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AI product engineering

Secure multi-tenant AI document review

A full-stack platform that turns OCR and model output into an inspectable review workflow instead of a black-box answer.

Primary evidenceEnd-to-end

architecture and delivery

Situation

What the system needed to change

A document-heavy product needed secure tenant boundaries, automated processing, versioned source files, and an interface where reviewers could see AI output in context.

Constraints

The boundaries mattered.

  • 01

    Authentication and authorization had to inform the data model

  • 02

    Storage could not be tied to a single provider

  • 03

    Reviewers needed to inspect OCR and model output directly on documents

Decisions

The important engineering choices

  • Designed a Fastify service exposing GraphQL and REST around PostgreSQL
  • Used Auth0 identity to drive tenant-aware access and row-level security decisions
  • Separated versioned object storage from document-processing orchestration
  • Built the Next.js review interface and production delivery path to AWS

Outcome

What the work left behind

  • A secure full-stack foundation for AI-assisted document review
  • Inspectable model output rather than untraceable generated text
  • Containerized deployment through GitHub Actions

Start with the problem

Have a system with similar constraints?

Send the workflow and the boundary that makes it difficult. The first conversation is about fit, not a generic sales deck.