Senior Mobile Engineer - iOS & Android (Kotlin/Swift)

Lokki Henkilöstöpalvelut Oy; Helsinki; Hybrid; EUR 65,000 - 90,000; Full time

Job summary

Lokki Henkilöstöpalvelut Oy is seeking a Senior Android & iOS developer to design, implement, and maintain mobile apps in a banking project. The role requires Kotlin, Jetpack Compose and Swift expertise, with hybrid work in Oulu, Finland and immediate start.

You will migrate legacy UI to Compose, refine UI components to fit our design system, and promote best practices for scalable mobile development. English fluency is required, with a competitive salary and benefits offered.

Qualifications

• English language proficiency required.

Responsibilities

• Design, implement and maintain Android & iOS apps with Kotlin, Jetpack Compose and Swift.
• Lead modernization by migrating legacy View-based UI to Compose.
• Refactor and update custom UI components to align with the design system and UI libraries.
• Drive frontend engineering practices for maintainable, scalable mobile solutions.
• Develop and maintain automated UI tests with Espresso & XCUnit.
• Create and maintain unit tests and verification activities.
• Participate in feature design, testing, release and ongoing maintenance.
• Analyze application behavior, troubleshoot issues, and improve performance, stability, and UX.
• Collaborate with designers, backend developers, QA, architects and business experts to deliver customer-centric solutions.

Skills

English

Tools

Kotlin

Jetpack Compose

Swift

Android

Git

Java

Gradle

Job description

Lokki Henkilöstöpalvelut Oy is seeking a Senior Android & iOS developer to design, implement, and maintain mobile apps in a banking project. The role requires Kotlin, Jetpack Compose and Swift expertise, with hybrid work in Oulu, Finland and immediate start.

You will migrate legacy UI to Compose, refine UI components to fit our design system, and promote best practices for scalable mobile development. English fluency is required, with a competitive salary and benefits offered.