
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.
About the role
We are looking for a Lead Software Development Engineer In Test (Lead SDET) who will define, design, and drive the automation and quality engineering strategy across Poshmark. You will take a hands-on leadership role in building scalable test automation frameworks and infrastructure while partnering closely with Engineering, Product, and QA Engineering teams.
You will have a significant impact on the quality of Poshmark’s growing products and services by creating the next generation of tools and frameworks that enable faster development, better testability, and higher confidence releases. You will influence software design, promote strong engineering practices.
Responsibilities
- Test Harnesses and Infrastructure: Design, implement, and maintain scalable test harnesses and testing infrastructure for web, mobile (iOS & Android), and APIs. Own the long-term architecture and evolution of automation frameworks. Leverages AI-assisted tools to improve test design, increase automation coverage, and reduce manual effort across web, mobile, and API testing.
- Automation Framework Leadership: Lead the design, enhancement, and optimization of automation frameworks using tools such as Selenium, Appium, Postman, and AI-driven solutions. Ensure frameworks are reliable, maintainable, and scalable, while establishing and enforcing strong coding and testing standards through regular code reviews.
- Product Quality and Engineering Partnership: Actively monitor product development and usage to identify quality gaps and risks. Partner with developers to improve testability, prevent defects, and integrate testing early in the development lifecycle. Embed automation into CI/CD pipelines to enable continuous testing and rapid feedback
- Metrics, Reporting, and Continuous Improvement: Define and track quality metrics such as automation coverage, defect trends, and execution stability. Create automated reporting solutions to support data-driven quality decisions. Continuously improve testing processes, tools, and workflows across teams
- Leadership and Mentorship: Mentor and guide the team on automation best practices and framework design, while translating complex initiatives into clear, actionable goals that enable effective execution.
6-Month Accomplishments
- Stabilize and enhance existing automation frameworks to improve reliability and execution consistency
- Uses AI-driven insights to continuously optimize test coverage, execution efficiency, and defect detection effectiveness.
- Collaborate with development teams to add new capabilities to the automation framework
- Ensure regular, stable execution of regression tests across multiple platforms
- Identify and resolve high-impact quality issues early in the development cycle
12+ Month Accomplishments
- Establish a scalable, future-ready automation architecture deeply integrated with CI/CD pipelines
- Guide the team in adopting AI-assisted testing practices that complement existing automation frameworks and quality processes.
- Lead efforts to optimize test execution time through parallelization and smarter automation strategies
- Mentor and grow a high-performing automation team with clear technical standards
- Drive measurable improvements in product quality and reduction of production defects
Qualifications
- 7+ years of experience in software testing with a strong focus on test automation
- 4+ years of hands-on programming experience using languages such as Python or Java
- Proven experience designing and scaling automation systems for web, mobile, and APIs
- Strong expertise with frameworks and tools such as Appium, Selenium, WebDriver, and CI/CD systems
- Experience across all phases of automation including GUI and integration.
- Hands-on experience with Jira, Confluence, GitHub, Unix commands, and Jenkins
- Excellent communication, problem-solving, and technical leadership skills

About Poshmark
About
The Story
Founded in 2011, Poshmark started with a simple yet powerful idea in Manish Chandra's garage. Along with co-founders Tracy Sun, Gautam Golwala, and Chetan Pungaliya, Chandra envisioned a platform that would revolutionize how people buy and sell fashion. The inspiration came from seeing the potential of the iPhone 4 to create meaningful connections in the shopping experience.
What They Do
Poshmark is not just another e-commerce platform – it's a social marketplace that brings together shopping and community. Think of it as a place where social media meets shopping, allowing users to buy, sell, and discover fashion, home goods, and accessories. With over 80 million users , the platform has become a go-to destination for both casual sellers and entrepreneurial individuals looking to build their own digital boutiques.
Growth & Achievements
- Started as a fashion-only platform and successfully expanded into home goods and electronics
- Raised over $160 million in venture funding
- Achieved a successful IPO in January 2021
- Recently launched innovative features like AI-powered visual search and livestream shopping
- Built a vibrant community of millions of buyers and sellers across the country
Today, under CEO Manish Chandra's leadership, Poshmark continues to innovate in the social commerce space, blending technology with community to create a unique shopping experience. The platform's success story is a testament to how combining social connections with commerce can create a powerful marketplace that resonates with modern consumers.
Candid answers by the company
Poshmark is a social commerce marketplace where people buy and sell fashion, home goods, and accessories. The platform combines social media features with e-commerce, allowing users to create digital boutiques while engaging in an interactive, community-driven shopping experience.
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