Senior iOS Engineer
First seen by Alion on Sep 22, 2026.
Role Overview :
As a Senior iOS Engineer, you will work end-to-end on user-facing features - from requirements refinement through architecture, implementation, and release. You will help shape the iOS side of the platform, contribute to architectural decisions, and coordinate iOS engineers within your team. This role requires a hybrid working model with at least 2 days per week in the Mumbai office.
Your Responsibilities :
- Refine and estimate requirements; contribute to product and engineering planning.
- Develop new user-facing features for iOS and Apple TV using Swift.
- Build reusable components and libraries for future use across the platform.
- Translate designs and wireframes into high-quality production code.
- Optimise components for performance across iPhones, iPads, and Apple TVs.
- Define and contribute to the architecture of digital solutions.
- Plan delivery effectively - robust, modular, testable code.
- Coordinate the work of iOS engineers within the team.
- Contribute to Deltatre engineering procedures, code conventions, and best practice.
- Stay current with developments in iOS and UI engineering relevant to the platform; the team works to Scrum methodology.
Requirements :
- You produce work that others can build on.
- You take ownership of features from refinement through release, and you treat the iOS platform as a craft.
- You make architectural decisions that hold up over multiple release cycles.
Required Skills :
- 5+ years' relevant engineering experience, including at least 2 years at Senior iOS Engineer level.
- Recent hands-on experience with SwiftUI (2+ years).
- Deep proficiency in Swift.
- Thorough understanding of Apple system frameworks - Foundation, UIKit, AVFoundation, StoreKit, and others.
- Demonstrated unit-testing practice with XCTest.
- Familiarity with Apple app submission, code signing, and iTunes account administration.
- Comfortable with instrumentation testing and optimisation.
- Comfortable with Git, build automation, and continuous integration.
- Fluent written and spoken English.
- Experience working with a global team or employer.
Skills
iOS, SWIFT, UIKit, Scrum, Git, Objective C, XCUI Test