Overview
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 seeking a highly skilled and product-focused Android Engineer with demonstrated expertise in Domain-Driven Design, cross-functional product development, and Developer Productivity. In this position, you will collaborate closely with our Product, Engineering, and Data teams to support the continued development and enhancement of the Yoga-Go application. You will support iterative development methods and promote data-driven decision-making to ensure high-quality and effective solutions.
Responsibilities
* Co-own and take technical ownership of the team’s codebase and production systems, ensuring stability, scalability, and long-term maintainability
* Lead the design and development of high-quality, performant, and maintainable mobile solutions with a strong focus on architecture and best practices
* Drive end-to-end delivery by translating complex user and product needs into robust technical solutions, from discovery through production
* Shape the architecture and system design of the mobile application and its integrations with backend and platform services
* Actively influence technical direction and raise engineering standards through code reviews, design discussions, and knowledge sharing
* Collaborate cross-functionally with backend, frontend, security, infrastructure, and product teams to align on technical solutions and platform strategy
* Serve as a trusted technical partner for product and design, contributing to roadmap discussions and technical decision-making
* Mentor and support other engineers, fostering technical growth and a culture of ownership and excellence
* Work hands-on with a modern Android stack, including Kotlin, Coroutines and Flow, Jetpack Compose, and Jetpack libraries (Architecture Components, Navigation, DataStore, Room, Hilt, etc.)
* Identify opportunities for technical improvements and proactively drive initiatives that improve system quality, developer experience, and user impact
* Deliver high-impact features in a customer-centric environment, taking responsibility for outcomes that affect millions of users
Required skills
* Solid experience with Kotlin, including fundamentals like coroutines, networking, persistence, and performance optimization
* Experience with Jetpack Compose and modular, scalable UI architectures
* Excellent understanding of architectural patterns (MVVM, MVI, DI) and modular codebases
* Ability to manage risks, trade-offs 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
* Strong ability to design for reliability, scalability, and performance
* Experience working with CI/CD pipelines and tooling (e.g., Bitrise, Fastlane, Gradle, custom scripts)
* Strong advocate of design for testability, automated testing, and shift-left quality mindset
* Product-minded approach with a bias for pragmatic, maintainable solutions
Nice to have
* Experience with backend-driven UI
* Experience with data and/or multimedia
* Hands-on experience with OWASP mobile security best practices
* Experience implementing and advocating for methodologies that support fast iteration and high dev productivity (e.g. eXtreme Programming, Trunk Based Development, CI/CD mindset, BDD, TDD)
Candidate journey
Recruiter call → Live Code Review → System Design interview → Meet the hiring manager
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!
Products
Muscle Booster — musclebooster.fitness
Yoga-Go — yoga-go.io
WalkFit - walkfit.pro
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