AI Developer

• 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 and operate AI services across AWS, Azure, or on-prem infrastructure as .
• Monitor, evaluate, and optimize LLM usage and performance in real-world applications.

• 2+ years of experience in AI, NLP, or LLM-based applications.
• 3+ 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 or TypeScript).
• Familiarity with LangChain, LangGraph, and LangSmith.
• Understanding of MCP (Model Context Protocol) and structured prompt design.
• Experience deploying and operating AI systems on AWS, Azure, or on-prem environments.

Nice to Have 

• Experience mentoring or leading other engineers (not  but a plus).
• 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.

• The chance to work in an AI-first product team.
• A hybrid working model (remote + office).
• Flexible working hours.
• An onboarding program to guide you through all the company's departments
• Several amenities and perks
• Unique office space in the historical centre of Porto 
• All the benefits of a large corporation combined with an informal and friendly environment
• A commitment to your development (we enjoy sharing and learning), with a career plan and regular feedback (regular 1-1 meetings and performance reviews)
• Health insurance