Senior Data Tester
Location Greater London, South East, England
Salary £470 - £570 per day
Expiry Date September 24, 2025
Job Ref BH-8431
No of days in the office 3
Senior Data Tester – Insurance Data Platform – Contract
Our sister company Stellarmann are looking for a contract Data Test Analyst. Stellarmann build teams of associates to deliver technology and change programmes, in this case for a global insurance business.
You'll be great for this role if:
• You have advanced SQL skills and experience with Snowflake
• You’ve tested data contracts, mappings, and transformations across systems
• You’ve tested Microsoft BI reports and validated report outputs
• You’re experienced in designing and executing data validation and reconciliation test cases
• You can identify, report, and manage data quality issues through to resolution
• You’ve worked with a variety of data sources like Oracle, Postgres, NoSQL, Amazon S3, and RDS
• You’ve worked in fast-paced data environments and understand dependencies across platforms
• You’ve supported BAU by building robust regression packs
• You’re confident collaborating with other data testers to ensure alignment across teams
• Experience with Cypress test automation or insurance systems (particularly claims) is a bonus
This is an outside IR35 Contract paying competitive market rates. The role offers hybrid, 3 days per wek working in offices based in Central London.
The processing and use by us of your personal data is in accordance with our Privacy Notice which can be found on our website.
We know that the most successful teams have a diversity of background, experience and approach.
When we recruit, we welcome the unique contributions you can bring thanks to your sex, ethnicity, race, gender identity, nationality, age, disability and beliefs.
Senior Data Tester – Insurance Data Platform – Contract
Our sister company Stellarmann are looking for a contract Data Test Analyst. Stellarmann build teams of associates to deliver technology and change programmes, in this case for a global insurance business.
You'll be great for this role if:
• You have advanced SQL skills and experience with Snowflake
• You’ve tested data contracts, mappings, and transformations across systems
• You’ve tested Microsoft BI reports and validated report outputs
• You’re experienced in designing and executing data validation and reconciliation test cases
• You can identify, report, and manage data quality issues through to resolution
• You’ve worked with a variety of data sources like Oracle, Postgres, NoSQL, Amazon S3, and RDS
• You’ve worked in fast-paced data environments and understand dependencies across platforms
• You’ve supported BAU by building robust regression packs
• You’re confident collaborating with other data testers to ensure alignment across teams
• Experience with Cypress test automation or insurance systems (particularly claims) is a bonus
This is an outside IR35 Contract paying competitive market rates. The role offers hybrid, 3 days per wek working in offices based in Central London.
The processing and use by us of your personal data is in accordance with our Privacy Notice which can be found on our website.
We know that the most successful teams have a diversity of background, experience and approach.
When we recruit, we welcome the unique contributions you can bring thanks to your sex, ethnicity, race, gender identity, nationality, age, disability and beliefs.
Senior Data Tester – Insurance Data Platform – Contract
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Different is good
Our clients come from all walks of life and so do we. We know that the most successful teams have a diversity of background, experience and approach.
When we recruit, we welcome the unique contributions you can bring thanks to your sex, ethnicity, race, gender identity, nationality, age, disability and beliefs.
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