Software Quality Assurance Engineer Jobs in Bothell, WA

Throne is a fast growing Series B startup transforming public infrastructure by delivering clean, safe, smart restrooms to cities, transit agencies, and public spaces. With flagship customers like LA Metro, Caltrain, Berkeley, Ann Arbor, Beverly Hills and Washington DC, we're rapidly scaling and preparing for multi-city expansion in 2026 - 2027.

We recognize an unspoken problem: that better bathroom accommodations are sorely needed in most cities. Public and retail bathrooms are neither positioned to meet demand, nor incentivized to provide the quality experience people deserve.

Our mission is to provide peace of mind to the millions of people who set out on an adventure on any given day. That adventure may be big or small. It may involve taking your toddler to the park, driving a stranger to the airport, running a half marathon, or exploring a new city for the first time.

Throne Labs is looking for a full-time Software Quality Assurance Engineer to be a crucial member of Throne's Software and R&D Engineering Teams. Thrones are proprietary technology which include mechanical components, smart plumbing, smart HVAC, various sensors, actuators, and on-board processing systems, cellular connectivity and a solar/battery driven power system. Software QA Engineer will be contributing into establishing QA/QC processes, improving time-to-market and maintaining high quality of our custom firmware and software solutions for internal Staff, and external Users and Partners.

You'll work closely with Throne's extended team, consisting of start-up veterans, creative innovators, and portable sanitation experts. We are passionate about defining Throne as the reliably clean option at some of life's most stressful moments. We are ruthless about results, relentless about improvement, and we value diversity, inclusion, and having fun.

The base salary range for this position is $100,000 - $130,000. Actual compensation will depend on a candidate's applicable experience, skills, and geographic location. This role is also eligible for a comprehensive benefits package, including equity.

At Throne You Will:

• Work closely with the product and engineering teams to understand and collect business requirements.
• Participate in test efforts estimation.
• Design test cases, checklists and scenarios for different test levels and types using test design techniques.
• Conduct manual testing of firmware and software to ensure products and features perform according to the requirements and contribute to a lovable user experience.
• Perform integration testing of hardware/firmware/software components and communicate issues to the relevant teams, ensuring seamless collaboration across departments.
• Investigate logs, identify and localize issues on production and QA environments.
• Provide traceability/test coverage information, contribute to the Test Plan.
• Setup/maintain QA test environment.
• Optimize testing, considering different contexts and different constraints, by applying various testing practices, utilizing AI and other tools for test and process automation.
• Contribute to technical and testing documentation creation and maintenance.

We Are Looking For:

• Solid knowledge in software quality assurance with a minimum 4 years of relevant commercial experience.
• Experience with mobile, web front-end and back-end testing (API, database testing).
• Understanding of cloud-based architecture and hands-on experience with AWS tools and services (e.g. Lambda, CloudWatch).
• Understanding of specifics of micro-services and serverless architecture.
• Familiarity with observability and monitoring tools (e.g. Datadog, Grafana, Sentry, OpenSearch, or similar).
• Hands-on experience using AI-assisted tools for test case generation, log analysis, or automation (e.g. GitHub Copilot, ChatGPT, Claude, Testim, or similar).
• Experience with test automation (JavaScript or TypeScript).
• Willingness to work in a startup lab environment in an active R&D phase.
• Tolerance to changing requirements and priorities, and context switching between different products.
• Ability to communicate effectively with on-site and remote teams, and explain technical concepts and issues to less tech savvy colleagues.
• Proactiveness in giving feedback and improving existing processes.
• Awareness of security testing fundamentals and/or accessibility standards (WCAG) is a plus.
• Experience with performance testing is a plus.
• Experience with testing of IoT and hardware products is a plus.

• Medical Insurance, including plan options with 100% employer-paid premiums
• Dental Insurance
• Vision Insurance
• Meaningful Series B Equity
• 401(k) Plan
• Paid Time Off (PTO)
• Employee Assistance Program (EAP) and National Discounts
• Paid Sick Leave
• Short and Long-Term Disability Insurance
• Life, Dependent Life, and AD&D Insurance
• Employer-Paid Basic Life Insurance
• Worker's Compensation Coverage
• Legal Insurance

Benefits offered to full-time and part-time employees may vary by State.

Throne is a proud Equal Opportunity Employer, and we are committed to pursuing and hiring a diverse workforce. We believe that every person has a right to equal employment opportunities without discrimination, and that diversity contributes to the overall health of the organization. We do not discriminate based on race, color, national origin, ancestry, citizenship status, religion, sex, sexual stereotyping, sexual orientation, gender, gender identity, gender expression, age, marital status, mental or physical disability, medical condition, genetic information, military or veteran status, pregnancy (which includes pregnancy, childbirth, and medical conditions related to pregnancy, childbirth, or breastfeeding), or any other protected characteristic. Employment may be contingent upon Throne's receipt of an acceptable and job-related drug test, motor vehicle report, and/or background check, as applicable and permissible by law.

Throne provides reasonable accommodations to qualified individuals with disabilities and for sincerely held religious beliefs, as applicable by law. If you require an accommodation, please contact us at careers[at] thronelabs.co