Lead iOS Developer

Lead iOS Developer

Posted 3 days ago by 1760433239

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Negotiable
Undetermined
Hybrid
London, United Kingdom
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Adobe Analytics Animations API Design Apple IOS Applepay Application Programming Interface (API) Architectural Patterns Circleci Continuous Integration and Continuous Delivery Debugging Firebase Github GraphQL IOS Applications IOS Development Jenkins Keychain Mobile Devices Mobile Security Object-Oriented Programming (OOP) Objective-C (Programming Language) Profiling (Computer Programming) RESTful API Software Development SSL Security Swift (Programming Language) Team Leadership Version Control

Summary: Our client is looking for a Lead iOS Developer for a freelance B2B contract in London, initially lasting 4 months with a potential extension of over 6 years. The role requires 3 days on-site and 2 days remote work. The ideal candidate will have extensive experience in iOS development and team leadership. Proficiency in Swift and Objective-C, along with a strong understanding of mobile architecture patterns, is essential.

Key Responsibilities:

  • Mentor junior developers and lead mobile teams.
  • Develop iOS applications using Swift and Objective-C.
  • Implement design patterns and architecture patterns in mobile development.
  • Utilize iOS SDKs and integrate APIs.
  • Ensure mobile security best practices are followed.
  • Integrate payment SDKs and manage version control systems.
  • Oversee CI/CD pipelines and automated testing.
  • Debug and profile applications using iOS tools.

Key Skills:

  • Experience in mentoring and leading teams.
  • Proficient in Swift and Objective-C.
  • Strong understanding of OOP and design patterns.
  • Familiarity with iOS SDKs and API integration.
  • Knowledge of mobile security practices.
  • Experience with payment SDKs.
  • Proficient in version control systems.
  • Hands-on experience with CI/CD and automated testing.
  • Strong debugging skills.

Salary (Rate): undetermined

City: London

Country: United Kingdom

Working Arrangements: hybrid

IR35 Status: undetermined

Seniority Level: undetermined

Industry: IT

Detailed Description From Employer:
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Our client is seeking a Lead iOS Developer to join their team for a freelance B2B contract that is expected to last for an initial 4-month period, with an expected extension of 6+ years. This position is 3 days on-site in London and 2 days remote.

Project details:

  • Position: Lead iOS Developer
  • Contract Length: Initial 4 month period
  • Start date: ASAP
  • Location: Hybrid in London, 3 days per week and 2 days remote
  • Languages: English Speaking

Skills and Responsibilities:

  • Experience mentoring junior developers and leading mobile teams.
  • iOS development experience with a strong command of Swift and Objective-C
  • Solid understanding of OOP, design patterns (Singleton, Observer, Factory etc.) and architecture patterns (MVVM, VIPER, Clean Architecture)
  • Proficient in iOS SDKs, including Core Data, Core Animation, Push Notifications, etc.
  • Experience with GraphQL integration and/or RESTful API design and consumption.
  • Experience with analytics tools like Firebase, Adobe Analytics or similar.
  • Knowledge of mobile security best practices including keychain access, obfuscation, SSL pinning.
  • Experience integrating Apple Pay, Stripe or other payment SDKs.
  • Experience with version control systems like Bitbucket, GitHub, or Git
  • Hands-on experience with CI/CD pipelines (tools like Jenkins, GitHub Actions, Bitrise, or CircleCI), automated testing, and deployment strategies.
  • Strong debugging and profiling skills using instruments and other iOS tools.

If this interests you, please send me an up-to-date CV, and we can discuss the role in more detail. Otherwise, what are you looking for? If you know someone who might be interested, please forward this advert their way.

Reference
CR/129931_1760348219

Date
13 Oct 2025

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