Senior AI Data Engineer: Ingest & AI Pipelines

Dun & Bradstreet; Województwo mazowieckie; On-site; PLN 140,000 - 210,000; Full time

Job summary

Dun & Bradstreet is seeking a Data Engineer II to join the AI & Ingestion team. You will design, build and operate data pipelines, ingest diverse sources and apply AI to extract, classify and validate data for our Data Cloud platform.

You will work in an agile environment, shape modern ingestion workflows with LLMs, maintain data quality and governance, and mentor teammates while sharing learnings across teams.

Qualifications

• 5+ years of experience in data engineering or a similar role with hands-on data ingestion pipelines building.
• Strong Python and SQL proficiency.
• Experience building pipelines with LLMs and prompt engineering; evaluation of outputs.
• Cloud data processing experience, preferably GCP; Databricks a plus.

Responsibilities

• Design, build and operate scalable data ingestion pipelines across sources on our cloud data platform.
• Build and productionise AI pipelines that use LLMs to extract, classify, enrich and standardise data.
• Develop RAG workflows, including prompts and MCP integrations; optimize coverage and quality.
• Establish evaluation, monitoring, drift detection, and cost/latency tracking for AI components.
• Embed data quality, governance and Responsible AI practices across pipelines.
• Research and apply data mastering and entity resolution techniques to improve derived insights.
• Own the health of ingestion and AI pipelines in production—monitoring, incident resolution, optimization.
• Share reusable components and patterns with AI & Ingestion community; mentor engineers.
• Develop and maintain documentation: data flow diagrams, lineage, runbooks, prompts and models.
• Partner with product, data science and stakeholders to translate data requirements into effective ingestion/AI solutions.

Skills

Python

SQL

LLMs

Data pipelines

Cloud data processing

GCP

Data governance

Responsible AI

Mentoring

English

Education

Bachelor’s Degree in Data Science or related

Tools

BigQuery

Dataflow

Vertex AI

Airflow (Cloud Composer)

Databricks

Job description

Dun & Bradstreet is seeking a Data Engineer II to join the AI & Ingestion team. You will design, build and operate data pipelines, ingest diverse sources and apply AI to extract, classify and validate data for our Data Cloud platform.

You will work in an agile environment, shape modern ingestion workflows with LLMs, maintain data quality and governance, and mentor teammates while sharing learnings across teams.