iOS Technical Lead - Inside IR35 - Crawley (hybrid)

  • Salt
  • Crawley, Sussex
  • Mar 17, 2026
Contractor Telecommunications

Job Description

iOS Technical Lead - Hybrid (Crawley) - Contract (Inside IR35)
Industry: Aviation/Travel Technology

We are currently supporting a leading organisation in the aviation and travel technology sector in their search for an experienced iOS Technical Lead to join their digital engineering team on a hybrid basis (Crawley).

This is a key role responsible for leading the design, development, and delivery of a highly visible customer-facing mobile application used by millions of users globally.

The Role

As the iOS Technical Lead, you will combine hands-on engineering with architectural leadership, driving the evolution of a modern, scalable mobile platform. You'll work closely with product, Back End, and architecture teams while also leading distributed engineering teams, including offshore developers.

The platform enables end-to-end customer journeys including booking, account management, and Real Time travel services.

Key Responsibilities

  • Lead iOS development and feature delivery across the mobile platform

  • Define and evolve mobile architecture (MVVM, Clean Architecture, etc.)

  • Drive best practices across engineering including TDD, CI/CD, and code quality

  • Oversee API integrations (REST/GraphQL) and ensure performance optimisation

  • Collaborate with cross-functional teams across product, Back End, and DevOps

  • Mentor and lead distributed/offshore engineering teams


Required Skills & Experience

  • Strong commercial experience in iOS development (Swift, SwiftUI, UIKit, Objective-C)

  • Proven experience as a Technical Lead or Senior Engineer with architectural ownership

  • Deep understanding of modern mobile architecture patterns

  • Experience building scalable, high-performance mobile applications

  • Strong knowledge of API integration (REST; GraphQL is a plus)

  • Experience with modern development practices (CI/CD, TDD, secure coding)

  • Familiarity with reactive programming (Combine, async/await)

  • Experience working with distributed or offshore teams is highly desirable

  • Understanding of cloud-native and distributed systems


Additional Information

  • Hybrid working: Crawley (2-3 days onsite)

  • Contract role

  • Inside IR35

  • Competitive day rate

If you're an experienced iOS Technical Lead looking to work on a high-impact digital product within a fast-paced, customer-focused environment, please apply or get in touch for more details.

*Rates depend on experience and client requirements