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Senior Mobile Developer (KMP) at EX Squared LATAM

Roles & Responsibilities

  • 5+ years of mobile development experience with strong Kotlin expertise and exposure to Swift/SwiftUI
  • Hands-on experience with Kotlin Multiplatform (KMP) for shared logic across Android and iOS
  • Solid understanding of modern mobile architectures (MVVM, MVP, MVI), API integration (REST/GraphQL), and performance optimization
  • Experience with CI/CD, Git, unit testing and test automation, Agile teamwork, and evaluating AI-generated code with coding assistants

Requirements:

  • Design and build modern, scalable mobile apps for Android and iOS using Kotlin, Swift, and modern frameworks; leverage Kotlin Multiplatform to share business logic
  • Integrate mobile apps with RESTful and GraphQL APIs; ensure performance, scalability, and responsiveness across devices
  • Collaborate with Product, Design, Backend, and QA to deliver seamless user experiences; write unit and automated tests; debug and optimize performance
  • Actively use AI-assisted development tools (e.g., GitHub Copilot) and critically review AI-generated code for quality, security, and maintainability

Job description

Become an EXpert as a Senior Mobile Developer (KMP | iOS & Android)

At EX Squared LATAM, we partner with innovative companies to build high-impact digital products.

This role is ideal for someone who thrives at the intersection of mobile engineering, Kotlin Multiplatform (KMP), scalable architecture, and AI-augmented development, and is excited to work on products that prioritize performance, usability, and innovation.

What You’ll Do

  • Design and build modern, scalable mobile applications for both Android and iOS platforms.
  • Develop high-quality code using Kotlin, Swift, and modern mobile frameworks.
  • Implement reusable and maintainable architectures (MVVM, MVI, Clean Architecture).
  • Leverage Kotlin Multiplatform (KMP) to share business logic across platforms.
  • Integrate mobile applications with RESTful and/or GraphQL APIs.
  • Collaborate closely with Product, Design, Backend, and QA teams to deliver seamless user experiences.
  • Ensure performance, scalability, and responsiveness across multiple devices and screen sizes.
  • Write and maintain unit tests and automated tests to ensure code quality.
  • Debug and resolve issues, optimizing application performance and stability.
  • Actively use AI-assisted development tools (e.g., GitHub Copilot) to accelerate delivery, while critically reviewing generated code for quality, security, and maintainability.

What You’ll Bring

  • 5+ years of experience in mobile development, with strong expertise in Kotlin and exposure to Swift/SwiftUI.
  • Hands-on experience with Kotlin Multiplatform (KMP) for shared logic across platforms.
  • Solid understanding of modern mobile architectures (MVVM, MVP, MVI).
  • Experience consuming and integrating APIs (REST and/or GraphQL).
  • Strong knowledge of mobile development best practices, UI/UX principles, and platform guidelines.
  • Experience with unit testing frameworks and test automation.
  • Familiarity with performance optimization, threading, and offline storage.
  • Experience working with CI/CD pipelines and version control tools (Git).
  • Ability to work in Agile environments and collaborate across cross-functional teams.
  • Experience using AI coding assistants (e.g., GitHub Copilot, Cursor, Codeium) and the ability to evaluate and refine AI-generated code.
  • Strong communication skills and a problem-solving mindset.

Why Join EX Squared?

At EX Squared LATAM, we are a team of builders, thinkers, and innovators. We collaborate across borders to deliver meaningful digital solutions for global clients, while fostering a culture of continuous learning, ownership, and impact.

What We Offer

  • Competitive compensation in USD.
  • 100% remote work across LATAM.
  • Access to learning platforms and professional development programs.
  • A collaborative, inclusive, and high-performance culture.
  • Opportunities to work on impactful, large-scale digital products.

Ready to take your mobile career to the next level? Apply now and become an EXpert.

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