Senior Data Engineer

London – Fully Remote | £90,000 – £110,000 Base + Equity

We’re looking for a Senior Data Engineer to join an early-stage, venture-backed AI company building an intelligent operating platform for senior finance teams. Their technology brings together complex business and financial data, enabling AI agents to identify trends, surface opportunities and support faster strategic decision-making.

This is a senior, hands-on engineering role with ownership of the Python data pipelines, integrations and underlying data models that power the platform. You’ll help to ensure AI systems can retrieve, interpret and reason accurately across large volumes of sensitive, multi-entity data.

You’ll report directly to the CTO and join a small, collaborative engineering team where you’ll own technical problems from initial design through to production. The position will initially be heavily focused as an individual contributor, with the opportunity to gradually build and mentor a growing data team, and develop into a technical leadership role.

Responsibilities:

• Build and maintain production-grade data pipelines using Python • Design ETL and ELT workflows that bring customer data into the platform • Develop integrations with data warehouses, ERP platforms, accounting tools and billing systems • Create data models and ontologies that support accurate AI retrieval and reasoning • Work with graph databases, vector stores, SQL and relational databases • Support RAG and GraphRAG-based systems…