Senior Test Engineer (80-100%)
- Location: Lucerne Region, Switzerland (Hybrid)
- Working Model: 1-2 days onsite per week, remainder remote
- Start Date: Latest October 2026
- Duration: 6-9 months
- Languages: German (fluent, mandatory), English (professional working proficiency)
About the Role
We are looking for an experienced Senior Test Engineer to play a key role in ensuring and continuously improving software quality within an agile development environment.
This position focuses primarily on hands-on manual software testing (70-80%), including end-to-end testing, exploratory testing, defect analysis, and quality assurance activities. Test automation experience is welcome but is not the primary focus of the role.
Responsibilities
Manual Testing & Quality Assurance
- Perform hands-on manual testing of software applications
- Execute functional, integration, system, regression, and end-to-end tests
- Conduct exploratory testing to identify defects, risks, and usability issues
- Analyse business and technical requirements and derive test cases and test scenarios
- Create, maintain, and execute test plans, test cases, and test documentation
- Identify, analyse, document, and track software defects
- Verify bug fixes and perform regression testing before releases
- Ensure high-quality standards throughout the software development lifecycle
- Collaborate closely with business analysts, developers, product owners, and other stakeholders
Test Strategy & Continuous Improvement
- Define and maintain appropriate test coverage
- Contribute to quality metrics and quality assurance processes
- Support the optimisation of testing methodologies and tools
- Participate actively in Agile ceremonies and quality initiatives
Test Automation (Secondary Focus)
- Support existing test automation activities
- Create and maintain automated test cases where appropriate
- Contribute to CI/CD quality validation processes
Required Qualifications
Mandatory Requirements
- Higher education in Computer Science, Software Engineering, or a comparable qualification
- ISTQB Foundation Level certification or equivalent
- Several years of professional experience in software testing
- Strong hands-on experience in:
- Manual Testing
- Functional Testing
- Integration Testing
- System Testing
- End-to-End Testing
- Regression Testing
- Exploratory Testing
- Defect Management
- Quality Assurance
- Experience creating and executing structured test cases and test plans
- Strong analytical and problem-solving skills
- Good understanding of Agile software development methodologies
- Basic to intermediate experience in test automation
- Programming or scripting knowledge in Python, Java, C++, or a comparable language
- Fluent German (mandatory)
- Good English communication skills
Soft Skills
- Strong communication and stakeholder management skills
- Structured and analytical working style
- Team-oriented mindset
- Ability to explain technical topics to both technical and non-technical stakeholders
- High level of ownership and accountability
- Passion for software quality and continuous improvement
SThree_Germany is acting as an Employment Business in relation to this vacancy.