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Summary

Status

In production

Role

System Designer

Stack

Python, AWS Lambda, API Gateway, DynamoDB, AWS S3, Terraform, LLM API integration

Project value

For the user:

  • fast transcription of long audio recordings without uploading to heavy SaaS services;
  • controlled access to results via Cognito and presigned URLs;
  • minimal ongoing costs through a serverless model.

For the professional profile:

  • practical design of an AWS serverless workflow;
  • working with async processing, webhooks, polling UI, and job lifecycle;
  • applying Infrastructure-as-Code through Terraform;
  • choosing solutions based on episodic load and cost constraints (cost-driven architecture).