Staff Software Development Engineer

As a Staff Software Development Engineer in Test (SDET) - Performance Engineering, 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.

Your work directly supports accessible, dependable solutions that positively impact the communities BECU serves.

To join our dynamic team, we require candidates to be residents of WA, OR, ID, AZ, TX or CA. If you’re located in Washington state and within a reasonable driving distance from Tukwila, we are requesting that 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.

WHAT YOU’LL DO:

• Lead Test Strategy & Execution: Develop inclusive, scalable test strategies, automation frameworks, and performance tools that empower engineering teams across web, mobile, and data environments.
• Advance Performance Engineering: Analyze system behavior, performance patterns, and load models to identify opportunities for improving scalability, testability, and overall reliability.
• Lead Performance Testing Initiatives: Guide performance engineering efforts, interpret results, identify patterns, and collaborate across teams to resolve issues with clarity and accuracy.
• Share Knowledge & Foster Learning: Contribute to internal learning sessions, technical discussions, and community knowledge sharing to support continuous education and collaboration.
• Establish Technical Standards: Review test and automation code for quality and consistency, contribute to engineering standards, and help maintain best practice testing guidelines.
• Mentor & Support Engineers: Provide constructive, skills focused coaching to SDETs and engineers through code reviews, test design discussions, and knowledge sharing.
• Enhance CI/CD Quality: Strengthen automated test reliability within CI/CD pipelines, identifying opportunities to optimize build feedback and execution stability.
• Champion Quality Culture: Advocate for performance and end to end testing practices that improve overall product quality and promote shared ownership across engineering teams.
• Support Technical Growth & Innovation: Provide guidance and expertise across engineering initiatives, contributing to improved processes, tools, and testing efficiency.
• Engage in Broader Team Efforts: Contribute to team goals and evolving initiatives with a collaborative, community-oriented mindset.

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.

WHAT YOU’LL GAIN:

• Opportunities for Influence: The ability to shape engineering quality and performance practices across multiple teams and technical domains.

• Deep Technical Development: Growth in areas such as performance engineering, automation frameworks, distributed systems, cloud platforms, and scalable test architecture.

• Collaborative Leadership: Frequent opportunities to mentor peers, contribute to learning communities, and influence strategic technical direction.

• Supportive Innovation Culture: A space where diverse perspectives are welcomed, new ideas are encouraged, and experimentation is supported.

• Modern Tools & Environments: Hands-on experience with cloud platforms, CI/CD ecosystems, automation frameworks, performance orchestration tools, and a broad mix of programming languages.

• Community-Focused Mission: The chance to contribute to technology that supports the financial well-being of BECU’s members and communities.

• Bachelor’s degree in computer science or related discipline, or equivalent work experience.

• Minimum seven years of hands-on experience with programming and scripting languages to support performance frameworks like JMeter, C#, Python or JavaScript/Typescript (or other languages) performing software development/QA in a polyglot environment.

• 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 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 performing code reviews, pull requests, and following branching standards such 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, integration testing and performance 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., Apache JMeter, Application Programming Interface (API), Asset Management, Automation, Best Practices, Business Transformation, Case Management, Cloud Computing, Coaching, Code Reviews, Computer Science, Continuous Deployment/Delivery, Continuous Integration, Customer Experience, Distributed Computing, Ecosystems, Git, Integration Testing, JavaScript, Leadership, Load Testing, Mentoring, Microsoft C# (C Sharp), Microsoft Exchange Server, Microsoft Windows Azure, Mobile Applications, NoSQL, People Management, Performance Engineering, Performance Testing, Performance Tuning/Optimization, Philosophy, Problem Solving Skills, Process Improvement, Programming Languages, Python Programming/Scripting Language, Quality Assurance Methodology, Quality Engineering, Quality Management, Relational Databases (RDBMS), Reliability Testing, SQL (Structured Query Language), Scalable System Development, Scripting (Scripting Languages), Software Administration, Software Design for Test (SDET), Software Engineering, Software Testing, Strategic Planning, System Test, Systems Analysis, Team Player, Technical Strategy, Technical Support, Test Automation, Test Case, Test Design, Test Plan/Schedule, Test Strategy, Testability, Testing, Tuition Reimbursement, Unit Test, User Documentation, Work From Home

The Target Pay Range for this position is $141,800.00-$173,300.00 annually. The full Pay Range is $110,100.00 - $204,900.00 annually. At BECU, compensation decisions are determined using factors such as relevant job-related skills, experience, and education or training. Should an offer for employment be made, we will consider individual qualifications. In addition to your salary, compensation incentives are available for the hired applicant. Incentives are performance based and targets vary by role.

BENEFITS - because people helping people starts with supporting you

• 401(k) Company Match (up to 3%)
• 4% annual contribution to your 401(k) by BECU
• Medical, Dental and Vision (family contributions as well)
• PTO Program + Exchange Program
• Tuition Reimbursement Program
• BECU Cares volunteer time off + donation match

Title: Staff Performance Engineer - SDET Organization: Boeing Employees’ Credit Union Description:

Is it surprising to hear that a financial institution of 1.5 million members and over $30 billion in managed assets say that success comes from focusing on people, not profits?

Our “people helping people” philosophy has guided us since 1935, driving our deep commitment to serving our members, communities, and each other. When you join our team, you become part of a purpose-driven organization where your work makes a real difference.

While we’re proud of our history, we’re even more excited about our future. With business and technology transformation on the horizon, there’s never been a better time to be part of BECU., Ready to contribute to meaningful technical progress? Interested in being part of a collaborative and innovative team where your ideas and contributions support BECU’s growth and success? This is more than a role-it’s an opportunity to advance your skills, expand your impact, and help strengthen BECU’s technology landscape.