Remote Python AI Engineer – Freelance (6-12 mo) LLMs & Agents

Set Europa; Porto; Remote; EUR 60,000 - 110,000; Full time

Job summary

Set Europa is seeking an experienced Python Developer to join a remote project building an AI-driven document analysis platform. You will develop scalable AI-powered solutions, integrate LLMs, and create robust document processing pipelines.

The role requires 3–5 years of Python experience, hands-on work with LLMs and RAG, embeddings, vector databases, and a security-conscious approach to data governance. Collaboration with experts to deliver reliable AI workflows is essential.

Qualifications

• 3–5 years of professional experience in Python development or software engineering.
• Mandatory hands-on experience developing AI applications using LLMs and RAG.
• Practical experience with AI agents and agent-based workflows.
• Experience working with embeddings, vector databases, and semantic search.
• Knowledge of prompt engineering and LLM evaluation techniques.
• Experience processing unstructured documents, including PDFs and OCR.
• Familiarity with AI security, governance, and data protection principles.
• Strong problem-solving skills and ability to work independently.
• Technical engineering background or equivalent relevant qualification.
• Good command of English.
• European Union citizenship is mandatory.

Responsibilities

• Develop and maintain AI-powered applications using Python, LLMs, RAG architecture, and AI agents.
• Design and implement provider-agnostic interfaces for LLMs and embedding models.
• Build document ingestion pipelines, including PDF parsing, OCR, intelligent chunking, metadata extraction, and vector indexing.
• Implement hybrid retrieval systems combining semantic search and keyword-based search.
• Develop AI agents with structured inputs, defined schemas, and validated outputs.
• Integrate embedding models and vector databases into AI applications.
• Design evaluation frameworks to measure retrieval quality, classification accuracy, citation validity, and LLM performance.
• Optimize prompts and AI workflows to improve accuracy, reliability, and efficiency.
• Ensure compliance with AI security, data governance, and data residency requirements.
• Collaborate with technical teams and subject matter experts to translate business requirements into AI solutions.
• Produce clear technical documentation.

Skills

Python development

AI with LLMs and RAG

AI agents and agent-based workflows

Embeddings and vector databases

Prompt engineering

Document processing (PDFs, OCR)

AI security and governance

Independent work / problem solving

English proficiency

Education

Engineering degree or equivalent

Tools

LangChain

LangGraph

LlamaIndex

CrewAI

OpenAI / Azure OpenAI

Pinecone

FAISS

ChromaDB

Weaviate

Qdrant

Sentence Transformers

Hugging Face

OpenAI Embeddings

PyMuPDF

pdfplumber

Tesseract OCR

Unstructured

Ragas

DeepEval

LangSmith

FastAPI

Job description

Set Europa is seeking an experienced Python Developer to join a remote project building an AI-driven document analysis platform. You will develop scalable AI-powered solutions, integrate LLMs, and create robust document processing pipelines.

The role requires 3–5 years of Python experience, hands-on work with LLMs and RAG, embeddings, vector databases, and a security-conscious approach to data governance. Collaboration with experts to deliver reliable AI workflows is essential.