Senior Mobile UI Engineer - iOS/Android Uplift

emagine; Helsinki; On-site; EUR 90,000 - 130,000; Full time

Job summary

emagine is seeking a senior mobile UI engineer to drive the uplift and modernization of its mobile banking apps. You will work hands-on on iOS and Android, lead UI initiatives, and collaborate with designers, architects, and stakeholders to deliver high-quality solutions.

The role emphasizes strong expertise in Swift/Kotlin, mobile architecture patterns, and a track record of delivering large-scale mobile solutions, with a focus on secure, performant customer-facing apps.

Qualifications

• 7+ years of professional experience in mobile application development with a proven track record of delivering large-scale mobile solutions.
• Strong expertise in either iOS (Swift) and/or Android (Kotlin), combined with strong hands-on experience in the other platform.
• Experience leading or driving UI modernization, redesign, or uplift initiatives in mobile applications.
• Strong knowledge of mobile architecture patterns such as MVVM, VIPER, or similar.
• Experience with UIKit, Auto Layout, Jetpack Compose, XML layouts, and Fragments.
• Strong understanding of unit testing, UI test automation, and quality engineering practices on mobile platforms.
• Experience integrating and consuming REST APIs, asynchronous programming, and background processing.
• Experience working with secure, high-quality, customer-facing applications where performance, stability, and security are critical.
• Ability to drive technical discussions, collaborate with designers and stakeholders, and take ownership of end-to-end deliveries.
• Strong communication skills and experience working in agile cross-functional teams.

Responsibilities

• Lead UI improvement initiatives, ensuring a modern, consistent, and user-friendly experience across mobile platforms.
• Design, develop, and maintain features for iOS and Android applications.
• Collaborate with designers, architects, developers, and business stakeholders to deliver high-quality solutions.
• Contribute to mobile architecture, technical design, and development best practices.
• Ensure high quality through code reviews, unit testing, UI automation, and continuous improvement activities.
• Take ownership of delivered solutions, including implementation, testing, deployment, and production support.
• Support the team in end-to-end deliveries, including frontend and backend contributions when needed.
• Combine technical leadership with hands-on development and play a key role in improving the user experience of the digital banking services.

Skills

Swift

Kotlin

MVVM

VIPER

UIKit

Auto Layout

Jetpack Compose

XML layouts

Fragments

REST APIs

UI testing

Agile

Code reviews

Tools

Xcode

Android Studio

Git

CI/CD

Job description

emagine is seeking a senior mobile UI engineer to drive the uplift and modernization of its mobile banking apps. You will work hands-on on iOS and Android, lead UI initiatives, and collaborate with designers, architects, and stakeholders to deliver high-quality solutions.

The role emphasizes strong expertise in Swift/Kotlin, mobile architecture patterns, and a track record of delivering large-scale mobile solutions, with a focus on secure, performant customer-facing apps.