We are expanding our team of Mobile software developers and we are looking for bright people who enjoy dynamics and are eager to learn and develop their professional skills. You will have the opportunity for fully remote or hybrid work (remote and in the office in Sofia) As a Kotlin Multiplatform Developer, you’ll be: Work in a supportive environment on projects for international clients Participate across diverse domains and tech stacks, covering the full software development lifecycle (feature development, maintenance, troubleshooting, testing, documentation, etc.) Collaborate with developers of various seniority levels to analyze requirements, propose architecture and system design solutions, and estimate and plan tasks Communicate effectively with team members and clients regarding tasks, requirements, and issues Continuously learn new technologies, take part in knowledge-sharing initiatives (e.g. internal trainings), and pursue professional certifications The perfect candidate meets the following: Solid understanding of Swift or Kotlin Experience building native UI for iOS (SwiftUI, UIKit) or Android (Jetpack Compose, XML) Understanding of mobile architectural patterns such as MVVM, MVI, or MVC Familiarity with local data persistence (Room, Core Data, SwiftData, SQLite, or Realm) Genuine interest in cross-platform mobile development and working within a Kotlin Multiplatform (KMP) architecture Fluency in English The following will be considered an advantage: Experience with Kotlin Multiplatform (KMP) Familiarity with Objective-C and/or Java Exposure to React Native, Flutter, or other cross-platform frameworks Familiarity with testing, CI/CD, and distribution tooling (TestFlight, Firebase App Distribution, Play Console) and App Store / Google Play publishing processes