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Senior Software Engineer II, Backend

Poshmark · US California (Redwood City) - Office · On-site

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About Poshmark

Buy, sell, and discover fashion, home decor, beauty, and more. Backed by Menlo.

About the role

Design, develop, test, deploy, and operate scalable backend services that support Poshmark’s marketplace. Independently own complex, well-defined technical initiatives from requirements and design through production rollout and ongoing support.

What they're looking for

  • Bachelor’s or Master’s degree in Computer Science, Engineering, or a related technical discipline, or equivalent practical experience
  • 7+ years of professional software engineering experience, including experience building and operating production backend systems
  • Strong foundation in computer science fundamentals, including data structures, algorithms, object-oriented design, and software design principles
  • Proficiency in at least one backend programming language such as Ruby, JRuby, Java, or a comparable language
  • Experience designing, developing, and maintaining APIs and backend services
  • Experience working with distributed systems and understanding their scalability, reliability, and performance considerations
More about this role

Poshmark is the leading fashion marketplace where style comes alive through discovery, self-expression, and human connection. Powered by a vibrant community of 165 million members, Poshmark brings real people and taste to shopping through a social experience shaped by shared discovery. Buying and selling fashion feels simple, joyful, and personal, while every item tells its own story. Poshmark empowers sellers to grow meaningful businesses, keeps fashion in circulation longer, and gives shoppers access to unique and trusted finds, from everyday pieces to one-of-a-kind vintage and luxury.

Poshmark is looking for a Senior Software Engineer II to join our Core Platform team and build reliable, scalable, and high-performance backend systems that power our marketplace.

In this role, you will independently own complex backend features and services from technical design through production. You will solve challenging engineering problems across distributed systems, make thoughtful technical trade-offs, and work closely with Product, QA, Infrastructure, and other engineering teams.

You will also contribute to technical design discussions, mentor junior engineers, and help improve the...

Read the full posting on Poshmark's site ↗

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