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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # AI Solutions Scientist - **Company:** Hitachi, Ltd. - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Python (Programming Language), Machine Learning, Performance Tuning, Software Safety, Software Engineering, SQL Databases, Enterprise Data Management, Enterprise Software Applications, Large Language Models, Prompt Engineering, Generative AI, Information Technology, Data Pipelines, Data Generation - **Published:** May 15, 2026 - **Apply:** https://es.indeed.com/viewjob?jk=1d6fc31b7181f117 ## About the Role Do you have experience in Scalability?, Do you have a Master's degree?, * Degree in Computer Science, Artificial Intelligence, Data Science, Software Engineering, or related field. * Strong knowledge of Generative AI, Large Language Models (LLMs), and RAG architectures . * Experience with prompt engineering, AI evaluation frameworks, and data processing workflows . * Familiarity with Python programming and modern AI/ML ecosystems. * Analytical mindset with strong problem-solving and communication skills. * Fluent in English and comfortable working in an international environment. ## Description We are looking for an AI Solutions Scientist to join our digital and innovation team, contributing to the development of next-generation AI solutions that enhance operational efficiency and accelerate digital transformation across the organization. In this role, you will work at the intersection of Generative AI, Data Science, and enterprise systems , helping design reliable and scalable AI architectures connected to proprietary corporate data. You will collaborate closely with Data Architects and cross-functional teams to build intelligent solutions powered by Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), and advanced evaluation frameworks . This is an exciting opportunity to work on cutting-edge AI technologies in a global and highly innovative environment., * Design and develop Retrieval-Augmented Generation (RAG) architectures connecting LLMs with internal enterprise data sources such as SQL databases and technical documentation. * Develop and optimize prompt engineering and automated evaluation frameworks to improve AI performance, reliability, and scalability. * Create synthetic datasets and AI-driven data generation workflows to support machine learning and analytics initiatives. * Define benchmarking and validation methodologies, including LLM-as-a-Judge evaluation systems to assess model quality and accuracy. * Implement AI safety mechanisms and guardrails to ensure secure, compliant, and trustworthy AI solutions. * Collaborate with digital, IT, and business teams to deploy innovative AI applications that create measurable business value. ## Related Videos - [Developer Experience, Platform Engineering and AI powered Apps](https://www.wearedevelopers.com/videos/990-developer-experience-platform-engineering-and-ai-powered-apps) - [Fault Tolerance and Consistency at Scale: Harnessing the Power of Distributed SQL Databases](https://www.wearedevelopers.com/videos/1146-fault-tolerance-and-consistency-at-scale-harnessing-the-power-of-distributed-sql-databases) - [Your imaginations is (no longer) the limit: how Generative AI empowers people to be creative](https://www.wearedevelopers.com/videos/741-your-imaginations-is-no-longer-the-limit-how-generative-ai-empowers-people-to-be-creative) - [Why and when should we consider Stream Processing frameworks in our solutions](https://www.wearedevelopers.com/videos/1085-why-and-when-should-we-consider-stream-processing-frameworks-in-our-solutions) - [Should we build Generative AI into our existing software?](https://www.wearedevelopers.com/videos/1129-should-we-build-generative-ai-into-our-existing-software) - [Fault Tolerance and Consistency at Scale: Harnessing the Power of Distributed SQL Databases](https://www.wearedevelopers.com/videos/1520-fault-tolerance-and-consistency-at-scale-harnessing-the-power-of-distributed-sql-databases) ## Related Articles - [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer) - [What Industries Outside of AI Are Hiring The Most AI Experts?](https://www.wearedevelopers.com/magazine/98-what-industries-outside-of-ai-are-hiring-the-most-ai-experts) - [Stephan Gillich - Bringing AI Everywhere](https://www.wearedevelopers.com/magazine/489-stephan-gillich-bringing-ai-everywhere) - [Coffee with Developers - Maria Apazoglou - Making AI understandable for all in production](https://www.wearedevelopers.com/magazine/475-coffee-with-developers-maria-apazoglou-making-ai-understandable-for-all-in-production) - [MLOps And AI Driven Development](https://www.wearedevelopers.com/magazine/82-mlops-and-ai-driven-development) - [MLOps – What’s the deal behind it?](https://www.wearedevelopers.com/magazine/125-mlops-what-s-the-deal-behind-it)