Senior Test Engineer

Harrington Starr; England; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A financial services firm in London is seeking a Senior Tester for a data migration project, offering hybrid working conditions. You will develop and execute test strategies, ensuring data quality and integrity throughout the migration process. This hands-on role demands extensive experience in data migration testing, preferably within Investment Banking. You'll collaborate with various stakeholders and have the opportunity to influence the bank's future data migration approach.

Qualifications

• Extensive experience in data migration testing, preferably in Investment Banking or Financial Services.
• Hands-on skills with various ETL and migration tools.
• Solid grasp of data governance and quality standards.

Responsibilities

• Developing and executing test strategies for data migration projects.
• Running functional, system, and acceptance testing end-to-end.
• Validating data lineage, mapping, and transformation rules.

Skills

Data migration testing

ETL tools (Talend, Informatica, SSIS)

Strong SQL and database knowledge

Data governance

Tools

AWS DMS

Azure DMS

ETL Validator

Tx tools

Dextrus

Beyond Compare

Job description

Senior Tester / Test SME – Data Migration Project

Investment Banking

London - Hybrid working 2-3 days onsite per week

6 month initial contract with extensions expected

You’ll be joining the Data Office at the start of a greenfield journey.

Shaping and delivering a brand-new data migration testing framework. This is a hands-on role where you’ll design, plan, and execute testing across multiple critical programmes, ensuring accuracy, consistency, and integrity of data across the bank.

What you’ll be doing in the job:

• Developing and executing test strategies for data migration projects
• Running functional, system, and acceptance testing end-to-end
• Validating data lineage, mapping, and transformation rules
• Ensuring data quality standards and resolving anomalies
• Collaborating with project managers, SMEs, and stakeholders across the bank
• Producing reports, defect logs, and documentation for audit and review
• Contributing to post-migration reviews and continuous improvement

What experience you need to be successful:

• Extensive experience in data migration testing and execution (Investment Banking or Financial Services preferred)
• Hands-on skills with ETL tools (Talend, Informatica, SSIS) and migration tools (AWS DMS, Azure DMS)
• Strong SQL and database knowledge (Oracle, SQL Server, MySQL)
• Familiarity with migration test tools (ETL Validator, Tx tools, Dextrus, Beyond Compare)
• Solid grasp of data governance, data quality, and remediation
• Ability to manage risks, resolve issues, and guide best practice in a fast-moving environment

This is a chance to roll up your sleeves, own the detail, and build something that will define how the bank delivers migrations going forward. If you want a role where you can make a real impact from day one, this is it.

Equal Employment Opportunity: We are an equal opportunities employer and welcome applications from all qualified candidates.