AI Engineer needed to build RAG Document Q&A System

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Job Details

Budget $18.00 - $45.00/hr

ExperienceIntermediate

DurationUnknown

Weekly hoursUnknown

Client countryUnknown

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First seenSun, Jul 12, 2026 12:26 AM

Last seenSun, Jul 12, 2026 12:41 AM

Description

I need an AI engineer to build a production-grade RAG (Retrieval-Augmented Generation) system that allows users to upload PDF documents and ask questions in natural language, receiving accurate answers with source citations. Requirements: - Multi-format document ingestion (PDF, DOCX, TXT) - Arabic and English language support - Hybrid search: BM25 + semantic embeddings - Cross-encoder reranking for accuracy - Source citation with document name and page number - JWT authentication with multi-tenant support - Async background processing with job status tracking - Query caching - FastAPI REST API backend - Observability and tracing Deliverables: - Complete source code on GitHub - Working API with documentation - README with setup instructions

Skills

Artificial Intelligence Artificial Neural Network Machine Learning Python

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