Kultrix

We are looking for a Senior iOS Engineer to join a long-term mobile product in the European e-commerce and e-health domain.

This role is focused on the technical foundation of a large production application. You will work on architecture, modularization, performance, stability, and developer experience while supporting several cross-functional product teams.

What you will do

• Design and evolve a scalable, modular iOS architecture
• Define technical standards and contribute to architectural decisions
• Improve application performance, stability, and maintainability
• Strengthen unit testing practices and overall test coverage
• Improve CI/CD pipelines, build times, and release processes
• Review critical technical solutions across multiple teams
• Reduce technical debt and improve shared platform components

• Collaborate with engineers, product managers, and designers

   

Required experience

• Strong commercial experience with Swift
• Hands-on experience with SwiftUI
• Experience building and maintaining large production iOS applications
• Strong knowledge of MVVM, Clean Architecture, or similar architectural patterns
• Experience with modular application architecture and Swift Package Manager
• Good understanding of Swift concurrency and memory management
• Strong unit testing and debugging skills
• Experience with CI/CD and mobile release processes

• Confident spoken and written English

   

Tech stack

Swift, SwiftUI, MVVM, Swift Testing, Swift Package Manager, Xcode Cloud, latest iOS SDK

Project

• Full-time engagement
• International English-speaking team
• Product used in the European pharmacy, e-commerce, and e-health market

• Strong focus on engineering quality and long-term product development

   

Interview process

1. Interview with our HR team
2. 15-minute introductory call with a client representative
3. 30-minute client screening
4. Two-hour technical interview

We are looking for a Senior Android Engineer to join a long-term mobile product in the European e-commerce and e-health domain.

You will take ownership of key technical areas of a large production Android application and help shape its architecture, scalability, performance, and future development.

What you will do

• Design and develop scalable Android solutions using modern architecture
• Contribute to architectural decisions and application modularization
• Build responsive user interfaces with Jetpack Compose
• Improve code quality, performance, stability, and maintainability
• Develop and maintain unit and UI tests
• Work with CI/CD pipelines and mobile release processes
• Improve monitoring, logging, and performance tracking
• Document technical decisions and development processes

• Collaborate with product managers, designers, backend engineers, and other mobile developers

   

Required experience

• Strong commercial Android development experience
• Advanced knowledge of Kotlin and the Android SDK
• Production experience with Jetpack Compose
• Strong understanding of MVVM, MVI, Clean Architecture, and modularization
• Experience with Coroutines and Flow
• Experience with dependency injection using Hilt or Dagger
• Experience integrating REST APIs with Retrofit and OkHttp
• Experience with JUnit, Espresso, and MockK, or similar testing tools
• Understanding of CI/CD and Android release workflows
• Ability to independently own complex technical tasks

• Confident spoken and written English

   

Tech stack

Kotlin, Android SDK, Jetpack Compose, Android Jetpack, Coroutines, Flow, Hilt, Dagger, Retrofit, OkHttp, Ktor, Koin

Project

• Full-time engagement
• International English-speaking team
• Product used in the European pharmacy, e-commerce, and e-health market
• Strong focus on engineering quality and long-term product development

Interview process

1. Interview with our HR team
2. 15-minute introductory call with a client representative
3. 30-minute client screening
4. Two-hour technical interview