Java/Kotlin Internal Tools Developer
2 days ago
Valencia
ppWe’re looking for a bJava/Kotlin Engineer /b who will develop tools and pipelines related to AI, rendering, data conversion, and similar areas. /p h3Tech stack /h3 ul liLanguages: Kotlin, Python /li liCore development: Kotlin/JVM, Java, coroutines, serialization, reflection, dependency injection with Dagger /li li3D and rendering workflows: Blender Python scripting, glTF processing, 3D model conversion, geometry/math-related tooling, scene and asset preparation pipelines /li liData and storage: MongoDB, SQLite, FlatBuffers /li liInfrastructure and observability: Prometheus metrics, Sentry, CI/CD, Git, Git LFS, internal monitoring and logging /li /ul h3Responsibilities /h3 ul liDevelop and maintain Kotlin/JVM-based backend tools, console applications, utilities, and automation pipelines. /li liDevelop and support Python-based Blender rendering pipelines, including scene processing, automation and production rendering workflows. /li liWork on platform components for preparing catalogs, launching processing pipelines, converting 3D models, and supporting internal production workflows. /li liBuild and maintain tooling related to 3D content processing, geometry, scene preparation, wall generation, model conversion, and other math-heavy tasks. /li liResearch and evaluate current and upcoming technologies related to 3D, rendering, media formats, data processing, and production automation. /li liWrite maintainable, high-performance, and high-quality code using best practices, SOLID principles, automated tests, code reviews, and clean architecture. /li /ul h3Required knowledge /h3 ul liStrong experience with Java and/or Kotlin on JVM. /li liPractical experience with Python, willingness to work deeply with Python-based Blender rendering pipelines. /li liGood understanding of JVM ecosystem: Gradle, dependency management, modular code structure, debugging, profiling, logging, and performance optimization. /li liSolid SQL knowledge (SQLite, MySQL, PostgreSQL). /li liGood understanding of object-oriented programming, SOLID principles, clean architecture, and maintainable code design. /li liAbility to work with math-heavy, data-heavy, or algorithmic tasks and turn them into stable production solutions. /li liAbility to write clean, reliable, high-performance code and cover critical logic with tests. /li liKnowledge of Linux, common tools, and Linux ecosystem. /li liFluent in English. /li /ul h3Nice to have /h3 ul liExperience with Python, C / C++ languages. /li liExperience with popular libraries like Spring, Dagger, JUnit, Apache Commons. /li liUnderstanding of 2D / 3D technologies and software (for example OpenGL, WebGL, Raytracing, Blender). /li liUnderstanding of Mathematics, Geometry, Computer Vision. /li liUnderstanding of Kubernetes, Docker and nearby technologies. /li /ul h3Examples of tasks you will be doing /h3 ul liProcess data from APIs, databases, JSON, XML, and other sources. /li liTransform assets (images, 3D models, videos, etc.) into different formats. /li liImport and export of 2D/3D data from and to .dxf/.dwg/.blend formats. /li liWrite a Blender plugin to load data and provide additional modeling functionality. /li liWrite high performance code using CPU and GPU to the max (using parallel, concurrent programming like coroutines, threads, Rx, promises, futures, etc.). /li liBuild 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. /li /ul /p #J-18808-Ljbffr