As a Staff Software Development Engineer in Test (SDET), you will contribute to shaping the future of quality and performance engineering at BECU. You’ll apply your technical expertise to help teams build reliable, scalable, and secure software that supports meaningful experiences for BECU members. Your leadership in performance engineering, test strategy, and automation will help elevate engineering practices, streamline delivery, and strengthen the technology ecosystem across the organization. Ifyou’relocatedin Washington state and within a reasonable driving distance from Tukwila, we arerequestingthat you come into our HQ on Tuesdays & Wednesdays.For those candidates that live outside the commute distance of TFC and in any of our approved remote work locations, this role will be remote. Remote or onsite, we are committed to ensuring you are fully engaged and included in our collaborative environment.**Share Knowledge & Foster Learning:** Contribute to internal learning sessions, technical discussions, and community knowledge sharing to support continuous education and collaboration.: Provide constructive, skills focused coaching to SDETs and engineers through code reviews, test design discussions, and knowledge sharing.This isn’t just about completing tasks. It’s about contributing to BECU’s ongoing journey, where your expertise is valued, your insights matter, and your growth is continuously supported. The ability to shape engineering quality and performance practices across multiple teams and technical domains. Hands-on experience with cloud platforms, CI/CD ecosystems, automation frameworks, performance orchestration tools, and a broad mix of programming languages.**QUALIFICATIONS:****Minimum Qualifications** Bachelor’s degree in computer science or related discipline, or equivalent work experience. Minimum seven years of experience designing test plans, cases and writing automated tests in a team environment, including performance testing practices. Minimum two years of experience testing applications and services with security automation frameworks. Minimum seven years of hands-on experience with programming and scripting languages such as C#, Python or JavaScript/Typescript (or other languages) performing software development/QA in a polyglot environment, including scripting to support performance frameworks like JMeter. Minimum seven years of experience with continuous integration systems and test case management tools. Proficiency with test frameworks such as Nunit, MSTest, Xunit, Selenium, Playwright or Gherkin. Experience with public cloud (Azure/AWS/Google Cloud) technologies. Experience using git, including performingcode reviews,pull requests, and following branching standardssuch as Git Flow or Trunk-Based Development. **Desired Qualifications** Demonstrated strong understanding and experience in performance Engineering and QA methodologies for web, API and mobile applications releases. Working knowledge of containers and performance engineering orchestration platforms like Blaze Meter, Octoperf or Azure Load test.Demonstrated experience in unit testing,integrationtesting andperformance testing. Demonstrated experience testing for performance optimization and scalability. * Demonstrated experience with relational and non-relational database structures. Able to understand and construct SQL queries, and NoSQL queries. Bring your experience, curiosity, and commitment to continuous learning. Apply today and join us in building accessible, reliable, and future ready solutions. **Job Alerts:** If you would like to be kept informed of new potential opportunities, . You will be asked to create an account if you do not already have one.From our very beginning, BECU has been about people helping people. As a financial services cooperative, our purpose has and always will be the same: we work together to best serve our members and improve the financial well-being of our community. With 90 years and over one million members later, we're still rooted in our values, practices and mission - and even more passionate about our future.As one of the nation's leading credit unions, we're not driven by profit. We're owned by our members and their interests are at the core of everything we do. Now we're growing faster than ever before--but we'll never forget our roots. To continue doing right by our members, we believe we must first do right by our people. Here, you'll receive the resources and support you need to learn, grow and build a meaningful career. Because we know it's our people who make us special. #J-18808-Ljbffr