Senior Mobile Developer (iOS & Android)

About the role

Krasamo Inc. is seeking a Senior Mobile Developer to design and build high‑performance native applications for iOS and Android. The role focuses on enterprise, consumer, and IoT‑connected solutions and requires collaboration across multiple product teams.

Key responsibilities

• Design and develop native mobile apps for iOS (Swift, SwiftUI) and Android (Kotlin, Jetpack Compose).
• Integrate applications with RESTful APIs and cloud services using Retrofit, OkHTTP, and GSON.
• Work with UX/UI designers to deliver intuitive user experiences.
• Connect mobile apps to IoT devices via BLE and Wi‑Fi.
• Optimize performance, scalability, and stability; troubleshoot and resolve production issues.
• Participate in code reviews and uphold engineering standards.
• Collaborate closely with backend, DevOps, UX/UI, and product teams.

Required profile

• Bachelor’s degree in Computer Science, Engineering or a related field.
• Advanced English proficiency (C1 or higher).
• 5+ years of experience in native mobile development.
• Strong command of Swift and iOS frameworks, as well as Kotlin and Android frameworks.
• Experience publishing and maintaining apps on Google Play Store (and iOS App Store).

Required skills

• Kotlin
• Jetpack Compose
• Retrofit
• OkHTTP
• GSON
• Swift
• SwiftUI
• MVVM and Clean Architecture
• Git
• RESTful API integration
• BLE and Wi‑Fi connectivity