Develop and maintain internal tools and console applications in Java/Kotlin. Build high-performance, multithreaded pipelines to process and transform data and assets, prepare AI prototypes for production, write tests and reviews, and collaborate on architecture and tooling using best practices.
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
Top Skills
Java,Kotlin,Python,Sqlite,Mysql,Postgresql,Sql,Threads,Coroutines,Rx,Java Streams,Rest,Json,Xml,Html,Git,Linux
Similar Jobs
Big Data • Food • Hardware • Machine Learning • Retail • Automation • Manufacturing
As a Sales Planning & Business Operations Trainee, you will assist in database management, report preparation, purchase order management, and forecasting analysis under the supervisor's guidance.
Top Skills:
CoupaExcelSAP
Software
Lead QA strategy and architecture, expand automated test coverage, own test infrastructure and CI/CD, mentor and transform SDETs into product-quality engineers, and integrate AI into QA workflows.
Top Skills:
Python,Pytest,Playwright,Jenkins (Multibranch Pipelines),Gitlab Ci,Opennebula,S3,Ceph,Allure Framework,Redash,Clickhouse,Slack,Jira,Rpm,Systemd,Ai/Ml
Other
Senior QA Automation Engineer responsible for designing and automating API and integration test cases, integrating tests into CI/CD (Jenkins), maintaining TestRail test cases, building automation for calling functionality, and collaborating within a Scrum team to ensure product quality.
Top Skills:
Java 11,Java 17,Testng,Gradle,Jenkins,Jira,Testrail,Ci/Cd,Api,Microservices,Performance Testing
What you need to know about the London Tech Scene
London isn't just a hub for established businesses; it's also a nursery for innovation. Boasting one of the most recognized fintech ecosystems in Europe, attracting billions in investments each year, London's success has made it a go-to destination for startups looking to make their mark. Top U.K. companies like Hoptin, Moneybox and Marshmallow have already made the city their base — yet fintech is just the beginning. From healthtech to renewable energy to cybersecurity and beyond, the city's startups are breaking new ground across a range of industries.


