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Swastik Chowdhury

Mid-level Data Engineer specializing in cloud data platforms and real-time streaming

Vertisage TechnologiesCarnegie Mellon University5 Years ExperienceMid LevelWorks On-Site

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About

Worked on onboarding a Middle East logistics client processing thousands of invoices/month, building a production-ready pipeline that routes known vendor PDFs to deterministic regex parsers via Tax ID matching and falls back to LlamaParse for unknown layouts. Added financial consistency validation plus human-in-the-loop review and logging/metrics to continuously reduce LLM usage and improve template coverage.

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Key Strengths

  • Designed scalable hybrid deterministic + LLM document processing pipeline (regex routing + LlamaParse fallback)
  • Cost-aware architecture (zero LLM cost for known vendor invoices via deterministic routing)
  • Built deterministic validation and exception handling with human-in-the-loop review
  • Strong focus on observability, guardrails, and logging for LLM workflows
  • Cross-functional requirements gathering with customer accounts team to understand invoice/vendor variability
  • Presentation approach centered on concise, story-driven technical demos/workshops

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Experience

Data EngineerVertisage Technologies · Apr 2023 – Mar 2024
Data EngineerTata Consultancy Services · Jul 2019 – Apr 2023

Education

Carnegie Mellon Universitymaster, Information Systems (2025)
Maulana Abul Kalam Azad University of Technologybachelor, Technology (2019)

Languages

English

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Connect with Swastik

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Swastik ChowdhuryMid-level Data Engineer specializing in cloud data platforms and real-time streaming