Android Engineer, Madrid

Overview Android Engineer

Who Are We?

Welcome to Welltech-where health meets innovation! As a global leader in Health Fitness industry, weve crossed over 200 million installs with five life-changing apps, all designed to boost well-being for millions. Our mission? To transform lives through intuitive nutrition trackers, powerful fitness solutions, and personalized wellness journeys—all powered by a diverse team of over 700 passionate professionals with presence across 5 hubs.

Why Welltech? Imagine joining a team where your impact on global health and wellness is felt daily. At Welltech, we strive to be proactive wellness partners for our users, while continually evolving ourselves.

What Were Looking For We are the product and engineering team responsible for Yoga-Go. We help improve the health and wellbeing of millions of people around the world by providing them with the best environment to practice yoga and related soothing activities for both the body and mind, at home.

We are looking for an Android Engineer who dreams of developing ambitious products that positively impact the lives of millions of users and wants to be part of a team that builds apps in the Health Fitness space

Key responsibilities Work with modern technology stack : Kotlin, Kotlin Coroutines and Flow, Jetpack Compose and other Jetpack libs (Arch components, Navigation, DataStore, Room, Hilt, etc)

Participate in the design and development of a mobile app and its integrations with other backend systems as a member of a cross-functional product-engineering team

Contribute to System Design of the overall product

Collaborate with other Engineers to constantly push the boundary of technical excellence across Android and beyond

Operate and support systems running in production

Implement cool ideas and have impact on millions of users in a customer-centric environment with high degree of ownership

Required skills Commercial experience in Android development (Kotlin)

Ability to choose the right tool for each challenge, learn new tools and technologies

Ability to highlight risks and propose efficient solutions

Experience with design for testability, automated tests and willingness to work in an environment where engineers own the quality end-to-end

Great understanding of OOP, design patterns and typical architectures, including : MVVM / MVI, DI

Ability to craft clean, maintainable code

Experience with Android Jetpack (Any of : Arch components, Compose, Navigation, Room, Hilt, WorkManager)

Experience with Kotlin Coroutines

Knowledge of Jetpack Compose

Experience with Rest API, Retrofit

Ability to learn fast, collaborate cross-functionally and communicate effectively

Interest in methodologies that allow fast iterations and increments such as eXtreme Programming, CI / CD mindset and TDD

Good command of English

Nice to have Commercial experience with Jetpack Compose

Experience with backend development

Candidate journey Intro call >

Technical Interview >

Final Interview

Why Youll Love Being Part of Welltech Grow Together : Join a culture that champions both personal and professional growth. Here, youll thrive as we learn, evolve, and succeed together.

Lead by Example : No matter your role, your leadership matters. Every team member is empowered to inspire and make an impact.

Results-Driven : Were all about achieving meaningful outcomes. Its not just about the effort, but the difference we make every day.

We Are Well-Makers : Be part of a movement thats creating a healthier, happier world. Together, we make well-being a reality!

Kotlin, Android,

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