iOS Developer

About the role

Gismart is seeking an experienced iOS Developer to join the Radiotech team, which focuses on creating approachable and fun music applications. You will be responsible for developing and modernizing iOS applications while contributing to the adoption of Kotlin Multiplatform. This role involves collaborating with cross-functional teams to build scalable, high-quality mobile solutions used by millions worldwide.

Responsibilities

• Develop, maintain, and modernize existing iOS applications using Swift, SwiftUI, and UIKit.
• Define and evolve the architecture of the iOS codebase with a focus on scalability, modularization, and maintainability.
• Design and implement efficient, testable technical solutions.
• Prepare existing applications for gradual adoption of Kotlin Multiplatform (KMP).
• Participate in the migration of selected business logic and shared components to KMP.
• Collaborate with Android and other engineers on shared mobile architecture and APIs.
• Troubleshoot complex issues and optimize application performance and memory usage.
• Use AI coding tools and engineering agents as part of the regular development workflow.

Required skills

• Swift
• SwiftUI
• UIKit
• Swift Concurrency
• Combine
• MVVM
• Clean Architecture
• REST APIs
• GraphQL
• Xcode
• CI/CD
• Kotlin Multiplatform

Benefits

• Flexible working schedule
• Coworking space compensation
• Free office lunches
• 100% sick leave compensation
• Medical insurance
• Sports activities
• Therapy cost coverage
• Personal equipment
• Professional development budget
• Paid vacation

About the Company

Gismart is a value-driven mobile app developer with a strong presence in the Health & Wellness, Utilities, and Music app markets. Headquartered in London, the company has a team of 400+ people and has reached over 1 billion downloads worldwide.