AI Engineer at Visor.ai

Visor.ai builds AI-powered customer service automation for banking, insurance, utilities, and public sector clients. Established in 2016, the company focuses on revolutionizing AI and automation for Contact Centers.

As an AI Engineer, you will

Design end-to-end NLP pipelines from classical text processing to LLM architectures

Build intent detection, NER, entity extraction, and text classification systems

Optimize RAG systems (chunking, vector storage, re-ranking)

Implement agentic architectures with tool use and function calling

Develop memory and context management for multi-turn conversations

Evaluate models for hallucination detection and performance monitoring

Deploy AI components into production microservices

Requirements

1-3 years in Data Science/AI/NLP

Strong Python with ML libraries (Pandas, scikit-learn, NLTK, spaCy)

NLP fundamentals understanding

Experience with LLMs in production (OpenAI, Anthropic, Mistral, LLaMA, Gemini)

Familiarity with RAG pipelines and vector databases (Pinecone, Weaviate, Qdrant, pgvector)

LLM frameworks (LangChain, LlamaIndex, Hugging Face Transformers)

LLM monitoring and observability knowledge

Bonus: Experience with agentic frameworks, function calling, structured outputs, voice AI pipelines, cloud infrastructure (AWS/GCP/Azure)

Benefits

Competitive compensation

Health insurance

Professional development opportunities

Remote-first model with optional office perks

Fully remote within Portugal.