Sr. iOS Developer/Lead
- Location
- El Segundo, CA · On-site
- Job type
- Full-time
- Level
- Senior
- Experience
- 7+ years
- Listed
- 30 days ago
Skills & highlights for this role
- Objective-C
- Cocoa
- CoreData
- CoreGraphics
- RESTful web services
Also useful
- Git
- Agile
- Jira
- WebSockets
Duties and Responsibilities
- Handle technical design and implementation of features for iPhone and iPad applications
- Managing ad hoc and assist with production releases
- Provide technical expertise regarding strategic decisions related to iOS device and SDK support
- Architect, implement and unit-test features per product definitions. Test applications for memory leaks, debug crash logs, etc.
- Provide QA with ad hoc device builds, as well as perform actual submission of releases to the App Store. This includes tagging builds and other SVN-related responsibilities
- Identify useful features in upcoming iOS versions; also identify benefits and risks associated with changing the minimum supported iOS requirements
Basic Qualifications
- 7+ years of development experience
- 5+ years of object-oriented software development experience
- 5+ years building complex applications for iOS devices; including very strong graphics programming, threading and XML parsing in Cocoa, Objective C, ImageKit. Should have at least one live iOS app in the App Store.
- Deep knowledge of the following frameworks: CoreGraphics, CoreAudio and CoreData. Strong working knowledge of OO development and data caching
- Experience with consuming complex Web Services, WebSockets
- Adept at writing applications to consume RESTful Web Services
- Must have personally released at least two apps in App Store (in production)
- Practical expertise with CPU/memory profiling
Integrated various Social Networks
Worked on white label solution products (localization, multiple skins and configurable-feature sets)
- Full SDLC experience, including release to Apple’s App Store
- Experience working in an Agile development environment
- Familiar with version control systems such as Git/Hg/Svn
Additional information
Engineering Ninja Skills, including: superb analytical skills, excellent communication, meticulous attention to detail, strong team ethic, and passion for building great products
Additional Information: Preferred Qualifications
BS in Mathematics, Statistics, or Computer Science
- Experience with Agile issue management systems (e.g. Jira/Greenhopper)
- All your information will be kept confidential according to EEO guidelines.
Overview
Our client is are looking for a senior iOS Mobile Developer to join their team. The selected candidate for the role must be familiar with developing user interfaces and interactive mobile applications on the iPhone using the native iOS SDK.
From Prosum's careers page, first listed on Rolev.ai on October 10, 2026. Rolev.ai is not the employer.
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Common questions
Where is the Sr. iOS Developer/Lead job at Prosum located?
This Sr. iOS Developer/Lead position at Prosum is located in El Segundo, CA (On-site). Always check Prosum's application page for specific state eligibility or relocation policies.
What qualifications are required for Sr. iOS Developer/Lead at Prosum?
For the Sr. iOS Developer/Lead role, Prosum highlights 7+ years of relevant experience; experience with Objective-C, Cocoa, CoreData, CoreGraphics, RESTful web services. Rolev.ai can score your existing resume against these requirements and show any skill gaps before you apply.
How do I apply for the Sr. iOS Developer/Lead position at Prosum?
This listing links directly to Prosum's SmartRecruiters application page. You can apply directly on Prosum's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the SmartRecruiters application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.