Android Team Lead

Location: Warsaw; Amsterdam; Barcelona Workplace: hybrid About us: Planner 5D is a global hub for home design, uniting over 100+ million users in 230 territories around our planet (yes, we have 2 users connecting from Antarctica each month!). Our platform simplifies the home renovation process from concept to execution, and this process has never been more straightforward with our cutting-edge software. You don't need to be a professional designer to enhance your home or workspace. We are dedicated to streamlining the design experience, making the customization of dream homes accessible to everyone. Our cross-platform presence spans Web, iOS, Android, Windows, and MacOS, ensuring seamless synchronization for our users.  Planner 5D is more than just software; it's a vibrant community of enthusiastic and product-oriented professionals. From diverse backgrounds, our team collaborates across time zones, fueled by a shared passion to revolutionize the home design market. We are constantly looking for like-minded talent eager to take ownership and drive innovation within our expanding suite of tools. Join us in shaping the future of home design. We are looking for a Lead Android Developer who will take personal responsibility for every new feature inside the P5D product. This is a role for someone who still enjoys writing code and wants to have real influence on the product. You will work on complex parts like graphic engine, multiplayer technology and Ai, including: Design Generator for image-to-image creation, Plan Upload to convert files into projects, AI Designer for styling and furniture layout, and Bernard AI - an LLM that answers questions, gives advice, and controls the AI Designer. We care a lot about quality - clean code, strong engineering standards, and decisions that drive the market. We keep things simple - no extra layers of approval when good judgment is enough.  Our engineering team has real power to suggest better tech solutions and influence product. That freedom comes with real responsibility because your decisions will have a tangible impact in a product used by 100M+ users. We love to learn: we dive into challenges and give 100%. Every tough task is just a way to find a better solution and get better at what we do. You will be surrounded by strong engineers with high standards. It is a demanding environment, but also one where good work is respected and where you can work on really interesting technical challenges -  including the Editor, 3D engine, geometry, and rendering. Responsibilities: Take ownership of Android development and build a strong understanding of the codebase and existing solutions Choose the right technologies and approaches based on the problem and long-term product needs Be involved in all aspects of the product development, from pixel-perfect design to analytics, payments, and user authentication Work on interesting and complex features, from simpler tasks like building custom views and APIs to 2D/3D graphics, VR, AI, CRDT and similar Utilize popular Android libraries and Kotlin solutions Help the team solve technical problems, answer questions, and find practical solutions Develop a modular codebase, conduct thorough code reviews, follow best practices and coding guidelines Work closely with both technical and non-technical teams Support hiring as the team grows Requirements: 7+ years of experience in Android development (including Leadership experience) Extensive experience with Kotlin and Java Extensive knowledge of the Android ecosystem (Android SDK, Jetpack, Dagger, and common libraries) Experience with SQL, SQLite, and Room Experience with concurrency and asynchronous programming (Kotlin Coroutines and RxJava) Experience working with REST APIs, JSON, XML, Git, and Protobuf Very good understanding of software design, code quality, and testing practices Ability to write clean, readable, and maintainable code Ability to make technical decisions and explain trade-offs Provide mentoring and constructive feedback to developers Strong sense of ownership Clear and concise communication Ability to work effectively with both technical and non-technical teams Experience with in-app payments and subscriptions Fluent English Nice to have: Experience with 2D/3D graphics (Canvas, OpenGL, Vulkan, or Google Filament) Visa sponsorship is available if you hold primary residence with work authorization. What we offer: - Great work environment that balances freedom and responsibility - Our team is made up of friendly and passionate enthusiasts who are eager to help and share their knowledge - We believe in work-life balance, so you'll receive around 30+ days of paid holidays per year - Company computer equipment by request - Education courses for our team members, and we're willing to allocate funds toward your training expenses - English classes on our corporate platform - Offline company events in Lithuania and online team-building - Unlimited free Planner5D subscriptions