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AI Developer

Portugal
Full-time
Permanent employee

Location

Working at CoreMedia means working on exciting projects for international customers at global locations, alongside around 200 talented colleagues shaping the digital world. Join our team in Portugal.

What you will do

  • Develop AI-driven solutions using LLMs, including GPT, Claude, Gemini, and LLaMA.
  • Build and maintain RAG pipelines with integrations to vector databases for semantic search and retrieval.
  • Design and manage workflows using LangChain, LangGraph, and LangSmith.
  • Apply the 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-premises infrastructure as required.
  • Monitor, evaluate, and optimize LLM usage and performance in real-world applications.

What you bring

  • 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 major LLM, such as GPT, Claude, Gemini, or LLaMA.
  • Practical experience with RAG architectures and vector databases (e.g. ChromaDB, Pinecone, Weaviate).
  • Strong backend development skills, preferably in PHP, alternatively in Python, 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-premises environments.

What we offer you

  • The opportunity to work in an AI-first product team.
  • A hybrid working model (remote and office).
  • Flexible working hours.
  • A comprehensive onboarding program introducing you to all company departments.
  • Several amenities and perks.
  • A unique office space in the historical centre of Porto.
  • The benefits of a large corporation combined with an informal and friendly environment.
  • A strong commitment to your development through knowledge sharing, continuous learning, career planning, and regular feedback sessions (1:1 meetings and performance reviews).
  • Health insurance.

About us

CoreMedia is a leading Digital Experience Platform (DXP) that unites content, data, and AI — making every customer interaction consistent, personal, and impactful.


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 Brands, Deutsche Telekom, InSinkErator, Henkel, and Finnair, rely on CoreMedia to go beyond the limits of customer experiences.


Learn more about CoreMedia on kununu:  kununu