Sr. Software Engineer, Cloud Platform

About the Role

Poshmark is looking for a Senior Software Engineer to support the rapid growth of our Cloud Platform and marketplace. In this role, you’ll help build and operate a high-traffic, fast-growing platform while receiving mentorship and guidance from experienced engineers. You’ll work at scale and push the boundaries of cloud-based technologies to help power Poshmark’s continued growth.

What You’ll Do

• Design, develop, and maintain backend services that support Poshmark’s marketplace experience.
• Collaborate with peers and senior engineers to implement scalable, efficient, and maintainable systems.
• Write clean, well-documented, and well-tested code following best practices.
• Participate in code reviews and learn from feedback to continually improve.
• Troubleshoot and fix issues across distributed systems in production environments.
• Contribute to improving development processes, tooling, and team workflows.

6-Month Accomplishments

• Become proficient with Poshmark’s tech stack, development tools, and codebase.
• Ship production-quality code with guidance from senior team members.
• Take ownership of small to medium-sized components or features.
• Collaborate effectively with Product, QA, and Design teams on feature delivery.

12+ Month Accomplishments

• Independently deliver features from design to production.
• Contribute to performance improvements and scalability initiatives.
• Develop a strong understanding of Poshmark’s system architecture and make data-driven technical decisions.
• Participate in technical discussions and contribute ideas to improve platform reliability and efficiency.
• Mentor interns or new hires joining the team.