**Who Are We?** We are **Welltech** \- a global company with Ukrainian roots and a powerful mission: **to move everybody to start and stay well for life**. Today **25\.5 million users** have trusted Welltech to help them build healthy habits \- a testament to the real value our innovative, engaging wellness solutions deliver every day. With five hubs across **Cyprus, Ukraine, Poland, Spain, and the UK** and a diverse, remote\-friendly team of **700\+** professionals, we continue to scale rapidly. Our innovative apps \- **Muscle Booster, Yoga\-Go, and WalkFit** \- empower millions to transform their lifestyles and unlock their personal wellness journeys. Welltech is where your impact becomes real. And our values clearly attest to that: **we grow together, we drive results, we lead by example, and we are well\-makers**. If this looks like you and you thrive in a fast\-paced environment, you’ll fit right in at Welltech. Let’s build wellness for millions together. **What We're Looking For** 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:** * Shape and co\-own the codebase as a member of a cross\-functional product\-engineering team. * Drive turning user needs into solutions end\-to\-end, from product discovery to supporting our code running in production. * Drive the design and development of a mobile app, and contribute significantly to the system design of the overall product. * Be a trusted partner for product, design, data, and other functions. * Work with and contribute to a **modern technology stack:** Kotlin, Kotlin Coroutines and Flow, Jetpack Compose, and other Jetpack libs (Arch components, Navigation, DataStore, Room, Hilt, etc). * Collaborate with other Engineers to constantly push the boundary of technical excellence across Android and beyond. * Implement cool ideas and have an impact on millions of users in a customer\-centric environment with a high degree of ownership. **Required skills:** * Proven impact in building new and/or refactoring existing large\-scale customer\-facing products. * Strong product \& business mindset. Proven ability to drive the building of successful products, working closely with Product Managers, Designers, and Domain experts. * Ability to choose the right tool for each challenge, learn new tools and technologies. * Ability to manage risks, trade\-offs, and propose efficient solutions. * Strong advocate of design for testability, automated tests, shift left, and willingness to work in an environment where engineers own the quality end\-to\-end. * Ability to learn fast, collaborate cross\-functionally, and communicate effectively. * Great understanding of object\-oriented, functional, and declarative paradigms, design patterns, and architectures such as MVVM/MVI, DI. * Strong experience with Jetpack Compose and composable, modular UI architectures in general. * Strong experience with Android Jetpack (Any of: Arch components, Compose, Navigation, Room, Hilt, WorkManager). * Experience building complex, dynamic, and interactive UIs. * Strong ability to craft clean, maintainable code. * Strong ability to design for reliability and scalability. * Strong grasp of Kotlin Coroutines and Kotlin in general. * Experience with Rest API, Retrofit. * Experience implementing and advocating for methodologies that allow fast iterations and maximise developer productivity, such as eXtreme Programming, Trunk Based Development, CI/CD mindset, BDD, TDD. * Strong advocate of technical patterns and solutions that optimise for the pace of experimentation (e.g. backend\-driven UI architecture, modularization, high cohesion/low coupling). * Great command of English. **Nice to have:** * Knowledge of libraries, tools, and approaches for building beautiful animations: MotionLayout, Lottie, Jetpack Compose animations, etc. * Experience with backend development. * Experience with data and/or multimedia. **Candidate journey**: HR call \-\> Live Coding \-\> System Design \-\> Cultual fit interview **Why You’ll Love Being Part of Welltech:** * **Grow Together**: Join a culture that champions both personal and professional growth. Here, you’ll 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**: We’re all about achieving meaningful outcomes. It’s not just about the effort, but the difference we make every day. * **We Are Well\-Makers**: Be part of a movement that’s creating a healthier, happier world. Together, we make well\-being a reality! **Check out some of our products** Muscle Booster — https://musclebooster.fitness/ Yoga\-Go — https://yoga\-go.io/ WalkFit \- http://walkfit.pro