About the Position

Senior Mobile Developer(Kotlin Multiplatform)

Poland

ONGOING

Salary

115 – 160 PLN/h + VAT (B2B)

15 750 – 21 500 PLN gross (UoP)

Apply Now

Drive the Future of Kotlin Multiplatform in our Organization and make an impact!

We’re looking for a Senior Mobile Developer to drive Kotlin Multiplatform adoption in our team and build high-quality native applications. If you’re proficient in Kotlin and Swift (even at different levels), enjoy working in an agile environment and are passionate about clean, maintainable code, we’d love to hear from you!

About Droids On Roids⚡️

At the beginning of 2025, Droids On Roids joined forces with Apadmi, one of the UK’s leading digital product agencies, unlocking even more opportunities for innovation in mobile development.

We work with top startups and global brands like CCC, Carlsberg, Vodafone, BBC, and Co-op, delivering high-quality code and an agile approach they trust. But don’t just take our word for it – see what our clients say on Clutch.co.

The Role

As our Senior Mobile Developer, you will be responsible for driving the development of native mobile apps using Kotlin Multiplatform. Your expertise will guide the architecture and technical direction of the projects, while also mentoring and supporting other developers in best practices.

Who are we looking for:

At least 3 years of experience as a Mobile Developer
Knowledge of Kotlin and Swift languages
Experience with Kotlin Multiplatform (KMP)
Knowledge of design patterns used in mobile applications
Experience working with MVVM or MVI architecture
Proficiency in UI frameworks: SwiftUI, Jetpack Compose, and UIKit
Experience with Dependency Injection
Ability to implement HTTP communication using Ktor Client
Ability to work with asynchronous code using Kotlin Coroutines and Swift Concurrency
Skills in writing automated tests
Ability to write clean, simple, and testable code
Knowledge of Google-recommended app architecture or Clean Architecture
Experience working with multi-module applications
Great communication and time-management skills
Fluent communicator in English and Polish, written and spoken (minimum B2 level)

Extra points for:

Knowledge of Compose Multiplatform
Ability to manage dependencies using Koin library
Experience in working with Git submodules, KMMBridge or Monorepos
The understanding that changes are natural, so you can thrive in a fast-paced environment, adapt to changing priorities, and manage different projects simultaneously. 🙂

What you’ll be doing:

Developing native mobile applications for Android and iOS using shared Kotlin Multiplatform code
Working with both Kotlin and Swift codebases
Delivering entire features, including UI, state management, business logic, and backend communication
Writing automated tests and working with the CI/CD process
Shaping the application architecture and ensuring high code quality
Contacting with clients, product owners, and business analysts
Collaborating with developers and QA engineers in Agile teams
Mentoring and supporting other developers by sharing knowledge, conducting code reviews, and promoting best practices in Kotlin Multiplatform development

Recruitment process:

Submit an application form – it’s the best way for us to get to know you!
Answer a few questions during an initial hangouts call with our Mobile Team – max. 30 m.
Join a remote interview (soft and technical part – pair programming) with Mobile Team, and Talent Acquisition Specialist – max. 2 h.
Welcome aboard! 🙂

Data processing

Your personal data will be processed by Droids On Roids Sp. z o.o. for the needs of a recruitment process. For information about the purposes and means of processing, check out the Privacy Policy.

The best working conditions and self-development possibilities

Flextime: Enjoy flexible working hours that let you choose your start and end times, accommodating your personal schedule.
Mental healthcare: We care about your mental health, so if you feel down you can always get help from our dedicated platform or a specialist.
Internal workshops: We invite pros to teach us how to become better – in both soft & hard skills.
Networking: Have a real influence in the IT community and engage in creating our events: Toast, letSwift, Fluttered.
Macbook & software: We work on Macbooks Pro and you’ll get one as well on your first day, together with any software you need.
Fame on our blog: Have something to say? Publish your thoughts on our blog and get shared by digests like AndroidWeekly or Hacker News.
Team hangouts: We meet in person regularly. From Halloween parties to kayaking trips and crafting workshops, we keep things fun and engaging!
Brand new office: Comfy desks, great coffee, a workshop room, and quiet spaces for deep focus – our 315m² office in the heart of Wrocław is waiting for you!

Salary

115 - 160 PLN/h + VAT (B2B)

15 750 - 21 500 PLN gross (UoP)

Apply Now

I have a project in mind and want to talk about it!

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All the best,

Business Developers at Droids On Roids

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Senior Mobile Developer(Kotlin Multiplatform)

Job description