Android Tech Lead: AI, 3D Graphics & Kotlin Mastery

Planner 5D; Polska; Remote; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Great work environment

30+ days paid holidays per year

Company computer equipment

Education courses funded

English classes on corporate platform

Offline events in Lithuania and online

Unlimited Planner5D subscriptions

Job summary

Planner 5D is seeking a Lead Android Developer to own and shape Android features in a global home-design platform. You will influence the product by tackling complex areas like the graphic engine, multiplayer tech, and AI-driven design tools, including the Plan Upload, AI Designer, and Bernard AI.

Expect a fast-paced environment with strong engineering autonomy. You will work on Editor, 3D graphics, geometry and rendering challenges while maintaining high code quality and mentoring teammates.

Qualifications

• 7+ years of Android development experience, including leadership.
• Proficient in Kotlin and Java.
• Strong knowledge of the Android ecosystem (SDK, Jetpack, Dagger, libraries).
• Experience with SQL/SQLite/Room.
• Experience with concurrency (Kotlin Coroutines, RxJava).
• Experience with REST APIs, JSON, XML, Git, Protobuf.
• Good software design, code quality, and testing practices.
• Able to mentor others and communicate clearly.
• Ability to take ownership and make trade-off decisions.

Responsibilities

• Take ownership of Android development and understand the codebase.
• Choose technologies and approaches based on product needs.
• Involve in all aspects: design, analytics, payments, and authentication.
• Develop complex features including 2D/3D graphics, VR, AI components.
• Use popular Android libraries and Kotlin solutions.
• Mentor team members and perform code reviews.
• Develop a modular codebase and follow best practices.
• Collaborate with technical and non-technical teams.
• Support hiring as the team grows.

Skills

Android development

Kotlin

Java

Android ecosystem

REST APIs

JSON

XML

Kotlin Coroutines

RxJava

Code quality

Mentoring

Ownership

Communication

Tools

Dagger

Jetpack

Room

Git

Job description

Planner 5D is seeking a Lead Android Developer to own and shape Android features in a global home-design platform. You will influence the product by tackling complex areas like the graphic engine, multiplayer tech, and AI-driven design tools, including the Plan Upload, AI Designer, and Bernard AI.

Expect a fast-paced environment with strong engineering autonomy. You will work on Editor, 3D graphics, geometry and rendering challenges while maintaining high code quality and mentoring teammates.