Senior Android Engineer (Yoga Go)

About Welltech

A future with Welltech

Welltech’s purpose is to move each and every body to start and stay well for life! Every trend, every piece of feedback and data, every experiment, and innovative solution we introduce, fuels the way we unlock wellness for and with our users. While appreciating and celebrating who they are, we strive to help them make turn small choices into lasting joyful habits. And that makes us proud of every step they take on their journey to living well, every day.

Disrupting industry

We are an international tech company with origin from Ukraine, founded in 2015, and a fast-growing global player with five hubs across Europe. With more than 220 million installs of our apps, Welltech offers disruptive, engaging fitness and wellness solutions. We are genuinely committed to creating value and ensuring a workplace where our talented, diverse individuals feel they belong as we shape the future of the health and fitness industry. Everything we do is driven by our purpose and guided by integrity, a testament to the trust we build- today and tomorrow.

Spread across five dynamic hubs in Cyprus, Poland, Spain, Ukraine and the UK, with a team of over 700+ #wellmakers, we provide an opportunity for everyone who is passionate about making an impact in the wellness industry.

Position

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.

Key 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

Your qualification

• 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

Will be a plus

• 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)

What we offer

• 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!

Additional details

Candidate journey: Recruiter call ---> Live Code Review --> System Design interview---> Meet the hiring manager

Check out some of our products

Muscle Booster — https://musclebooster.fitness/

Yoga-Go — https://yoga-go.io/

WalkFit - http://walkfit.pro