Senior iOS Engineer: Swift, Modular Apps & SDKs

iBSC; West of England; On-site; GBP 85,000 - 120,000; Full time

Job summary

iBSC in the United Kingdom is seeking a senior iOS engineer with deep Swift expertise to build and maintain modular iOS apps and SDKs. You will work with Xcode, Git, XCTest and CI/CD, tackling concurrency and delivering high-quality, thread-safe code.

You will champion testing, TDD, code reviews and pair programming while collaborating across teams to maximize reuse and reduce technical waste. Bonus points for security-minded approaches, secure storage and practical security of data in transit

Qualifications

• Proficient in Swift for iOS app development and SDK creation.
• Experience building modular, scalable iOS architectures.
• Strong understanding of concurrency and performance optimization.

Responsibilities

• Build and maintain modular, scalable iOS apps and SDKs.
• Work with modern tools (Xcode, Git, XCTest, XCUITest, CI/CD).
• Handle concurrency and thread-safe, performant code.
• Champion engineering quality (TDD, code reviews, pair programming, automation).
• Collaborate across teams to drive reusability and reduce technical waste.

Skills

Swift

iOS

SDKs

Xcode

CI/CD

TDD

Code reviews

Pair programming

Concurrency

Performance

Tools

Git

XCTest

XCUITest

CI/CD pipelines

Job description

iBSC in the United Kingdom is seeking a senior iOS engineer with deep Swift expertise to build and maintain modular iOS apps and SDKs. You will work with Xcode, Git, XCTest and CI/CD, tackling concurrency and delivering high-quality, thread-safe code.

You will champion testing, TDD, code reviews and pair programming while collaborating across teams to maximize reuse and reduce technical waste. Bonus points for security-minded approaches, secure storage and practical security of data in transit