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AI/ML Engineer

AI-Powered Receipt Reader

Fuel expense verification at scale

Hybrid OCR + LLM pipeline processing thousands of fuel receipts monthly for a leading Australian salary packaging provider.

  • ClientAustralian salary packaging provider
  • RoleAI/ML Engineer
  • Period2025
AWS TextractAWS LambdaAWS S3AWS API GatewayOpenAI GPTPython
AI-Powered Receipt Reader
99%
Classification accuracy
68% → 99%
Accuracy lift over OCR-only
90%
Reduction in manual verification time

Highlights

  • Serverless on AWS: S3 storage, Lambda orchestration, Textract OCR, GPT reasoning, API Gateway delivery
  • Line-item classification with GST and discount validation
  • 99% classification accuracy (up from 68% OCR-only)
  • 90% reduction in manual verification time

Tech stack

AWS TextractAWS LambdaAWS S3AWS API GatewayOpenAI GPTPython
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