EX Squared is hiring a Senior Mobile Developer (Kotlin Multiplatform) - Temporary.

EX Squared is hiring a Senior Mobile Developer (Kotlin Multiplatform) for a temporary role. You will lead the development of shared features for Android and iOS using Kotlin Multiplatform (KMM), ensuring high-quality implementation and delivering an exceptional user experience within an agile, cross-functional team.

What You'll Do

• Design and build modern mobile apps that meet UX/UI and performance standards.
• Write clean, scalable code in Kotlin, Swift, and Java.
• Utilize Kotlin Multiplatform to build reusable components across Android and iOS.
• Apply architecture patterns such as MVVM, MVI, or MVP.
• Create intuitive interfaces aligned with Android and iOS guidelines.
• Implement navigation flows and seamless offline functionality.
• Integrate RESTful and/or GraphQL APIs with solid error handling.
• Write and maintain unit tests and support automated QA processes.
• Collaborate with Designers, Backend Developers, QA Engineers, and Product Managers.
• Contribute to CI/CD pipelines and continuous delivery workflows.
• Document technical decisions and maintain clear, scalable architecture.
• Stay current with mobile development trends, open-source tools, and platform updates.

What We're Looking For

• 5+ years of experience with Android development using Kotlin.
• Proven experience with Kotlin Multiplatform (KMM) in production or side projects.
• Understanding of modern Android and iOS development principles.
• Familiarity with Swift and SwiftUI.
• Experience integrating RESTful/GraphQL APIs.
• Solid grasp of mobile architecture patterns (MVVM, MVI, etc.).
• Proficiency in UI/UX design principles and responsive layouts.
• Background in testing, debugging, and performance optimization.
• Understanding of accessibility standards (WCAG 2.2) and their implementation.
• Experience with Git, Agile workflows, and CI/CD pipelines.

Technical Stack

• Languages: Kotlin, Swift, Java
• Frameworks: Kotlin Multiplatform (KMM), SwiftUI
• APIs: RESTful APIs, GraphQL
• Testing: Mockito, Espresso, Robolectric
• Tools: Git

Team & Environment

You'll be working in a cross-functional team operating within a culture of technical excellence, transparency, continuous learning, and collaboration.

Benefits & Compensation

• Competitive compensation in USD.
• Remote-first work environment.
• Flexible hours.
• Access to Udemy for continuous learning.
• Recognition through Assembly for performance and results.

Work Mode

This is a global, remote-first position.

EX Squared is an equal opportunity employer.