Senior Software Developer in Test

About

We are looking for a Senior Software Developer in Test (SDET) to play a key role in building and scaling automation capabilities across a modern engineering environment. This position combines strong software engineering skills with deep testing expertise, helping drive quality across both functional and non-functional areas.

Experience

• 6+ years' experience in software test automation or a similar engineering-focused QA role.

Key Responsibilities

• Design and implement scalable automation frameworks and test strategies
• Drive improvements in test coverage, execution speed and reliability across systems
• Translate complex functional and non-functional requirements into robust automated tests
• Define and review acceptance criteria in collaboration with engineering teams
• Promote best practices in test automation, including BDD and continuous testing approaches
• Lead on test data strategy, including creation, management and reuse
• Maintain and evolve existing automation frameworks to meet changing system needs
• Investigate complex defects, perform root cause analysis and support resolution
• Contribute to CI/CD pipelines to enable continuous testing and fast feedback loops
• Review code, set quality standards and support overall engineering best practice
• Mentor junior team members and support team development
• Collaborate with stakeholders to ensure quality is embedded across the delivery lifecycle

Skills & Experience

• Strong background in building and maintaining automation frameworks
• Solid understanding of system-level testing and modern QA practices
• Experience testing APIs, backend systems and distributed architectures
• Strong debugging skills and ability to analyse complex issues
• Experience contributing to CI/CD and continuous delivery environments
• Ability to take ownership of quality within a team and influence best practices

Technical Environment (typical)

• Java or JavaScript/Node
• Test frameworks (e.g. JUnit or similar)
• CI/CD tools (e.g. Jenkins)
• APIs (REST/SOAP)
• SQL and data validation
• JSON/XML
• Containerisation tools
• Unix/Linux environments

Additional

• Strong communication and stakeholder engagement skills
• Experience mentoring and guiding other engineers
• Comfortable working in Agile or similar delivery environments