Software Engineer II, iOS

Responsibilities

• Build, maintain, and iterate on Poshmark’s iOS application with a focus on usability and performance.
• Work closely with senior engineers, product managers, and designers to implement medium-complexity features.
• Participate in code reviews, share feedback, and contribute to team learning.
• Write maintainable, testable code and ensure reliability through unit tests and quality checks.
• Provide constructive input on product specs and collaborate cross-functionally to move projects forward.
• Take initiative to improve parts of the codebase, style guides, or processes with guidance from senior peers.
• Mentor newer team members informally by sharing knowledge and assisting with onboarding or best practices.

Requirements

• 2–4 years of experience developing iOS applications.
• Strong understanding of Swift, with exposure to Objective-C as a plus.
• Familiarity with patterns like MVVM, Swift Concurrency, and SwiftUI is preferred.
• Knowledge of RESTful web services and connected application design.
• Solid foundation in computer science fundamentals such as data structures, algorithms, and software design.
• Experience using Git or other version control tools.
• Able to balance multiple tasks while delivering within estimates.
• Excellent communication and collaboration skills, with a willingness to learn from peers and adapt to changing requirements.
• BS or MS in Computer Science or related field (or equivalent).

6-Month Accomplishments

• Become familiar with Poshmark’s iOS ecosystem, tools, and workflows.
• Contribute to feature development with increasing independence.
• Build strong working relationships across Product, Design, QA, and Engineering.
• Participate actively in code reviews and team discussions.

12+ Month Accomplishments

• Independently plan and deliver medium-complexity features.
• Provide meaningful improvements to code quality and team processes.
• Take on informal mentoring roles and contribute to team knowledge-sharing.
• Actively participate in recruiting through technical interviews.