Junior AI Engineer (Financial Intelligence)

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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

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- 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

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- 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

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- Hands-on experience using LLMs as part of small systems (e.g., simple retrieval workflows, tool use, or multi-step reasoning setups).

- Basic understanding of how data flows through an AI pipeline (input processing, transformation, validation, output evaluation).

- Interest in structured data modeling and explicit knowledge representation.

Mindset & Operating Style

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- Ownership: this is a production system that real investment decisions depend on.

- Rigor with data: you notice when a number looks wrong, and you go and check.

- Strong problem-solving skills.

- Ability to operate autonomously in technically demanding environments.

- Comfort working on complex systems.

Eligibility Requirements

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- University degree in Engineering, Computer Science, Telecommunications, Physics or Mathematics.

- Up to two years of professional experience.

- Internships and serious personal projects count.

- Based in Donostia, or willing to relocate.

- Fluency in English or Spanish.

What We Offer

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- Competitive salary.

- Adaptable hours.

- Primarily on-site in Donostia, with some flexibility for remote work by agreement.

- We work with a small, high-performance team. You will own your part of the stack from early on, with direct exposure to the investment team and to how decisions are made.

- At Whitehole, you'll join an investment journey that transcends financial returns— prioritizing stability, growth, and social impact. xqbhyrx We're not just managing assets; we're shaping the future of a family-led industrial legacy.

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📌 Vacature Engineer (Valencia)
🏢 Whitehole
📍 Valencia