Senior Software Engineer II, Web

Poshmark

Senior Web Engineer II responsible for building responsive web applications for Poshmark, a fashion marketplace. Collaborating with teams and driving feature development to enhance user experience.

Posted 4/12/2026full-timeRedwood City • California • 🇺🇸 United StatesSeniorWebsite

Tech Stack

Tools & technologies

AngularAWSMongoDBNode.jsNoSQLReactRubyRuby on RailsVue.js

About the role

Key responsibilities & impact

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.
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.
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.

Requirements

What you’ll need

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

Benefits

Comp & perks

Health insurance
401(k) retirement plan
Paid time off
Flexible working arrangements

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

NodeVueReactAngularRuby on RailsNoSQLMongoDBRESTful web servicesweb development stackscalable code

Soft Skills

collaborationownershiptechnical discussionsproblem evaluationidea generationindependent feature development

Certifications

Bachelor’s degree in Computer Science