Senior Mobile Engineer

Android & iOS Engineer Roles Kotlin / Swift London Hybrid Consumer App Tech for Good

Are you passionate about building high-quality mobile apps that make a genuine impact on the lives of others?

Do you want to work on a product used by millions of users globally every single day?

If so, this could be the opportunity for you.

I'm working with a fast-scaling Consumer Tech / Tech-for-Good brand who have built the world's largest app in its category. With over 15 million users and hundreds of thousands of success stories to date, this business are well on their way to Unicorn status and are seeking several talented Mobile Engineers to join them as they embark on their next phase of growth

Live roles:

x2 Mid-Senior Android Engineer (Kotlin) - building cutting-edge native features, improving app performance, and working across design, architecture, and delivery.

x1 Senior iOS Engineer (Swift) - shaping the iOS app's evolution, leading on new feature delivery, and driving forward technical excellence.

Both teams love clean, native, modern code, and everything you build will be seen, used, and loved globally.

What you'll do (depending on role):

• Design, build, and maintain beautiful, high-performance mobile applications.
• Ship features end-to-end, from concept through to release on the App Store / Play Store.
• Collaborate closely with Product, Design, and Backend teams.
• Ensure code quality, reliability, and scalability through testing and best practices.
• Work in an agile environment (Scrum / Kanban).
• Bring ideas, energy, and curiosity, and help shape the future of a product used worldwide.

What we're looking for:

Android Engineer:

2+ years building cutting-edge Android apps in Kotlin

Strong grasp of Coroutines, caching, and Jetpack Compose

Experience delivering apps to the Play Store

Passion for clean architecture (MVVM/MVI) and great user experiences

iOS Engineer:

5+ years creating iOS apps in Swift

Strong understanding of SOLID principles and app architecture (MVVM / Reactive)

SwiftUI and Combine experience (bonus points for UIKit or Realm)

Experience delivering apps to the App Store

For both:

Willingness to learn, get hands-on, and ship great work quickly

Collaborative mindset and a love for native engineering

London hybrid (2 days/week in-office)

Remote working opportunities can be discussed for candidates based outside of the UK

Tech you'll be working with:

• Kotlin / Swift
• Jetpack Compose / SwiftUI
• Coroutines / Combine
• Room / Realm
• Reactive, MVVM / MVI
• Firebase, CI/CD, Linear, GitHub

Why join:

Work on a product used by millions globally

Be part of a mission-driven Tech-for-Good brand

Equity in a profitable, fast-growing scale-up

Dedicated learning day every month

️ International team offsites twice a year

Regular team socials

️ 33+ days annual leave

Flexible working options

Salary:

• Android: £60,000 - £85,000 DOE
• iOS: £70,000 - £85,000 DOE
• Equity and benefits

If you're a mobile engineer who loves native tech, meaningful products, and fast-moving environments, this could be the perfect next move.

Apply directly or drop me a message to learn more