Software Engineer II, iOS

Poshmark

iOS Engineer II at Poshmark developing and iterating on mobile applications connecting millions of users. Focused on usability, performance, and collaborative feature implementation.

Posted 4/12/2026full-timeRedwood City • California • 🇺🇸 United StatesJuniorMid-Level💰 $108,000 - $180,900 per yearWebsite

Tech Stack

Tools & technologies

iOSObjective-CSwift

About the role

Key responsibilities & impact

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.
Familiarize with Poshmark’s iOS ecosystem, tools, and workflows.

Requirements

What you’ll need

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.
Ability 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).

Benefits

Comp & perks

Equity
Performance-based incentives
Comprehensive benefits package

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

iOS developmentSwiftObjective-CMVVMSwift ConcurrencySwiftUIRESTful web servicesdata structuresalgorithmssoftware design

Soft Skills

communicationcollaborationinitiativementoringadaptabilitytask managementteam learningconstructive feedbackproblem-solvingwillingness to learn

Certifications

BS in Computer ScienceMS in Computer Science