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Salary
≈ $60k – $108k per year (Estimated)
Location
Hybrid (Warsaw, Poland, Amsterdam, Netherlands, Barcelona, Spain)
Seniority
Staff · 7+ years exp
Employment
Contractor

Confirmed on the employer's own hiring board on Oct 17, 2026. First seen by Alion on Apr 14, 2026. Planner 5D scores A on the Alion truth index.

Overview
Company
Impact
Profile match
Planner 5D is a home and interior design software company whose web, desktop and mobile apps let users draw floor plans, furnish rooms in 3D and view designs in walkthroughs and augmented reality. The tools include a large catalogue of furniture and decor items, AI-assisted layout and design features and options used by hobbyists, students and design professionals. Founded in 2011, the company is headquartered in Vilnius, Lithuania.

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)
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