Job description
Senior Test Engineer (SQL Database) | Contract Role
Dublin, Ireland (Hybrid | 3 Days Onsite)
6-Month Initial Contract | Rolling Extensions
Start Date: October / November 2026
Stelfox is partnering with a leading Dublin-based organisation seeking an experienced Senior Test Engineer (SQL Database) to join a large-scale technology programme on a long-term contract basis.
Please Note: This is not a pure Automation Test Engineer role. We are specifically looking for candidates with strong hands-on experience in:
- SQL query writing and analysis
- Database testing and data validation
- ETL, data migration, and data quality testing
- Understanding of data flows and data integrity processes
Key Responsibilities
- Lead test planning, test design, execution, and defect management activities
- Perform end-to-end ETL, data migration, data conversion, and data quality testing
- Design and execute comprehensive test cases and test scenarios
- Validate large data sets using complex SQL queries and database testing techniques
- Collaborate with development, production support, change management, and business teams
- Drive QA delivery across multiple releases and project workstreams
- Develop and maintain test plans, test scripts, and traceability documentation
- Work across Agile and Waterfall delivery environments
- Support continuous improvements in quality assurance practices and testing processes
- Contribute to automation and AI-enabled testing initiatives where appropriate
Required Experience
- 5+ years of hands-on Software Testing and Quality Assurance experience
- Strong SQL skills, including writing complex queries and data validation
- Proven experience in database testing and data quality verification
- Extensive experience with ETL Testing, Data Migration Testing, and Data Conversion Testing
- Experience managing end-to-end testing cycles and defect reporting
- Strong understanding of test methodologies, test design techniques, and QA best practices
- Experience working within Agile software delivery teams
- Familiarity with Unix/Linux environments
- Excellent communication and stakeholder management skills
Nice to Have
- Experience with automation testing tools such as Playwright, Tosca, or similar
- Exposure to AI-assisted testing tools and technologies, including GitHub Copilot
- Experience supporting enterprise-scale data transformation programmes
If you are interested in this role, click 'apply' to send an updated copy of your CV to Honey Rathore or email honey@stelfox.com for more details.
Please note:
We have a number of similar positions currently, and in the future, which we would like to discuss with you should you indicate your interest in this role. When we receive your application for this role, we will contact you to advise you of our process for other similar positions.
Stelfox is fully compliant with GDPR regulations and you can read more in our privacy policy here: https://www.stelfox.com/privacy-policy-gdpr/
Your shared data will not be disclosed or transferred to a third party data controller or data processor located outside the EEA unless we have obtained your express consent.
We look forward to working with you.