IOS Developer

Kolkata, West Bengal, India. Siliguri, West Bengal, India

IOS Developer

  • 202508926
  • Kolkata, West Bengal, India
  • Siliguri, West Bengal, India
  • Full time
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Description

Role:

  • Architect and develop advanced iOS applications using Swift, MVVM-C architecture, and reactive frameworks like Combine or RxSwift.
  • Implement concurrency using Swift’s structured concurrency model (async/await, actors, etc.) for responsive and performant apps.
  • Write extensive unit and integration tests to ensure code quality and maintainability.
  • Apply advanced security measures including secure storage, biometric authentication, and app attestation.
  • Manage dependencies and modularization using Tuist, Swift Package Manager, and Fastlane.
  • Collaborate with cross-functional teams to define, design, and ship new features.
  • Participate in code reviews, architecture discussions, and agile ceremonies.
  • Use Git for version control and follow best practices for branching and collaboration.

Qualifications

Requirements:

Mandatory-

  • 5+ years of professional experience in iOS development.
  • Strong proficiency in Swift, Combine or RxSwift, and MVVM-C architecture.
  • Hands-on experience with Swift concurrency (async/await, actors).
  • Proven experience in writing unit tests using XCTest or similar frameworks.
  • Solid understanding of iOS security best practices.
  • Experience with Git and collaborative development workflows.
  • Familiarity with Tuist, Swift Package Manager, and Fastlane.
  • Strong problem-solving skills and attention to detail.
  • Excellent communication and teamwork abilities.
     

Good to have - 

  • Experience with SwiftUI for building modern, declarative UIs.
  • Knowledge of App Attest, Passkeys/WebAuthn, or other advanced authentication mechanisms.
  • Exposure to CI/CD pipelines, automated testing, and App Store deployment workflows.
  • Contributions to open-source projects or technical blogs.

Unsolicited Contact

Any unsolicited resumes/candidate profiles submitted through our web site or to personal e-mail accounts of employees of Willis Towers Watson are considered property of Willis Towers Watson and are not subject to payment of agency fees. In order to be an authorized Recruitment Agency/Search Firm for Willis Towers Watson, any such agency must have an existing formal written agreement signed by an authorized Willis Towers Watson recruiter and an active working relationship with the organization. Resumes must be submitted according to our candidate submission process, which includes being actively engaged on the particular search. Likewise, for our authorized Recruitment Agencies/Search Firms, if the candidate submission process is not followed, no agency fees will be paid by Willis Towers Watson. Willis Towers Watson is an equal opportunity employer. If you would like to have your contact information saved for future consideration, please email: Agency.inquiries@willistowerswatson.com.

Our Offices

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