python developer for AI-driven platforms

SNI is an IT Outsourcing partner serving prestigious firms and delivering projects worldwide.

• Build and maintain Python (FastAPI) services for an AI-driven platform;
• Design and implement RAG pipelines covering ingestion, retrieval, generation, and outputs;
• Develop document processing workflows for PDF extraction, OCR, and chunking;
• Implement hybrid search using vector search and BM25 with tools such as Azure AI Search or Qdrant;
• Integrate LLM APIs and manage prompt engineering with structured outputs;
• Support frontend integration with Node.js and React and internal tools with Streamlit;
• Develop event-driven and asynchronous processing with Celery and messaging;
• Ensure code quality, testing, and Docker-based deployments;
• Collaborate with business stakeholders to iterate on AI solutions.

• Strong Python experience, including FastAPI, asynchronous processing, and clean architecture;
• Experience with RAG and LLM pipelines and prompt engineering;
• Hands-on experience with OpenAI API, embeddings, and structured outputs;
• Experience with vector databases such as Qdrant and pgVector and search tools such as Azure AI Search;
• Knowledge of document processing, including PDF, OCR, and chunking strategies;
• Experience with PostgreSQL and MongoDB;
• Familiarity with event-driven architecture, including Celery, RabbitMQ, and Service Bus;
• Basic Node.js and React knowledge for integration;
• Experience with Docker, CI/CD, and testing;
• Strong problem-solving and communication skills;
• Nice to have: Experience with LangChain or multi-agent frameworks, knowledge of RAG evaluation and LLMOps, experience with Azure cloud environments.

• Contract engagement for 12 months with extension;
• Start date: ASAP;
• Fully remote with occasional quarterly team sessions in Czech Republic.