Cloud Engineer - Kotlin

Overview

  Job Title: Full Stack Kotlin Engineer (Compose Multiplatform & Ktor) The Role

As a Full Stack Kotlin Engineer, you will own features end-to-end. You will design the database schema, write the Ktor API endpoints, and implement the UI using Compose Multiplatform for both Android and iOS. You will be instrumental in maintaining a "Shared Business Logic" architecture.

Key Responsibilities

• Mobile Development: Build beautiful, responsive UIs for iOS and Android using Compose Multiplatform.
• Backend Development: Develop and maintain scalable REST/GraphQL APIs using Ktor and Kotlin.
• Hardware Integration: Work with platform-specific APIs (Android SensorManager, iOS CoreMotion/HealthKit) using Kotlin Multiplatform’s expect/actual mechanism to track steps accurately.
• Code Sharing: Maximize code reuse (networking, domain models, validation) between the backend and mobile clients.
• Database: Manage database interactions using Exposed (Backend) or SQLDelight/Room (Mobile).
• Architecture: Implement clean architecture patterns (MVVM/MVI) and Dependency Injection (Koin).

Technical Requirements

• Kotlin Mastery: 2+ years of experience with Kotlin. Deep understanding of Coroutines and Flows.
• Compose Multiplatform: Experience building UIs with Jetpack Compose and configuring it for Multiplatform (iOS & Android).
• Ktor (Server): Experience building backend services with Ktor, including authentication (JWT), routing, and serialization.
• KMP Ecosystem: Familiarity with the KMP ecosystem (Ktor Client, kotlinx.serialization, kotlinx.datetime).
• Mobile Native Knowledge: Basic understanding of the native Android and iOS build systems (Gradle, Xcode, CocoaPods/Swift Package Manager).
• SQL: Experience with PostgreSQL or similar relational databases.

Nice-to-Have (Bonus Points)

• Experience with HealthKit (iOS) and Health Connect (Android).
• Experience creating widgets or WearOS / WatchOS companion apps.
• Knowledge of Docker and deployment on cloud providers (AWS/GCP/Heroku).
• Experience with SQLDelight for shared database logic.
• Open-source contributions to the Kotlin community.