EX Squared LATAM - Senior Mobile Developer (Kotlin Multiplatform) Temporary.

Client: EX Squared LATAM

Location: Remote

Contract: Temporary

Job Description

At EX Squared LATAM, we help global brands transform how they operate by building high-performing digital solutions with real-world impact. We’re now looking for a Senior Mobile Developer with strong experience in Kotlin Multiplatform to join our team and contribute to the development of a strategic product.

If you’re passionate about building mobile solutions that scale across platforms, enjoy working in cross-functional teams, and thrive in fast-paced, high-impact environments—this is your opportunity to make a difference.

What You’ll Do

As a Senior Mobile Developer, you’ll lead the development of shared features for Android and iOS using Kotlin Multiplatform (KMM), while ensuring high-quality implementation in platform-specific layers when needed. You’ll work in an agile, cross-functional team to create accessible, high-performance solutions that deliver an exceptional user experience.

You’ll be responsible for:

• Designing and building modern mobile apps that meet UX/UI and performance standards.
• Writing clean, scalable code in Kotlin, Swift, and Java.
• Utilizing Kotlin Multiplatform to build reusable components across Android and iOS.
• Applying architecture patterns such as MVVM, MVI, or MVP.
• Creating intuitive interfaces aligned with Android and iOS guidelines.
• Implementing navigation flows and seamless offline functionality.
• Integrating RESTful and/or GraphQL APIs with solid error handling.
• Writing and maintaining unit tests and supporting automated QA processes (e.g., Mockito, Espresso, Robolectric).
• Collaborating with Designers, Backend Developers, QA Engineers, and Product Managers.
• Contributing to CI/CD pipelines and continuous delivery workflows.
• Documenting technical decisions and maintaining clear, scalable architecture.
• Staying current with mobile development trends, open-source tools, and platform updates.

Requirements

You’re a mobile engineer who can operate independently when needed, but thrives in a collaborative, agile environment. You’re proactive, solution-oriented, and bring structure to complex challenges.

Must-haves:

• 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.

Why Join EX Squared?

At EX Squared, we build impactful digital solutions for world-class clients while empowering top talent across Latin America. We foster a culture grounded in technical excellence, transparency, continuous learning, and collaboration.

What We Offer

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

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