> Markdown version of [/jobs/ext/2821927-senior-test-engineer](https://www.wearedevelopers.com/jobs/ext/2821927-senior-test-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Test Engineer - **Company:** Harrington Starr - **Location:** London, UK - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** Amazon Web Services, Microsoft Azure, Databases, Data Validation, Data Governance, Extract Transform Load (ETL), Data Migration, Microsoft SQL Server, MySQL, Oracle (Applications), Standard Sql, SQL Server Integration Services, Talend, Informatica Powercenter - **Published:** September 10, 2026 - **Apply:** https://www.collegerecruiter.com/job/2840600840-senior-test-engineer ## About the Role * 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. ## Description 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 ## Related Videos - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [SMART Test Automation - the experience of legacy transformation](https://www.wearedevelopers.com/videos/100215-smart-test-automation-the-experience-of-legacy-transformation) - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [Branch your database like your code: How schema changes and pull requests go hand in hand](https://www.wearedevelopers.com/videos/350-branch-your-database-like-your-code-how-schema-changes-and-pull-requests-go-hand-in-hand) - [Testing .NET applications a Tool box for every developer](https://www.wearedevelopers.com/videos/704-testing-net-applications-a-tool-box-for-every-developer) - [Coding for Good: Achieving social change with an app](https://www.wearedevelopers.com/videos/1645-coding-for-good-achieving-social-change-with-an-app) ## Related Articles - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Best Companies to work for in London: Top 25 Companies in 2023](https://www.wearedevelopers.com/magazine/187-best-companies-to-work-for-in-london-top-25-companies-in-2023) - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk)