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.

We are seeking a talented Senior Mobile Engineer (i OS) to join our Growth Team and contribute to the development of innovative features. This job is 100% remote and can be based in Germany, Spain, Portugal or the U.K.

About the Growth Squad:

Our Growth Squad is on a mission to empower users to reach their health goals. We're a passionate team dedicated to building lasting habits, driving engagement and making YAZIO the go-to app for healthy living. We achieve this by designing and implementing creative mechanics that keep users motivated and excited to come back for more.

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!

Innovate & Collaborate: Partner with our Design, Analytics and Product Teams to design, implement and maintain cutting-edge features that define the future of our app

Optimize User Experience: Dive into extensive A/B testing to fine-tune user interactions and elevate key performance metrics

Drive Growth Initiatives: Proactively engage in the ideation and development of growth initiatives, ensuring each feature meets our business objectives and user needs

Strategic Insight: Understand the business model, user behavior and our growth mechanics. Leverage data to inform decision-making and develop improvement strategies

Mentor and Support: Guide junior developers, foster a collaborative environment and share your expertise to elevate the entire team’s skillset

Modern i OS Development: Write and maintain the i OS codebase using the latest Swift features, such as Swift Concurrency and macros. Lead the transition from UIKit to Swift UI, setting new standards for our mobile applications

Collaborative Coding: Learn Kotlin for developing features in our shared business logic (Kotlin Multiplatform). Work closely with fellow mobile engineers to share i OS insights and facilitate the migration of Swift code to Kotlin

i OS: Swift, Swift UI, UIKit
Kotlin Multiplatform: Kotlin-Inject, Ktor, SQLDelight
Android: Jetpack Compose, Dagger

High-Quality Code: Deliver meticulously structured, high-quality code with great attention to detail

Lifelong Learner: Eager to learn new technologies and adapt to different programming languages. Proficient in Swift and Swift UI; knowledge of Kotlin and Kotlin Multiplatform is a plus

Collaborative Spirit: Thrive in collaborative environments, value teamwork and actively engage with the tech community (e.g., Kotlin Conf, NSSpain)

Communication Skills: Fluent in English with excellent written communication skills and 6+ years of mobile development experience

Remote Work Proficiency: Comfortable and proficient in working in a fully remote environment

• 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 high-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 Linked In profile)

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: www.yazio.com/en/jobs