Lead AI Engineer

Location Working at CoreMedia is about working on exciting projects, for international customers, at global locations, with more than 220 great colleagues shaping the digital world. Join our team in Portugal. What you will doArchitect 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 .Monitor, evaluate, and optimize LLM usage and performance in real-world applications.Lead and mentor engineers across AI/ML development efforts.What you bring2+ 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.What we offer youA leadership role in an AI-first product teamA hybrid working model (remote + office)Flexible working hoursAn onboarding program to guide you through all the company's departmentsSeveral amenities and perksUnique office space in the historical centre of Porto All the benefits of a large corporation combined with an informal and friendly environmentA commitment to your development (we enjoy sharing and learning), with a career plan and regular feedback (regular 1-1 meetings and performance reviews)Health insuranceAbout usCoreMedia is a leading Digital Experience Platform (DXP), uniquely pairing a powerful Content Cloud with a data-driven Engagement Cloud, designed to elevate experience and drive impact.The CoreMedia Experience Platform empowers global brands to guide consumers through their buying journey by ensuring the right information gets to the right customer at the right time, leveraging more channels than any other DXP. No matter if it’s on the website, in the app, or via social media - through AI-chatbots, messaging apps, voice and video calls with human interactions - buying journeys are made easy and exciting.Ambitious global B2C and B2B brands, such as Deckers, Luxottica, PVH Corp, Finnair, Deutsche Telekom, Continental, Claas, Emerson and DMG-Mori rely on CoreMedia to go beyond the limits of customer experiences.Learn more about CoreMedia on kununu: