Senior Software Development Engineer In Test (Sr. SDET )

About Poshmark

Poshmark is a leading fashion resale marketplace powered by a vibrant, highly engaged community of buyers and sellers and real-time social experiences. Designed to make online selling fun, more social and easier than ever, Poshmark empowers its sellers to turn their closet into a thriving business and share their style with the world. Since its founding in 2011, Poshmark has grown its community to over 130 million users and generated over $10 billion in GMV, helping sellers realize billions in earnings, delighting buyers with deals and one-of-a-kind items, and building a more sustainable future for fashion. For more information, please visit www.poshmark.com, and for company news, visit newsroom.poshmark.com.

We seek a Senior Software Development Engineer In Test (Sr. SDET ) who will collaborate with stakeholders to define comprehensive test strategies and partner with developers, product managers, and QA teams to design, develop, and maintain robust automated testing frameworks and solutions.

You'll greatly impact the quality of Poshmark's growing products and services by creating the next generation of tools and frameworks that make our users and developers more productive. You will influence better software design, promote proper engineering practice, bug prevention strategies, testability, accessibility, privacy, and other advanced quality concepts across products.

Responsibilities

• Test Harnesses and Infrastructure: Design, implement, and maintain test harnesses and scalable testing infrastructure by writing high-quality code.

• Automation Frameworks: Build and extend automation frameworks using tools like Selenium and Appium, writing clean, reusable, and efficient code to enable reliable test execution.

• Product Quality Monitoring: Actively monitor product development and usage at all stages, using custom scripts or tools to identify areas for quality improvement.

• Collaborative Development: Partner with developers to write testable code, identify potential issues early in the development cycle, and integrate testing into CI/CD pipelines.

• Metrics and Reporting: Create and maintain automated solutions for tracking and reporting quality metrics, enabling data-driven decision-making.

6-Month Accomplishments

• Enhance Automation Framework: Collaborate with development teams to design and add new features to the automation framework, ensuring it evolves to meet project needs.

• Run and Debug Automation Tests: Perform regular automation tests across multiple platforms, debug and resolve issues, and ensure smooth execution of regression tests to maintain product stability.

• Improve Product Quality Metrics: Identify and resolve high-priority defects, reducing production issues and improving quality metrics such as defect density and cycle time.

12+ Month Accomplishments

• Build Testing Infrastructure: Set up scalable test harnesses and integrate them with CI/CD pipelines to enable continuous testing and faster feedback loops.

• Knowledge Sharing and Collaboration: Mentor team members in test automation best practices, introduce efficient coding standards and foster cross-functional collaboration for seamless delivery.

• Optimize Test Efficiency: Lead efforts to improve test execution time by optimizing automation scripts and implementing parallel testing, resulting in faster feedback cycles and more efficient releases.

Qualifications:

• 4 to 7 years of solid programming and scripting experience with languages such as Python and Java.

• Experienced in developing scalable test automation systems for web, mobile, and APIs using frameworks such as Appium, Selenium, and WebDriver.

• Strong time management and prioritization abilities, capable of working both independently and in a collaborative team environment.

• Proficient in writing clean, maintainable, and efficient code, with strong debugging skills

• Hands-on experience with tools such as Jira, Confluence, GitHub, Unix commands, and Jenkins.

• Skilled in all stages of automation, including GUI testing, integration testing, and stress testing.