Junior AI Engineer for Financial Data Systems

Whitehole; Donostia/San Sebastián; Presencial; EUR 35.000 - 52.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Competitive salary

Flexible hours

On-site Donostia

Remote work by agreement

Descripción de la vacante

Whitehole, a Family Office based in Donostia, seeks a Junior AI Engineer to own the data platform behind investment decisions and build AI systems on top of it.

You will ingest market data daily, develop ETL pipelines, manage databases, and implement data quality checks. The role emphasizes robust validation, monitoring, and responsible use of LLMs within production workflows. Fluency in English or Spanish is required.

Formación

• University degree in Engineering, Computer Science, Telecommunications, Physics or Mathematics.
• Up to two years of professional experience; internships count.
• Based in Donostia, or willing to relocate; Fluency in English or Spanish.
• 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 with APIs and structured/unstructured data.
• Experience building non-trivial projects.
• Ability to plan tasks with LLMs and design robust validation mechanisms.
• Cloud platforms (AWS preferred) and time-series/financial data exposure is a plus.

Responsabilidades

• Own the data platform behind investment decisions and build AI systems on top of it.
• Daily ingestion of market data from external providers.
• Develop ETL/ELT pipelines and manage databases and storage.
• Implement automated data quality checks, alerts and monitoring.
• Diagnose and resolve incidents: failed jobs, incomplete series, provider changes.
• Build LLM-based systems: retrieval workflows, tool use, multi-step reasoning.
• Develop validation mechanisms to ensure output verifiability.

Descripción del empleo

Whitehole, a Family Office based in Donostia, seeks a Junior AI Engineer to own the data platform behind investment decisions and build AI systems on top of it.

You will ingest market data daily, develop ETL pipelines, manage databases, and implement data quality checks. The role emphasizes robust validation, monitoring, and responsible use of LLMs within production workflows. Fluency in English or Spanish is required.