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Poshmark is a mobile-first social marketplace for fashion, home decor, beauty products, accessories, and other new and secondhand goods. Its iOS and Android apps let individuals list items from their phones, share listings socially, and discover products through community features such as Posh Parties. The platform also supports prepaid shipping labels, buyer protection, and authentication for high-value items, combining consumer e-commerce with social shopping and peer-to-peer selling.
Software Engineer II, Core Infrastructure (Hybrid, Redwood City)
Build full-stack experiences for sellers on Poshmark’s fashion marketplace, spanning listing, order, and inventory workflows. Develop scalable frontend interfaces and backend services that support reliable seller operations.
Description
- Create and maintain full-stack capabilities for seller workflows such as listing, order, and inventory management.
- Develop responsive, accessible, high-performance interfaces with modern frontend frameworks.
- Build and support backend services and APIs for seller-facing functionality.
- Work with peers and senior engineers to deliver scalable, maintainable systems across the stack.
- Produce clean, documented, well-tested code aligned with engineering best practices.
- Take part in code reviews and apply feedback to improve implementation quality.
- Diagnose and resolve production issues across frontend and distributed backend systems.
- Enhance development processes, tooling, and team workflows.
- Build expertise in the seller pod’s codebase, tools, and technology stack.
- Deliver production-ready full-stack features with support from senior engineers.
- Own small- to medium-sized components and features through completion.
- Partner with Product, QA, and Design to deliver features.
- Independently take full-stack work from design through production.
- Support client- and server-side performance and scalability improvements.
- Build knowledge of system architecture and use data to guide technical decisions.
- Contribute to technical discussions and initiatives that improve reliability, usability, and efficiency.
- Provide mentorship to interns and new hires.
Requirements
- Bring 2–4 years of professional full-stack software engineering experience, including internships.
- Understand computer science fundamentals such as data structures, algorithms, and software design.
- Use a modern frontend framework such as React, Vue, or Angular.
- Demonstrate strong HTML, CSS, and JavaScript or TypeScript skills.
- Work proficiently in at least one backend language, including Ruby, Java, JavaScript, or Python.
- Know RESTful APIs, SQL or NoSQL databases, and caching or message-queue systems.
- Have experience creating responsive, user-facing web applications.
- Show interest in cloud technologies such as AWS or GCP and scalable system design.
- Hold a bachelor’s degree in Computer Science or a related field, or have equivalent practical experience.
- Be collaborative, curious, and motivated to learn and grow in a fast-paced environment.
- Be able to work from the Redwood City office three days per week and be legally authorized to work in the United States.
- benefits
Benefits
- The posting does not specify benefits, perks, or additional compensation.
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