Principal Data Engineer: AI Platforms & RAG Pipelines

Fimador; Greater London; On-site; GBP 90,000 - 130,000; Full time

Job summary

Fimador is seeking a Principal Data Engineer to lead strategic, hands-on data platform initiatives in a tech-bio setting. You will design, build and operate scalable pipelines that power analytics, AI/ML and enterprise applications, while ensuring governance, quality and security.

The role focuses on enabling Generative AI and RAG use cases with well-curated data and robust indexing for semantic search. You will influence architectural decisions, balance immediate delivery with maintainability,

Qualifications

• Significant hands-on experience building and operating production data pipelines for analytics, AI/ML and enterprise apps.
• Experience enabling Generative AI and Retrieval-Augmented Generation (RAG) use cases via data pipelines.
• Knowledge of data quality, lineage, governance and access controls and their impact on performance.
• Familiarity with cloud data platforms and tooling, including Databricks and AWS in production environments.

Responsibilities

• Design, build and operate scalable data pipelines in production environments.
• Influence data engineering decisions balancing near-term delivery with long-term maintainability.
• Ensure data platforms support analytics, AI/ML and enterprise workflows.
• Support GenAI, NLP and discovery via well-curated datasets and pipelines.

Skills

Data pipelines

GenAI

RAG

Data governance

Cloud Databricks AWS

NLP / AI discovery

Tools

Databricks

AWS

Job description

Fimador is seeking a Principal Data Engineer to lead strategic, hands-on data platform initiatives in a tech-bio setting. You will design, build and operate scalable pipelines that power analytics, AI/ML and enterprise applications, while ensuring governance, quality and security.

The role focuses on enabling Generative AI and RAG use cases with well-curated data and robust indexing for semantic search. You will influence architectural decisions, balance immediate delivery with maintainability,