AI engineer

EY

EY

Software Engineering, Data Science
Madrid, Spain
Posted on Nov 5, 2025

About Us

At EY wavespace Madrid - AI & Data Hub, we are a diverse, multicultural team at the forefront of technological innovation, working with cutting-edge technologies like Gen AI, data analytics, robotics, etc. Our center is dedicated to exploring the future of AI and Data.

What We Offer

Join our Data & AI Hub, where you will have the chance to work in a vibrant and collaborative environment. You will engage directly with Gen AI and Agentic AI solutions, where you'll leverage cutting-edge technologies to drive innovation and transform business insights. Our team supports your growth and development, providing access to the latest tools and resources. We are looking for a Senior AI Engineer to design, develop, and deploy cutting-edge AI-powered software solutions. The ideal candidate combines strong software engineering expertise with hands-on experience in cloud (Microsoft Azure) environments and the integration of Large Language Models (LLMs), Retrieval-Augmented Generation (RAG) pipelines, and modern database systems.

Key Responsibilities

  • Design and implement scalable, secure, and maintainable full-stack applications.
  • Integrate LLMs and RAG architectures into production systems using APIs or custom frameworks.
  • Build and manage data pipelines and vector databases to support AI-driven functionalities.
  • Develop backend services using Python/Django, NodeJS, or Java Spring Boot.
  • Create rich, interactive frontends using Angular 16+ (preferred), React, or Vue.js.
  • Design and consume RESTful and SOAP APIs.
  • Deploy and monitor applications in Azure Cloud, leveraging Azure services for AI, data, and DevOps.
  • Collaborate with product teams to define requirements, propose architectures, and ensure solution quality.
  • Contribute to best practices in code quality, testing, CI/CD, and infrastructure automation.

Key Requirements & Experience

  • Expertise in server-side technologies: Python/Django, NodeJS, or Java Spring Boot.
  • Proficiency in frontend technologies: JavaScript, TypeScript, and frameworks such as Angular 16+ (preferred), React, or Vue.
  • Experience with SOAP/RESTful API design and integration.
  • Proficiency in version control (Git) and collaborative development practices.
  • Strong understanding of Microsoft tech stack and Azure Cloud services.
  • Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field.
  • Minimum 4 years of professional experience in software development.
  • Fluency in English and Spanish with strong written and verbal communication skills.

Nice to have:

  • Experience with containerization and CI/CD pipelines (Docker, Jenkins, Kubernetes, Ansible, OpenShift).
  • Database management: SQL Server, PostgreSQL, MariaDB.
  • Knowledge of NoSQL databases: MongoDB, Elasticsearch, CosmosDB, Solr.
  • Cloud architecture and deployment expertise (preferably Azure).
  • Familiarity with Azure AI Services (OpenAI Service, Cognitive Search, etc.).
  • Azure / Microsoft certifications (AZ-204, AZ-400, AI-102, etc.).
  • Understanding of DevOps principles and methodologies.
  • Experience implementing LLM-based systems and RAG pipelines for enterprise use cases.

Our commitment to diversity & inclusion

We are genuinely passionate about inclusion and we support individuals of all groups; we do not discriminate on the basis of race, religion, gender, sexual orientation, or disability status.