Senior Software Test / Validation Engineer

aac technologies pte. ltd.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

AAC Technologies Pte. Ltd. in Singapore seeks an experienced Software Test Engineer to develop comprehensive test strategies and validation procedures for semiconductor software applications.

You will design automated test frameworks, validate ML and image processing components, perform system integration testing with manufacturing equipment, and drive CI/CD integration to improve release quality. Required: 5+ years in software testing, strong Python/C++/C#, and familiarity with PyTest,

Qualifications

• Bachelor's or Master's in CS, EE, semiconductor or related fields.
• ≥5 years in Software Testing/QA/SDET, preferably in semiconductor or industrial automation.
• Proficient in Python, C++, or C#, with hands-on test automation experience.
• Knowledge of CI/CD, Linux, SQL, and large-scale data handling.
• Familiarity with SECS/GEM or hardware-software integration is a plus.
• ISTQB or equivalent certification preferred.

Responsibilities

• Develop test strategies, plans, cases and validation procedures.
• Design and maintain automated test frameworks for software controlling hardware.
• Perform system-level integration testing with manufacturing equipment.
• Validate image processing and ML algorithms for wafer defect detection.
• Conduct functional, regression, stress and performance testing.
• Investigate defects and perform root-cause analysis with cross-functional teams.
• Integrate automated testing into CI/CD pipelines to improve release quality.
• Prepare test reports and drive continuous improvements in testing processes.

Skills

Python

C++

C#

Test automation

SDET

PyTest

Selenium

Jenkins

Git

CI/CD

Linux

SQL

OpenCV

Education

Bachelor's or Master's in CS/EE/SE/Materials Science

Tools

PyTest

Selenium

Jenkins

Git

OpenCV

Job description

Key Responsibilities

• Develop comprehensive test strategies, test plans, test cases, and validation procedures for semiconductor software applications.
• Design, develop, and maintain automated test frameworks to validate hardware control software, APIs, and data processing pipelines.
• Perform system-level integration testing to verify communication between software applications and semiconductor manufacturing equipment.
• Validate image processing and machine learning algorithms used for wafer defect detection, classification, and analysis.
• Conduct functional, regression, stress, and performance testing to ensure software stability and reliability.
• Investigate software defects, perform root cause analysis, and collaborate with cross-functional engineering teams to resolve issues.
• Integrate automated testing into CI/CD pipelines to improve software development efficiency and release quality.
• Prepare test reports, document validation results, and drive continuous improvements in software testing processes.

Requirements

• Bachelor's or Master's Degree in Computer Science, Electrical Engineering, Semiconductor Engineering, Materials Science, or a related field.
• At least 5 years of experience in Software Testing, Software QA, Software Validation, or SDET, preferably in the semiconductor or industrial automation industry.
• Proficient in Python, C++, or C#, with hands-on experience in test automation frameworks and tools such as PyTest, Selenium, Jenkins, and Git.
• Good understanding of software testing methodologies, test automation, defect management, CI/CD, Linux, SQL, and large-scale data handling.
• Knowledge of semiconductor manufacturing processes, wafer inspection, metrology, SECS/GEM protocols, or hardware-software integration is an advantage.
• Familiarity with computer vision or image processing technologies (e.g., OpenCV) and hardware simulation environments is a plus.
• ISTQB certification or equivalent testing certification is preferred.