lead ai engineer.

• Architect and develop AI-driven solutions using LLMs including GPT, Claude, Gemini, and LLaMA. 


• Build and maintain RAG pipelines with integration to a vector database for semantic search and retrieval.


• Design and manage workflows using LangChain, LangGraph, and LangSmith.


• Apply Model Context Protocol (MCP) for structured and reusable prompt engineering.


• Develop backend services primarily in PHP (preferred), or alternatively in Python or Java.


• Design, consume, and maintain RESTful and external APIs, ensuring secure and efficient integrations.


• Deploy AI services across AWS, Azure, or on-prem infrastructure as required.


• Monitor, evaluate, and optimize LLM usage and performance in real-world applications.


• Lead and mentor engineers across AI/ML development efforts. 

• 2+ years of experience in AI, NLP, or LLM-based applications.


• 5+ years of experience with API development and consumption (REST, JSON, OAuth, etc.).


• Hands-on experience working with at least one of the major LLMs: GPT, Claude, Gemini, or LLaMA.


• Practical experience with RAG architecture and vector databases (e.g., ChromaDB, Pinecone, Weaviate).


• Strong backend development skills, preferably in PHP (alternatively Python or Java).


• Familiarity with LangChain, LangGraph, and LangSmith.


• Solid understanding of MCP (Model Context Protocol) and structured prompt design.


• Experience deploying and operating AI systems on AWS, Azure, or on-prem environments. 


• Familiarity with containerization and orchestration tools (e.g., Docker, Kubernetes).


• Experience with open-source LLM frameworks or fine-tuning custom models.


• Experience integrating speech-to-text (STT) and text-to-speech (TTS) engines (e.g., Whisper, Amazon Polly, Google Speech, Azure Speech).


• Exposure to DevOps, CI/CD pipelines, or MLOps platforms. 

Direct contract, A hybrid working model (remote + office), Flexible working hours, Health insurance, Food allowance, Annual bonus, Extra vacation days, , Flexible working hours, Learning and development opportunities, Private parking, State of the art technology, Team buildings and other cool benefits, a career plan and regular feedback; Unique office space in the historical centre of Porto.

Apply!