Senior Data Engineer - Hybrid (Snowflake, AI Tools)

Optum; Dublin; Hybrid; EUR 85,000 - 120,000; Full time

Job summary

Optum is seeking a Senior Data Engineer in Ireland to develop complex data sources and pipelines into our data platform (Snowflake) and related tools (Azure, Airflow). You will design data models, implement masking, and build scalable ETL/ELT solutions in a hybrid Dublin/Letterkenny setup.

Work with cross-functional teams to ensure data quality, reliability, and actionable insights, while leveraging AI-assisted engineering tools to boost productivity and delivery speed.

Qualifications

• Bachelor’s degree in a relevant field.
• Hands-on data engineer experience.
• Proficient in SQL with window functions.
• Strong Python programming skills.
• Experience building ETL/ELT pipelines with Snowflake.

Responsibilities

• Ingest and integrate data from multiple sources into Snowflake.
• Build and optimize data pipelines for analysis and ML.
• Implement data masking and de-identification.
• Develop monitoring to ensure data quality and reliability.
• Create data models and SQL procedures for use cases.
• Set up CI/CD pipelines with Git/GitHub Actions.

Skills

SQL proficiency

Python

Data modeling

Data warehousing

ETL pipelines

Snowflake

Airflow

GitHub Actions

Azure

Data masking

Data integration

Scala/Java

Communication skills

AI-assisted tools

Education

Bachelors in CS/IT

Tools

Snowflake

Azure

Airflow

Kubernetes

Docker

Databricks

Job description

Optum is seeking a Senior Data Engineer in Ireland to develop complex data sources and pipelines into our data platform (Snowflake) and related tools (Azure, Airflow). You will design data models, implement masking, and build scalable ETL/ELT solutions in a hybrid Dublin/Letterkenny setup.

Work with cross-functional teams to ensure data quality, reliability, and actionable insights, while leveraging AI-assisted engineering tools to boost productivity and delivery speed.