[Remote] Sr. AI Engineer

Note: The job is a remote job and is open to candidates in USA. Robert Half is looking for a highly hands-on Senior AI Engineer to own the full lifecycle of document-derived data. The role involves managing end-to-end IDP pipelines, improving accuracy and performance across pipelines, and implementing scalable RAG systems.ResponsibilitiesEnd-to-end IDP pipelines: ingestion → OCR → LLM → validation → workflowsScalable Retrieval-Augmented Generation (RAG) systemsConversion of noisy documents into traceable, structured, versioned dataSchema design for reprocessing, backfills, and lineageAPIs that expose extracted data and workflow statesAccuracy, performance, and reliability improvements across pipelinesSkillsEnd-to-end IDP pipelines: ingestion → OCR → LLM → validation → workflowsScalable Retrieval-Augmented Generation (RAG) systemsConversion of noisy documents into traceable, structured, versioned dataSchema design for reprocessing, backfills, and lineageAPIs that expose extracted data and workflow statesAccuracy, performance, and reliability improvements across pipelinesOCR + LLM pipelines using tools like Tesseract, Textract, or Form RecognizerRAG systems including chunking, embeddings, and rerankingVector databases such as Pinecone, Weaviate, Milvus, or ChromaStrong Python backend engineering with FastAPI or FlaskWorkflow automation and validation logicPrompt engineering and orchestrationLLM fine-tuning, ideally with LoRA/adaptersSemantic and hybrid searchEvaluation frameworks focused on accuracy and hallucination reductionExperience with orchestration frameworks such as LangChain, LlamaIndex, Guidance, or custom orchestration layersStrong experience enforcing structured outputs via JSON schemas, Pydantic, function/tool calling, or constrained decodingExperience designing multi-pass extraction and validation workflowsFamiliarity with evaluation and monitoring tools such as LangSmith, RAGAS, Weights & Biases, or custom frameworksExperience across multiple LLM providers, including OpenAI/Azure OpenAI, Anthropic, and open-source modelsBenefitsMedical, vision, dental, life, and disability insurance coverageYou may also enroll in our company's 401(k) planCompany OverviewRobert Half provides staffing, recruiting, finance, and accounting services. It was founded in 1948, and is headquartered in Frankfurt, Hessen, DEU, with a workforce of 10001+ employees. Its website is https://www.roberthalf.de.Company H1B SponsorshipRobert Half has a track record of offering H1B sponsorships, with 1 in 2024, 31 in 2023, 32 in 2022, 18 in 2021, 22 in 2020. Please note that this does not guarantee sponsorship for this specific role.