Senior Android Engineer - Kotlin + Jetpack Compose (Hybrid Katowice)

Reply, Inc.; Katowice; Hybrid; PLN 145,000 - 246,000; Full time

Benefits offered by this job

Medical Care

Benefits Platform

Language Courses

Company Events

Meal tickets

Gym/Fitness cards

Job summary

Reply, Inc. is looking for an experienced Android developer to build and evolve the heyOBI app, connecting digital shopping with in-store experiences within a large retail ecosystem.

You will contribute to intuitive and reliable mobile experiences for international markets, collaborating with engineers, UX/UI designers, product owners, and architects. Your key responsibilities include developing features with Kotlin and Jetpack Compose, integrating GraphQL/REST APIs, ensuring robust

Qualifications

• Completed university degree in Computer Science or a comparable technical field.
• 5+ years of professional Android development experience, with strong proficiency in Kotlin.
• Hands-on experience with Jetpack Compose and Android SDK lifecycle.
• Experience integrating GraphQL and REST APIs, ideally using Ktor.
• Experience with local persistence and caching (Room and DataStore).
• Strong English and Polish communication skills and willingness to work in a hybrid model in Katowice.

Responsibilities

• Develop and maintain Android features using Kotlin and Jetpack Compose, integrating with existing Android Views where needed.
• Translate business requirements and UX/UI designs into accessible, responsive mobile experiences.
• Integrate GraphQL and REST APIs for product information, store availability, and loyalty services.
• Implement reliable authentication, session management, and network error handling.
• Manage asynchronous operations and application state using Kotlin Coroutines and Flow.
• Develop and maintain local persistence, caching, and data synchronisation.
• Support seamless navigation across native screens, embedded web content, deep links, and push notifications.
• Ensure application quality through automated testing, code reviews, performance optimisation, and production issue analysis.
• Collaborate on localisation, market-specific requirements, CI/CD, and Google Play releases.

Skills

Android development

Kotlin

Jetpack Compose

GraphQL integration

REST APIs

Authentication & error handling

Internationalization

CI/CD collaboration

Education

Bachelor's degree in Computer Science or equivalent

Tools

Ktor

Room

DataStore

Git

Gradle

CI/CD

Job description

Reply, Inc. is looking for an experienced Android developer to build and evolve the heyOBI app, connecting digital shopping with in-store experiences within a large retail ecosystem.

You will contribute to intuitive and reliable mobile experiences for international markets, collaborating with engineers, UX/UI designers, product owners, and architects. Your key responsibilities include developing features with Kotlin and Jetpack Compose, integrating GraphQL/REST APIs, ensuring robust