SDET: Data Pipelines & Snowflake QA Engineer

AND Digital Limited; Greater London; Hybrid; GBP 60,000 - 90,000; Full time

Benefits offered by this job

26 days holiday + bank holidays

13 days for innovation/upskilling

2 days volunteering

Share scheme

£1000 flexifund for benefits

Team socials

Job summary

AND Digital Limited is seeking a QA Engineer (SDET) focused on data engineering and data pipelines. You will ensure quality, accuracy and performance across Snowflake, SQL-based transformations, and Apache Flink pipelines, working with Data Engineers and Software Engineers to design robust testing strategies.

You will implement data validation, automate tests, and help improve data quality and end-to-end data integration across the platform.

Qualifications

• Experience testing data pipelines (batch and streaming).
• Strong SQL skills and Snowflake data testing experience.
• Experience with data quality, data reconciliation and test automation.

Responsibilities

• Test batch and streaming data pipelines for accuracy and reliability.
• Validate data transformations and business rules using SQL and Snowflake.
• Test streaming data processing with Flink and ensure fault tolerance.
• Verify end-to-end data flows between source systems and targets.
• Develop and maintain automated data validation tests.
• Identify data anomalies and assess pipeline performance and scalability.
• Collaborate with engineers to investigate and fix data defects.
• Integrate automated testing into CI/CD workflows.

Skills

Data pipeline testing

Test automation

CI/CD

Data quality

Defect management

Tools

Snowflake

Apache Flink

SQL

Job description

AND Digital Limited is seeking a QA Engineer (SDET) focused on data engineering and data pipelines. You will ensure quality, accuracy and performance across Snowflake, SQL-based transformations, and Apache Flink pipelines, working with Data Engineers and Software Engineers to design robust testing strategies.

You will implement data validation, automate tests, and help improve data quality and end-to-end data integration across the platform.