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Internal application developer (Java / Kotlin)

Planner 5D

Hard Skills

Java (Programming Language) PostgreSQL Kotlin Concurrent Computing High Performance Computing Audio Formats 3D Reconstruction Solid Principles Linux Software Architecture JSON Application Programming Interface (API) Application Programming Interface (API) Test-Driven Development (TDD) Unit Testing Data Architecture Parallel Computing Code Analysis Java XML Stream Processing Post-Production AutoCAD Scrum (Software Development) Python (Programming Language) Digital Image Processing Concurrent Computing Data Collection IntelliJ IDEA Java Architectures Git (Version Control System) ThreadX JIRA HyperText Markup Language (HTML) Database Application 3D Computer Graphics 3D Computer Graphics Software Big Data OpenGL Kubernetes C++ (Programming Language) Ray Tracing WebGL Analytic Geometry Computer Vision Junit Docker (Software) Dagger 2 Continuous Training

Other Skills

  • •
    Mathematics
  • •
    Communication
  • •
    Teamwork
  • •
    Solutions Focused
  • •
    Problem Solving

Roles & Responsibilities

  • 5+ years of Java development experience
  • Proficiency in Kotlin and ability to write clean, maintainable code using TDD and design patterns
  • Solid SQL knowledge (SQLite, MySQL, PostgreSQL) and experience with REST, JSON, XML, HTML, and Git on Linux
  • Multi-threaded development experience (threads, coroutines, Rx, Java streams) and familiarity with the Java ecosystem frameworks/libraries

Requirements:

  • Develop new features and maintain console applications and utilities
  • Research and prototype technologies in AI, big data, 3D, and media formats for production use
  • Write high-performance, clean, testable code following SOLID principles, tests, code reviews, and clean architecture, and collaborate with the team
  • Work with development processes and tools (SCRUM, Jira, Git, IDEs) and contribute to data processing pipelines; write Java, Kotlin, and Python when needed

Job description

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’re looking for a Java Engineer who will develop tools and pipelines related to AI, rendering, data conversion, and similar areas. 

Requirements:
  • 5+ years of job experience in Java development
  • Knowledge how to write clean and maintainable code (best practices, TDD, design patterns)
  • General understanding and knowledge of the Java ecosystem (frameworks, libraries, services)
  • Experience with Kotlin
  • Solid SQL knowledge (SQLite, MySQL, PostgreSQL)
  • Multi-threaded development experience - threads, coroutines, Rx, Java streams
  • Supporting technologies - REST, JSON, XML, HTML, Git
  • Knowledge of Linux, common tools, and it's ecosystem
  • Fluent in English

    • Responsibilities:
  • Develop new features and maintain console applications and utilities
  • Research into current and upcoming technologies like AI, big-data, 3D, media formats, etc.
  • Write maintainable, high performance and high quality code using best practices, SOLID, tests, code reviews, clean architecture, etc.
  • Communicate within the team to clarify complex technical questions and collaborate on solutions.
  • Work with development processes and tools like SCRUM, Jira, Git, IDEs, etc.
  • Write Java, Kotlin and Python code when needed
  • Prepare code and prototypes from AI researchers for production use
  • Continuously learn and improve your skills (with support from teammates whenever needed).

    • Several example of tasks you will be doing:
  • Process data from APIs, databases, JSON, XML, and other sources.
  • Transform assets (images, 3D models, videos, etc.) into different formats
  • Import and export of 2D/3D data from and to .dxf/.dwg/.blend formats
  • Write a Blender plugin to load data and provide additional modeling functionality.
  • Write high performance code using CPU and GPU to the max (using parallel, concurrent programming like coroutines, threads, Rx, promises, futures, etc.)
  • Build processing pipelines, where multiple threads are used to max out CPUs and do lots of different processing on multiple threads/coroutines/Rx/java streams/etc.

    • Nice to have:
  • Experience with Python, C / C++ languages
  • Experience with popular libraries like Spring, Dagger, JUnit, Apache Commons
  • Understanding of 2D / 3D technologies and software (for example OpenGL, WebGL, Raytracing, Blender)
  • Understanding of Mathematics, Geometry, Computer Vision
  • Understanding of Kubernetes, Docker and nearby technologies

    • You will be truly welcome in our team if
  • Love what you do: We're looking for team members who truly enjoy their work and bring that enthusiasm to the team every day.
  • Tech geek at heart: If coding, experimenting with new software tools, or curious about tech trends is your thing, you're speaking our language.
  • With solution-oriented mindset: When you are faced with challenges, you start thinking of possible solutions instead of dwelling on the problems.
  • Have tech hobbies? Yes, Please!: programming, micro-controllers, 3D printing, physics, mathematics, etc.
  • Team Player Who Gets It: We value team members who can grasp tasks quickly and communicate their ideas effectively – teamwork makes the dream work!
    • 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
    Ready to apply?
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