Job Specifications
About the Role
We are seeking an experienced Senior System Tester to play a key role in assuring the quality, reliability, and performance of complex, mission-critical systems within a major UK Government digital transformation programme.
You will lead testing strategy, champion automation-first practices, and work closely with multidisciplinary delivery teams to embed a strong culture of quality and continuous improvement. This role requires deep technical expertise in modern test automation frameworks, Back End validation, service-based architectures, and performance testing.
The role is a hybrid one - 2 days p/week on-site in Birmingham, and 3 days remote.
Must have Active SC & NPPV3 clearance
Key Responsibilities
Lead the design, development, and maintenance of automated test suites using JUnit, Cucumber, and Selenium
Own system, integration, regression, and end-to-end testing across microservice and distributed architectures
Perform advanced Back End validation and data integrity checks using PostgreSQL
Design and maintain service mocks and stubs using WireMock
Collaborate with teams building Spring-based applications to ensure testability and quality gates
Lead performance and load testing using JMeter and provide optimisation recommendations
Manage defects, risks, and issues, ensuring clear communication and timely resolution
Facilitate workshops, quality reviews, and technical discussions with stakeholders
Mentor junior testers and promote best practices in automation and CI/CD integration
Drive continuous improvement of testing processes, tools, and delivery workflows
Essential Skills & Experience
Extensive hands-on experience with JUnit, Cucumber, and Selenium WebDriver
Strong understanding of Spring applications, microservices, and distributed systems
Advanced proficiency in PostgreSQL (query optimisation, data validation)
Experience using WireMock for service virtualisation
Strong expertise with JMeter for performance, load, and stress testing
Proven experience leading testing within Agile delivery teams
Strong knowledge of CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI, etc.)
Experience with Git, Jira, Confluence and similar tools
Excellent communication and stakeholder engagement skills
Desirable Skills
Contract testing and microservices testing at scale
Docker, Kubernetes, and cloud platforms (AWS, Azure, or GCP)
BDD/TDD and quality-driven engineering practices
Monitoring and observability tools (Grafana, Prometheus, ELK)
Experience in consultancy or government digital delivery environments
About the Company
We will find the ideal candidate or expert for you and take care of everything - from selection to contract management. Benefit from our scalable solutions and utilise the potential of IT with the support of your personal contact.
Our services:
Recruitment: Thanks to our in-depth expertise and excellent network, we can fill your vacancies effectively and efficiently.
Contracting: Flexibility in project staffing thanks to our extensive community of IT experts who are available at short notice.
Consulting: Strategic advic...
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