Senior iOS Engineer – Test Coverage & Quality

Intelliswift - An LTTS Company; Santa Clara (CA); On-site; USD 140,000 - 190,000; Full time

Job summary

Intelliswift - An LTTS Company is seeking a Senior iOS Engineer to improve automated test coverage and reliability across the iOS application. The role emphasizes auditing existing tests, expanding functional and component-level coverage, and improving test stability in CI environments.

The candidate will audit test cases, identify coverage gaps, and author/refactor automated tests using XCTest and Swift, ensuring robust test suites and faster feedback loops for the development team.

Qualifications

• 5+ years of professional iOS experience.
• Strong iOS fundamentals and frameworks.
• Proficiency in Swift and Objective-C.
• Experience with XCTest and test authoring in Xcode.
• Knowledge of async programming and concurrency.

Responsibilities

• Audit test coverage for functional and component levels.
• Identify gaps and define strategies to improve coverage.
• Author, refactor, and maintain automated tests with XCTest.
• Improve test stability and CI performance.

Skills

iOS development

Swift

Objective-C

XCTest

CI testing

Concurrency

GCD

Tools

Xcode

CI systems

Job description

Detailed Job Description:

Experience Required: Minimum 5 years of professional iOS development

Role Overview

We are looking for a Senior iOS Engineer to improve automated test coverage and reliability across the iOS application. This role emphasizes auditing existing tests, expanding functional and component-level coverage, and improving test stability using industry best practices.

Key Responsibilities

• Audit existing test cases and evaluate test coverage at functional and component levels.
• Identify gaps in coverage and define strategies to improve overall test effectiveness.
• Author, refactor, and maintain automated tests using XCTest and Swift.
• Improve test stability, reliability, and execution performance in CI environments.

Required Qualifications

5+ years of professional iOS experience.

Strong iOS expertise, including platform fundamentals and frameworks.

Proficiency in Swift and Objective-C.

Extensive experience with XCTest and test authoring in Xcode.

Solid understanding of functional, component, and automated testing strategies.

Experience testing asynchronous code and managing concurrency.

Familiarity with GCD and asynchronous programming models.

Knowledge of intra-process communication; XPC experience is a plus.