Senior Mobile Developer (Kotlin Multiplatform) - Temporary.

Become an EXpert as a Senior Mobile Developer (Kotlin Multiplatform – Android & iOS). 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 What You'll Bring 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 #LI-REMOTE Apply tot his job Apply To this Job