Senior Software/Firmware Test Engineer

LIFE TECHNOLOGIES HOLDINGS PTE. LTD.; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

Thermo Fisher Scientific is seeking a Software Test Engineer III to design, execute, and automate tests for software supporting scientific instruments. You will verify quality across embedded systems, APIs, and GUI workflows, collaborating with developers and product teams to ensure robust releases.

The role emphasizes test planning, scripting in PyTest, Postman API testing, and working in a Linux environment to support mass spectrometers and imaging systems.

Qualifications

• Advanced degree or Bachelor's with significant testing experience.
• Proven experience in both manual and automated software testing.

Responsibilities

• Design and execute comprehensive test plans for software used in analytical instruments.
• Develop automated test procedures to improve coverage and efficiency.
• Document defects clearly and verify resolutions with cross-functional teams.
• Collaborate with developers, product owners and stakeholders to ensure high-quality software release.

Skills

Problem solving

Analytical skills

English communication

Cross-functional teamwork

Test documentation

Linux proficiency

Python programming

Education

Advanced degree

Bachelor's degree

Tools

PyTest

Squish

Git

Jenkins

Postman

JIRA

HPALM

Job description

As part of the Thermo Fisher Scientific team, you’ll discover meaningful work that makes a positive impact on a global scale. Join our colleagues in bringing our Mission to life every single day to enable our customers to make the world healthier, cleaner and safer. We provide our global teams with the resources needed to achieve individual career goals while helping to take science a step beyond by developing solutions for some of the world’s toughest challenges, like protecting the environment, making sure our food is safe or helping find cures for cancer.

DESCRIPTION:

Join our team at Thermo Fisher Scientific, where you’ll help develop and test software for scientific instruments and laboratory solutions. As a Software Test Engineer III, you’ll ensure the quality and reliability of our software products through comprehensive testing strategies. Working in an adaptable environment, you’ll collaborate with teams to validate software for mass spectrometers, electron microscopes, and other analytical instruments that help make the world healthier, cleaner, and safer.

You’ll participate in all phases of the software development lifecycle, from requirements analysis through final release. Your role includes designing and executing test plans, automating test procedures, documenting defects, and verifying resolutions. You’ll work closely with developers, product owners, and stakeholders to ensure our software meets the highest quality standards while supporting continuous improvement in our testing processes.

REQUIREMENTS:

• Advanced degree plus 3 years of experience, or Bachelor's degree plus 5 years of experience in software testing, including both manual and automated testing
• Strong knowledge and expertise inembedded system/hardware
• Preferred Fields of Study: Computer Science, Engineering, Electronics, or related field
• ISTQB certification advantageous
• Strong experience with test automation tools and frameworks (e.g. PyTest, Squish)
• Proficiency in programming languages such as Python
• Experience with version control systems (Git) and CI/CD tools (Jenkins)
• Expertise in API testing using tools like Postman or similar
• Strong knowledge of software testing methodologies and best practices
• Experience with test management tools (JIRA, HPALM)
• Strong problem-solving and analytical skills
• Strong verbal and written communication abilities in English
• Ability to work effectively in cross-functional teams
• Experience with bug tracking systems and defect lifecycle management
• Proven ability to manage multiple projects and priorities
• Hands-on experience working in Linux operating system environments
• Strong documentation skills for test plans, test cases, and technical reports
• Experience with acoustic imaging cytometry instruments or testing of laser-based and imaging systems is highly desirable