Sr. Software Engineer, iOS
Listed on 2026-01-12
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Software Development
App Developer - Mobile/Web, iOS Developer, Full Stack Developer, Software Engineer
About Poshmark
Poshmark is a leading fashion resale marketplace powered by a vibrant, highly engaged community of buyers and sellers and real-time social experiences. Designed to make online selling fun, more social and easier than ever, Poshmark empowers its sellers to turn their closet into a thriving business and share their style with the world. Since its founding in 2011, Poshmark has grown its community to over 130 million users and generated over $10 billion in GMV, helping sellers realize billions in earnings, delighting buyers with deals and one-of-a-kind items, and building a more sustainable future for fashion.
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Poshmark is looking for a talented and creative Senior software Engineer - iOS. You are someone who loves creating mobile applications that have a simple user interface and solid code. If you have a passion for developing new user experiences, solving difficult problems and creating solutions, this is a perfect job for you! Join our world-class team and help build the future of Poshmark.
Responsibilities- Architect build, iterate and maintain our iOS mobile application
- Influence different aspect of the development process like API creation, design, and product
- Own important pieces of the product that have high visibility both internally and externally
- Find simple, elegant solutions to hard problems
- Take part in code reviews and give constructive feedback to peer developers
- Partner closely with our design, product, and other Engineering team to produce an application that flows seamlessly and works intuitively with our users.
- Write high quality and maintainable code and unit-test for quality assurance, robustness, including edge cases, usability, and general reliability
- Outstanding engineer proven by great results, interesting hobby projects.
- Strong foundation in the fundamentals of computer science, data structures, algorithms, and software design.
- 3+ years in developing iOS applications
- Fluency with Swift. Objective-C is a plus.
- Experience with common front end patterns like MVVM, Swift Concurrency and Swift UI is a plus.
- Excellent communication skills and ability to work cross-functionally
- Design and use of RESTful web services to create connected applications.
- Understanding of code versioning tools, such as Git
- Basic Knowledge of writing unit tests.
- BS or MS in Computer Science or related technical discipline (or equivalent)
- Get familiar with Poshmark’s ecosystem and tools
- Contributing to and take ownership of Poshmark’s iOS feature
- Have a good collaboration within the team. Also, with other teams like Product, Design, QA, Dev Ops
- Should participate in technical discussions, code reviews, and provide valuable inputs to other Team members.
- Drive feature development independently
- Provide ideas/changes to improve iOS application code base.
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