Senior or Strong Semi-Senior Kotlin Multiplatform Developer (4-Month Contract | Fully Remote) Are you a Senior or Strong Semi-Senior Kotlin Multiplatform Developer with solid experience in Android and/or iOS development — and excited to build something from scratch? Join a focused, high-impact 4-month contract project , where you'll help develop a brand-new SDK for an innovative automotive product ️ This position is 100% remote. What You’ll Do Design and implement a production-grade SDK using Kotlin Multiplatform (KMP) Target both Android and iOS , collaborating with a small, remote team of mobile experts Build core SDK functionality from the ground up Write clean, maintainable, and testable code — performance and quality are key Optionally contribute to CI/CD, release workflows, and SDK documentation (bonus points! ) What You Bring Proven experience with Kotlin Multiplatform in real-world applications Strong Android or iOS development background (or both!) Solid debugging and architecture skills — you know when to abstract and when to get things done Passion for building high-quality SDKs that developers love to use Comfortable communicating in English — both written and verbal Bonus Skills Experience building SDKs intended for external developer use Familiarity with mobile CI/CD pipelines, testing tools, and versioning practices Understanding of native build systems like Gradle and Xcode Exposure to automotive technologies (e.g., Bluetooth, CAN bus, sensors) Who You’ll Work With You’ll join a compact, cross-functional team consisting of: 3 Developers (covering KMP, Android, and iOS) 1 Project Manager 1 Software Architect A collaborative and agile setup — with fast feedback loops and direct impact. Our hybrid-friendly company has offices in: Mexico (Querétaro & Tepatitlán) Bolivia (Cochabamba) Uruguay (Montevideo) Argentina (Tandil & Resistencia) What We Offer Competitive compensation and an interesting technological challenge 4-month freelance or contractor agreement If you're a Kotlin Multiplatform enthusiast with mobile chops and a love for clean SDK architecture — we'd love to hear from you! Sound like you? Let’s talk!