
Open since Jun 2026
Sr. iOS Developer/LeadProsum · El Segundo
Sr. iOS Developer/Lead
El SegundoOn-siteContract
AI Summary
Leads technical design and implementation of iOS features for iPhone and iPad apps, manages releases to the App Store, and provides expertise on SDK support and architecture.
About this role
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.
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 (Facebook, Twitter, Instagram, Google+)
- 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
- Engineering Ninja Skills, including: superb analytical skills, excellent communication, meticulous attention to detail, strong team ethic, and passion for building great products
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.
Skills
Agile DevelopmentApp Store SubmissionCoreAudioCoreDataCoreGraphicsCPU/memory ProfilingGitIOS SDKJiraObjective-CRESTful Web ServicesSVNSwiftWebSocketsXML Parsing
Explore related jobs
More jobs at Prosum
Similar Agile Development jobs
- LAgile DeveloperLTS · United States - Remote
- A
Agile DeveloperALEX-Alternative Experts · Fort Meade, Maryland - TAgile DeveloperThe Huntington National Bank · Columbus, Ohio
- TAgile Development ManagerTechInsights · Ottawa, Ontario
- WAgile Developer 1Wyetech · Annapolis Junction, Maryland
- WAgile Developer 4Wyetech · Annapolis Junction, Maryland
Jobs in El Segundo
- V
Senior Avionics Hardware Development EngineerVarda Space Industries · El Segundo, California - V
Senior Avionics Test EngineerVarda Space Industries · El Segundo, California - V
Avionics Test Engineer IIVarda Space Industries · El Segundo, California - V
Senior Systems Engineer, AvionicsVarda Space Industries · El Segundo, California - CRadiologic Technologist - $3,000 Sign-on Bonus!Concentra · El Segundo, CA
- R
Staff Nuclear EngineerRadiant Industries · El Segundo, California
Browse these categories
Market data for this role
All reports →- SeriesRole reportsOne role family at a time: how many openings, what changed this week, who is hiring, what it pays.
- SeriesSalary reportsWhat employers publish in job postings, by level and workplace. Not self-reported pay.
- Market overviewState of tech hiring, September 2026: up 4.8%Tech hiring rose 4.8% month over month in September 2026, with 411,122 new listings. Customer support and account executive roles led the growth.