Senior Mobile Developer (KMP)

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

At Confidencial (Apenas para Cadastrados), 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 Confidencial (Apenas para Cadastrados), 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.