AI-Powered PDF Data Extraction & Workflow Automation Engineer (Next.js, FastAPI, OpenAI, PostgreSQL)

I need a developer to build a small internal tool that automates the extraction of structured data from uploaded PDF documents. Currently, my team manually reviews supplier invoices and copies information into spreadsheets. I want a web application where users can upload a PDF invoice, the system extracts predefined fields using AI and the extracted data is displayed for review before saving. Required Features: OpenAI API integration for document parsing Extract the following fields: Invoice Number Vendor Name Invoice Date Due Date Total Amount Tax Amount Editable review screen before submission PostgreSQL database for storing extracted records Record listing page with search and filters Technical Requirements: Next.js 15 TypeScript FastAPI (Python) PostgreSQL OpenAI GPT API Dockerized deployment Please apply only if you have experience with OpenAI integrations, document processing workflows, FastAPI and modern React/Next.js development. Candidate must start immediately!