Senior iOS Engineer, Monetization

  • Anywhere


YAZIO is one of the most popular nutrition apps worldwide, helping millions of users lead healthier lives. Beyond calorie tracking, the app also offers thousands of recipes, has various fasting plans, and supports popular fitness trackers.

About the Monetization Team:

Our Monetization Team is dedicated to enhancing user experiences and driving growth through data-driven features. The team focuses on optimizing paywalls, refining user flows, such as onboarding, and conducting extensive A/B testing. We manage subscription processes and strategically place ads and offers within the app.
We are seeking a talented iOS Engineer to join our Monetization Team and contribute to the development of innovative features. As part of our team, you will:

  • Design, implement, and maintain new features in close collaboration with our Design, Analytics, and Product Teams.
  • Engage in extensive A/B testing to optimize user experience.
  • Work on subscription processing, ad placements, and user flow enhancements.

If you also love leveraging data to drive impactful changes and are passionate about creating seamless user experiences, let’s chart the next stage of growth together and make YAZIO the most successful nutrition app worldwide!

This job is 100% remote and can be based in Germany, Spain, Portugal, or the U.K.


As an iOS Engineer, you will:

  • Learn Kotlin to write features in our shared business logic (Kotlin Multiplatform).
  • Collaborate with Mobile Engineers, sharing and transferring your iOS knowledge.
  • Write and maintain the iOS codebase with the newest Swift language features like Swift Concurrency and Macros.
  • Drive our vision in refreshing outdated pieces written in UIKit using SwiftUI.
  • Migrate Swift code to the Kotlin codebase.


We are seeking a Senior iOS Engineer who:

  • Takes pride in delivering high-quality, well-structured code.
  • Has an eye for detail.
  • Is eager to learn new technologies and adapt to different programming languages.
  • Loves collaborating and engaging with the community! (Hello KotlinConf! and NSSpain)
  • Excels in collaborative environments and values teamwork.
  • Is fluent in English with excellent written communication skills.
  • Has 6+ years of experience in mobile development
  • Is comfortable and proficient working in a fully remote environment.


Our Core Tech Stack:

  • Kotlin Multiplatform: Kotlin-Inject, Ktor, Sqldelight
  • iOS: Swift, SwiftUI, UIKit
  • Android: Jetpack Compose, Dagger


  • An exciting product with millions of users in over 150 countries, localized in 20 languages
  • A remote-first culture, working 100% from home with options to join a co-working space or to work from abroad for several weeks
  • An international team with English as our company language
  • Access to state-of-the-art technical equipment (laptop, external monitor, etc.)
  • 30 days of paid vacation
  • A Hhigh-impact work environment with short decision-making processes
  • A work culture characterized by focus and efficiency. We do not work overtime and, on the rare occasions this is necessary, you can take the additional hours off at another time.
  • Yearly company retreat and additional team events online and offline


At YAZIO, we are committed to creating a diverse and inclusive work environment. We believe in equality and encourage applications from all individuals, regardless of gender identity, race, religion, age, sexual orientation or disability. We value the unique perspectives and contributions that individuals from diverse backgrounds bring to our team.


Ready to take YAZIO to the next level and help people all over the world lead healthier lives? We look forward to receiving your application, including:

  • Your CV
  • A few lines or a short video explaining who you are and why you want to work at YAZIO
  • Feel free to share something that shows us a little more about your work (e.g., your LinkedIn profile).
Apply for this job


YAZIO was founded in 2014 and, with millions of users, YAZIO is one of the most successful nutrition apps in the world. YAZIO has a mission: To help as many people as possible live healthier lives through better nutrition. With users in more than 150 countries, we’re well on our way to accomplishing this goal. As a remote-first company, we promote a modern form of employment in which our team works together across several cities and countries.

Find out more about our team, our application process and open positions here:

To apply for this job please visit