Junior AI Engineer (Financial Intelligence) Location: Donostia Join Our Team at Whitehole Whitehole is a Family Office focused on investment excellence. We actively manage (a) a diverse portfolio of equities, alternative assets, and hedging strategies, and (b) a select group of local companies where we hold significant stakes. Our mission is to uncover opportunities that deliver consistent, long-term value by investing in high-quality businesses led by exceptional teams, aligned with their stakeholders, and built on sustainable competitive advantages. We are looking for a Junior Artificial Intelligence Engineer with a passion for financial markets. This role blends technical expertise with financial insight, offering a unique chance to contribute to our cutting-edge technology research team. About the role You will own the data platform behind our investment decisions, and build the AI systems that run on top of it: * Daily ingestion of market data from external providers, * ETL/ELT pipelines, * databases and storage, * automated data quality checks, * alerts and monitoring,



* diagnosis and resolution of incidents: failed jobs, incomplete series, provider changes, * LLM-based systems: retrieval workflows, tool use, multi-step reasoning, * and the validation mechanisms that make their output verifiable. Core Technical Requirements: * Advanced Python and strong software engineering fundamentals. * SQL and familiarity with databases (relational or NoSQL). * Comfort with Linux and the command line, Git, and containers. * Experience working with APIs and structured/unstructured data. * Demonstrated experience building non-trivial projects * Ability to plan development tasks with LLMs, delegate implementation to coding agents, and design robust validation mechanisms. * Cloud platforms (AWS preferred), workflow orchestration and exposure to time series or financial market data are a plus. AI & Systems Understanding: * Hands-on experience using LLMs as part of small systems

📌 AI Engineer (Valencia)
🏢 Whitehole
📍 Valencia