Sr. Software Engineer II, Web
PoshmarkRedwood City, California, USAPosted 27 March 2026
Job Description
Sr. Software Engineer II, Web
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.
Poshmark is looking for a talented and creative Senior Web Engineer II. The candidate is expected to create web applications that have a simple user interface and solid code that touches the lives of millions of users. The role will be dynamic and varied, requiring a versatile self-starter willing to dive into multiple initiatives. This role will provide an excellent opportunity to implement code that may run in production, at scale.
While having the opportunity to work with a talented team to rapidly roll out changes and measure their impact, while being mentored and guided.
Responsibilities
- Responsible for creating web application features.
- Develop a scalable, high performance and maintainable code.
- Work with web technologies built on Web, database, and caching technologies.
- Tune the performance for the web application.
6-Month Accomplishments
- Get familiar with the existing web architecture and code base.
- Contributing to and taking ownership of Web features.
- Have a good collaboration within the team. Also, with other teams like Product, Design, QA, devOps etc
- Should participate in technical discussions and be able to evaluate the design and architecture of the solution to the problems.
12+ Month Accomplishments
- Come up with ideas/changes to improve the application both from performance and scalability perspective.
- Get involved in the application architecture discussions and propose changes that would improve the existing infrastructure.
- Should be able to independently drive feature development.
Desired Skills
- 5 years software development experience, including at least 2 years in building easy to use, responsive web applications
- Experience in any of the following is highly desirable - Node, Vue, React, Angular, Ruby on Rails, NoSQL technologies (i.e. MongoDB), AWS.
- Skills in building web development stack.
- Understanding and designing RESTful web services.
- Bachelor’s degree in Computer Science or a related field
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