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 sy

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