Software Engineer II - Core Infrastructure

US California (Redwood City) - OfficeFull-time2026-10-08 → 2026-10-09

Core

Build end-to-end experiences for sellers to list, manage, and grow their businesses on the Poshmark marketplace, covering both frontend interfaces and backend services.

Role type

Full Stack Software Engineer

Builds

Seller-facing web applications and backend APIs for listing, inventory, and order management (via careerplan.io/jobs/89b69b74-19d8-4f60-b38c-fd59af96abd2-software-engineer-ii-core-infrastructure-at-poshmark)

Domain

E-commerce / Fashion Marketplace

Deliverable

product features

Required skills

React/Vue/Angular, TypeScript, JavaScript, Ruby/Java/Python, RESTful APIs, SQL/NoSQL databases, caching, message queues, cloud technologies (AWS/GCP)

Preferred skills

Scalable system architecture, performance optimization, code review practices

Responsibilities

Design and develop full stack features, build responsive user interfaces, develop backend services and APIs, troubleshoot production issues, contribute to development tooling

Seniority

Mid-level (2-4 years experience)

About poshmark

**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.