Software Test Engineer II

Sigma Design • Kirkland, WA

1d • $54 - $81 • Hybrid

About The Position

Sigma Design has collaborated with a leading Electronics Manufacturing company seeking an experienced Software Test Engineer II to join their facility in Kirkland, WA. This company delivers commercial radar solutions for end users and integrators in Government and Defense, Critical Infrastructure Protection, Uncrewed Aircraft Systems (UAS), and Autonomous Vehicle markets globally. This position is contract-to-hire.

Requirements

• 3+ years of experience in software testing, QA engineering, or test engineering roles, with a focus on web applications and RESTful APIs
• Experience validating feature-level behavior and cross-component workflows
• Solid understanding of software testing principles, methodologies, and test design techniques
• Experience with UI and API test automation, including writing and maintaining automated tests (Python preferred)
• Experience working in environments with hardware and software dependencies
• Practical knowledge of Linux environments, Git workflows, and CI/CD concepts
• Understanding of software development practices, defect investigation, and root cause analysis
• Compliance (background check, ITAR, vaccine, etc.)
• ITAR - Permanent resident of the United States (“U.S. person” as defined by ITAR)
• Background - Pass a post-offer background verification.

Responsibilities

• Design, execute, and maintain software test scenarios for complex web-based applications and APIs
• Analyze product requirements and architecture to contribute to test strategies, coverage, and acceptance criteria for our user interfaces and backend services
• Develop and maintain test plans, test cases, and test reports; manage defects through resolution
• Perform manual UI and API testing, as well as exploratory testing, to identify product risks, edge cases, and failure modes
• Build and maintain automated tests where they provide clear value, contributing to existing frameworks using Python, Playwright, and Selenium
• Collaborate with software development, product, and firmware teams to improve testability and overall quality
• Support test environments, automation infrastructure, and test execution across projects and releases
• Promote strong testing practices and a quality-first mindset, participating in peer reviews and knowledge sharing

Benefits

• Multiple options for medical insurance and dental insurance including some with FSA and HSA
• 401(k) with up to 4% company match
• 15-days of accrued PTO and 9 company paid holidays
• Quarterly bonus program
• Voluntary benefits: vision, long-term disability, and life insurance

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed