Kotlin/Java Internal Tools Engineer — 3D Rendering

Planner 5D; Valencia; Presencial; EUR 45.000 - 70.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Great work environment

30+ days paid holidays

Company computer equipment

Education funds for training

English classes

Offline events

Unlimited Planner5D subscriptions

Descripción de la vacante

Planner 5D in Valencia, Spain, is seeking a Kotlin/Java Engineer to build backend tools and Blender-based rendering pipelines, driving 3D content processing for our design platform. You will work on Kotlin/JVM tooling, Python pipelines, and platform components to convert 3D models and prepare catalogs, collaborating across teams to deliver high-performance production software.

Join a global team valuing ownership, quality, and innovation, with a strong emphasis on best practices, testing, and

Formación

• 6+ years of experience with Java and/or Kotlin on JVM.
• Practical experience with Python, willingness to work deeply with Python-based Blender rendering pipelines.
• Good understanding of JVM ecosystem: Gradle, dependency management, modular code structure, debugging, profiling, logging, and performance optimization.
• Solid SQL knowledge (SQLite, MySQL, PostgreSQL).
• Good understanding of object-oriented programming, SOLID principles, clean architecture, and maintainable code design.
• Ability to work with math-heavy, data-heavy, or algorithmic tasks and turn them into stable production solutions.
• Ability to write clean, reliable, high-performance code and cover critical logic with tests.
• Knowledge of Linux, common tools, and Linux ecosystem.
• Fluent in English

Responsabilidades

• Develop and maintain Kotlin/JVM-based backend tools, console applications, utilities, and automation pipelines;
• Develop and support Python-based Blender rendering pipelines, including scene processing, automation and production rendering workflows;
• Work on platform components for preparing catalogs, launching processing pipelines, converting 3D models, and supporting internal production workflows;
• Build and maintain tooling related to 3D content processing, geometry, scene preparation, wall generation, model conversion, and other math-heavy tasks;
• Research and evaluate current and upcoming technologies related to 3D, rendering, media formats, data processing, and production automation;
• Write maintainable, high-performance, and high-quality code using best practices, SOLID principles, automated tests, code reviews, and clean architecture

Conocimientos

Java/Kotlin on JVM

Python

SQL

Linux

Dagger/Gradle

English fluency

Herramientas

Spring

Dagger

JUnit

Apache Commons

Kubernetes

Docker

Descripción del empleo

Planner 5D in Valencia, Spain, is seeking a Kotlin/Java Engineer to build backend tools and Blender-based rendering pipelines, driving 3D content processing for our design platform. You will work on Kotlin/JVM tooling, Python pipelines, and platform components to convert 3D models and prepare catalogs, collaborating across teams to deliver high-performance production software.

Join a global team valuing ownership, quality, and innovation, with a strong emphasis on best practices, testing, and