Madrid | Hybrid: 3 days in the office / 2 remote | €65K max + 10% bonusAbout the OpportunityWe are supporting a leading international e-commerce technology company that is investing heavily in AI to transform the way software is designed, developed, tested, and delivered.
We are looking for a Senior AI Engineer to join an international engineering team and help bring AI capabilities directly into the software development lifecycle. You'll work on practical, production-focused solutions that improve developer productivity, engineering quality, and automation across the organisation.
This is a great opportunity for an experienced software engineer who has moved into AI and wants to work on real-world GenAI applications rather than purely experimental projects .What You'll Be DoingDesign and build AI-powered SDLC solutions, including code generation, automated code reviews, intelligent testing, and documentation.
Develop MCP-based tools and extensions that give AI systems access to relevant engineering context and tools.
Apply context engineering techniques to improve the accuracy,



reliability, and relevance of LLM-powered workflows.
Build LLM-integrated workflows across CI/CD pipelines.
Work with LLM orchestration, prompt engineering, structured outputs, and tool calling.
Develop and integrate RAG-based solutions using embeddings and vector databases.
Implement evaluation, observability, monitoring, and guardrails for AI systems. Work closely with engineering and product teams to identify new opportunities for AI-driven automation and productivity.
What We're Looking For5+ years of software engineering experience, ideally in backend or full-stack environments.
Strong programming experience with Java, Python, JavaScript, or Kotlin .Hands-on experience integrating LLMs into software engineering or product workflows .Good understanding of RAG, embeddings, vector databases, and LLM orchestration .Experience with MCP, context engineering, or agentic workflows .Solid unders

📌 Senior Ai Engineer (Madrid)
🏢 E-Frontiers
📍 Madrid