Features Every Developer Should Know

• Key Management Service in AWS

  Updated:Jul 26, 2024 |  at 08:12 AM

  Key Management Service in AWS