Senior C# Developer (Automation Tooling)

Driven by the passion to improve quality of people’s lives, WSA continues to grow as market leader in the hearing aid industry. With our commitment to increase penetration in an underserved hearing care market, we want to accelerate our business transformation in order to reach more people, more effectively.

We’re looking for a Senior C# Developer to design, build, and maintain scalable test automation tooling/ frameworks and ensure reliable automated testing across environments through close collaboration with QA and development teams.

What you will do

Development and Maintenance of Automation Frameworks

• Build scalable and modular frameworks to support efficient test script creation

• Design and implement reusable libraries and components to accelerate test script development

• Ensure automated tests run reliably during build, deploy and release cycles

• Build custom test automation tools, frameworks and utilities to support automated testing across CI/CD pipelines

• Ensure the frameworks support multiple testing types, such as UI, API and integration testing

• Refactor code, parallelize tests and optimize tool usage to reduce test runtime

• Architect scalable, modular and maintainable frameworks that support rapid and reliable test script creation.

Test Execution, Optimization and Maintenance

• Ensure automated tests run reliably and consistently during build, deployment, and release cycles

• Monitor test runs, track pass/fail trends, identify flaky tests and escalate defects when necessary

• Investigate, debug and fix issues in test scripts or automation tools to maintain test stability

• Troubleshoot automation failures and tooling issues promptly to minimize disruption

• Continuously refactor test automation code to improve readability, maintainability and performance

• Implement parallel test execution and optimize tool usage to reduce overall test runtime and resource consumption.

Collaboration with QA and Development Teams

• Understand testing requirements

• Gather feedback and deliver automation tools or enhancements that support test strategy and development workflows

• Aligned with team goals and contribute to sprint deliverables.

Environment Setup and Tool Configuration

• Configure and maintain testing environments, ensuring all automation tools are correctly integrated and functional

• Monitor environment health and address any configuration-related failures that impact automation reliability

• Collaborate with DevOps and infrastructure teams to optimize environment performance and troubleshoot setup issues.

What you bring

• Bachelor's degree in Computer Science or related fields

• 5+ years of relevant working experience as Automation Tooling Engineer

• Strong programming skills in one or more languages (e.g. C#, MSSQL, Python, Typescript, Powershell)

• Experience with test automation frameworks (e.g. Appium, Playwright, JUnit, NUnit, NSubstitute, FluentAssertions, BDD)

• Knowledge of API will be an added advantage

• Experience with Azure DevOps will be an added advantage

• Experience with performance/ load testing tools (e.g. JMeter, K6)

• Experience in service virtualization and test data management

• Knowledge of security and compliance testing tools is a plus.

Who we are

At WSA, we provide innovative hearing aids and hearing health services.

Together with our 12,000 colleagues in 130 countries, we invite you to help unlock human potential by bringing back hearing for millions of people around the world.

With us, you will become part of a truly global company where we care for one another, welcome diversity and celebrate our successes.

Sounds wonderful? We can't wait to hear from you.

WSA is an equal-opportunity employer and committed to creating an inclusive employee experience for all. Regardless of race, color, religion, national origin, age, sex, gender, gender identity, gender expression, sexual orientation, marital status, medical condition, ancestry, disability, military or veteran status we firmly believe that our work is at its best when everyone feels free to be their most authentic self.