Kotlin/Java Internal Tools Developer
23 hours ago
Madrid
We’re looking for a Java/Kotlin Engineer who will develop tools and pipelines related to AI, rendering, data conversion, and similar areas. Se pueden requerir diversas habilidades interpersonales y experiencia para el siguiente puesto. Por favor, asegúrese de consultar la descripción a continuación con atención. Tech Stack • Languages: Kotlin, Python, • Core development: Kotlin/JVM, Java, coroutines, serialization, reflection, dependency injection with Dagger, • 3D and rendering workflows: Blender Python scripting, glTF processing, 3D model conversion, geometry/math-related tooling, scene and asset preparation pipelines, • Data and storage: MongoDB, SQLite, FlatBuffers, • Infrastructure and observability: Prometheus metrics, Sentry, CI/CD, Git, Git LFS, internal monitoring and logging Responsibilities • 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. Required Knowledge • Strong 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. 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. Examples of Tasks • 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. xcskxlj, • 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. #J-18808-Ljbffr