Senior iOS Engineer (SwiftUI & Swift Concurrency)

Location: Athens, Attica, Greece

Workplace: hybrid

Employment Type: full

Description

We are looking for an experienced Senior iOS Engineer (SwiftUI & Swift Concurrency) to take ownership of a modern native iOS application built with Swift 6, SwiftUI, and a modular Swift Package Manager architecture.

In this role, you will collaborate closely with product, design, backend, platform, and QA teams to deliver secure, scalable, and high-quality mobile features across reusable UI components, networking, authentication, real-time communication, and identity-verification journeys.

Key Responsibilities

• Own, develop, and maintain the native iOS application using Swift and SwiftUI
• Build maintainable SwiftUI features using modern Swift Concurrency, including async/await, actors, actor isolation, and MainActor-aware UI development
• Contribute to a modular codebase built with Swift Package Manager
• Develop and maintain reusable internal packages for networking, UI components, and test mocks
• Integrate backend services, authentication, identity services, and API-based customer journeys
• Develop and maintain real-time application features using SignalR
• Integrate identity-verification capabilities using Jumio, including liveness, NFC, and localization modules
• Develop secure mobile journeys using camera, NFC, and biometric authentication such as Face ID
• Build reusable SwiftUI components aligned with the application design system
• Write and maintain unit and UI tests
• Support DEV, UAT, and PROD configurations and environment-specific resources
• Contribute to build, release, code signing, provisioning, and App Store distribution
• Participate in code reviews, technical design discussions, and architecture improvements
• Troubleshoot, debug, and optimize application performance

Requirements

• University degree in Computer Science, Engineering, or a related field
• Minimum 5 years of professional experience in Swift and native iOS development
• Strong hands-on experience building production applications with SwiftUI
• Solid understanding of Swift Concurrency, including async/await, actors, and actor isolation
• Experience with Swift Package Manager, modular iOS applications, and reusable Swift packages
• Experience integrating backend APIs, authentication or identity services, and third-party SDKs
• Knowledge of secure token storage using the iOS Keychain
• Strong experience with Xcode, Instruments, debugging, and performance-analysis tools
• Experience writing unit and UI tests using XCTest and XCUITest
• Experience with Xcode build configurations, code signing, provisioning, and multiple application environments
• Familiarity with Git-based collaborative development workflows and code reviews
• Experience working within an Agile delivery environment
• Strong communication, collaboration, and ownership skills

Nice to Have

• Experience with SignalR or another real-time communication technology
• Experience with Jumio or another KYC/identity-verification SDK
• Experience with NFC, camera, Face ID, and secure mobile onboarding journeys
• Experience developing reusable SwiftUI design systems and component libraries
• Knowledge of localization, image caching, and SVG rendering on iOS
• Experience in fintech, wallets, payments, or financial-services mobile applications
• Knowledge of iOS CI/CD pipelines, particularly Azure DevOps
• Experience managing App Store builds, signing, and distribution

You will be a great candidate for us if you

• Have strong hands-on expertise in Swift, SwiftUI, and modern native iOS development
• Are confident working with Swift Concurrency and modern application architectures
• Enjoy taking ownership of complex mobile applications and technical decisions
• Care about security, performance, maintainability, and user experience
• Have a strong understanding of modular and reusable software design
• Enjoy collaborating across product, design, backend, platform, and QA teams

Benefits

Why join inventYOU

• Work with modern iOS technologies including Swift 6, SwiftUI, and Swift Concurrency
• Build secure and scalable native mobile experiences
• Work with modular architectures and reusable Swift components
• Contribute to complex authentication, real-time, and identity-verification journeys
• Collaborate with experienced mobile, backend, product, and platform professionals
• Continue developing your expertise in modern iOS engineering