Senior Test Development Engineer

WSA – Wonderful Sound for All; Singapore; On-site; SGD 70,000 - 110,000; Full time

Job summary

WSA – Wonderful Sound for All in Singapore seeks a Senior Engineer to lead Test Development, designing automated test systems for high‑volume manufacturing and production testing.

You will develop test software in C, C++, C#, WPF, and .NET Core, build test fixtures, analyze data, and drive improvements in yield, cycle time, and reliability.

Experience in medical devices or consumer electronics and NPI programs is highly valued; collaboration with suppliers and cross‑functional teams is essential.

Qualifications

• Degree in Electrical & Electronic Engineering or related field.
• 3–5 years in testing or manufacturing test development.
• Experience in high-volume manufacturing preferred.
• NPI experience desirable.
• Experience in medical devices or consumer electronics is an advantage.

Responsibilities

• Design, develop, integrate, validate, and maintain automated test systems for manufacturing.
• Develop test software applications using C, C++, C#, WPF, and .NET Core.
• Design and implement test fixtures, hardware interfaces, and related equipment.
• Analyze test methodologies to reduce cycle time and improve yield.
• Support NPI activities from concept to production deployment.
• Provide troubleshooting and technical support for test systems.
• Create and maintain test documentation and compliance records.

Skills

Test development

Problem solving

Cross-functional collaboration

Education

Bachelor's degree in Electrical & Electronic Engineering

Tools

C

C++

C#

WPF

NET Core

Job description

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 are seeking a highly skilled Senior Engineer to lead our Test Development efforts. In this critical role, you will be responsible for designing, developing, and integrating innovative testing systems and software to ensure the quality and reliability of our products.

Your expertise will directly impact operational goals, ensuring timely production support and successful product launches. You will work with cross-functional teams to solve complex engineering issues and drive improvements in our production test methodologies.

What you will do

Test System Development

• Design, develop, integrate, validate, and maintain automated test systems and software for manufacturing and production testing.
• Develop and support manufacturing test solutions for high-volume production environments.
• Develop and maintain test software applications using C, C++, C#, WPF, and .NET Core technologies.
• Develop test algorithms, automation tools, and data analysis applications to improve test effectiveness and manufacturing performance.

Hardware and Fixture Development

• Design and implement test fixtures, hardware interfaces, jigs, and related test equipment.
• Ensure test systems meet product specifications, reliability targets, and manufacturing requirements.
• Collaborate with suppliers and vendors in the development, maintenance, and optimization of test hardware and fixtures.

Process Improvement and Optimization

• Analyze existing test methodologies, systems, and workflows to identify opportunities for improvement.
• Drive continuous improvement initiatives focused on:
  • Reducing test cycle time
  • Improving manufacturing yield
  • Increasing automation
  • Enhancing test coverage and reliability
• Implement solutions that improve productivity, quality, and operational efficiency.

New Product Introduction (NPI)

• Develop, qualify, and validate manufacturing test systems for new products.
• Support NPI activities from concept through production deployment.
• Ensure test solutions are production-ready and meet manufacturing performance requirements.

Troubleshooting and Technical Support

• Provide technical support for test-related manufacturing issues and production challenges.
• Perform debugging, troubleshooting, and root cause analysis on software, hardware, and integrated test systems.
• Drive corrective and preventive actions to improve system stability and product quality.

Documentation and Compliance

• Create and maintain technical documentation, including:
  • Test specifications
  • Validation and verification plans
  • Test reports
  • Work instructions
  • Maintenance procedures
• Ensure documentation complies with company quality standards and engineering processes.

What you bring

Experience

• Degree in Electrical & Electronic Engineering or a related field.
• 3- 5 years of relevant working experience in a testing or manufacturing test development, test engineering, or related engineering disciplines.
• Experience in high-volume manufacturing environments is preferred.
• Experience supporting New Product Introduction (NPI) programs is highly desirable.
• Experience in medical devices, hearing aids, consumer electronics, or related industries is an advantage.