Software Development Engineer in Test

Company: Align Technology, Inc.
Location: Campbell
Posted on: March 20, 2026

Job Description:

The Software Development Engineer in Test (SDET) will contribute to critical R&D software development projects that help the company innovate the aligner technology. The engineer should have sound Python automation background using various automation frameworks and concepts. This role will be part of Align goal to deliver our clear aligners (Invisalign ®), and 3D printed appliances (including Invisalign Palatal Expander appliances) to our customers. Depending on the skill and experience, this position can be altered into a more senior or junior level position. Role expectations • Help develop the next generation of smart virtual orthodontic software • Create test automation to perform functional, regression, performance and integration testing • Design and implement automated tests for research and development software • Modify and extend existing automation frameworks. Set up, configure and maintain test automation frameworks. Create and support new frameworks as needed • Implement / monitor regular test execution (new builds and regression), analyze the reports, follow-up, troubleshoot & investigate the failures on a daily basis • Analyze functional and non-functional software requirements, work with manual SQA Engineers to identify automation needs • Work closely with geographically distributed Automation team to follow new improvements, resolve issues, coordinate on process to deliver releases, enhance the overall processes • Research test tools, test methodologies and trends and upgrade existing practices and processes • Operate as part of a Scrum team focused on research and development • Participate in sprint planning, demo and retrospective • Work with development teams, biomechanical engineers and business owners, handle technical communications What were looking for • BS in CS or equivalent, master’s degree preferred, or equivalent years of experience • 5 years in Software Quality Assurance and development and/or test automation • 3 years Python programming experience related to QA test automation • Hands on experience in creating API test framework and in API level testing • Working experience with Agile methodology • Experience with Software Development methodologies and best practice Nice to Have • Familiarity with object oriented programming • Experience testing HTTP, and Messaging systems preferred • Experience in startup or research team is a plus • Experience with 3D software testing is a plus • Experience with the following tools is a plus: PyCharm, Visual Studio, Jira, Confluence, Bamboo, GIT, Jupiter notebook • Experience with AWS management services is a plus • Experience with testing Linux applications is a plus

Keywords: Align Technology, Inc., Napa , Software Development Engineer in Test, IT / Software / Systems , Campbell, California