Jans Margevics
QA Engineer at Unity Technologies, Inc.
Vilnius, Vilnius County, Lithuania
Summary
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RockstarJans Margevics is a QA Engineer with 7 years of hands-on experience focused on graphics and rendering pipelines, currently working as a Graphics Test Engineer at Unity Technologies. He combines test automation and scene-level runtime verification to validate HDRP features—lighting, volumetrics, decals, and shader graphs—while tuning visual comparison thresholds and reference assets to ensure visual fidelity. Jans also contributes full-stack improvements to VFX tooling, notably enhancing Blender flipbook workflows, custom emissive support, and compositor scaling for better frame-based image processing. Based in Vilnius, he bridges development and QA by shipping reproducible test scenes and tooling that directly improve artist and engine workflows, demonstrating a practical blend of graphics engineering and quality assurance.
6 years of coding experience
Github Skills (10)
unity3d10
scene10
hdr10
blender10
image-processing10
scene-manager10
testing10
image-comparison9
shadergraph8
python8
Programming languages (2)
Github contributions (5)
Unity-Technologies/Graphics
Jun 2019 - Dec 2022
Unity Graphics - Including Scriptable Render Pipeline
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:141 reviews, 60 commits, 8 PRs in 3 years 6 months
Contributions summary:Jans's commits primarily involve modifying and adding scenes for testing within the Unity graphics repository. The commits reveal changes to scene settings, lightmaps, and post-processing configurations, indicating a focus on verifying visual fidelity and performance. These modifications suggest the user is involved in runtime testing of HDRP features, including clouds, flares, decals, volumetric cloud reflections, and different shader graphs. The user frequently adjusts scene parameters, updates reference images, and increases threshold values for visual comparisons, which emphasizes a quality assurance role.
renderpost-processingpipelinescriptableunity
Unity-Technologies/VFXToolbox
Jan 2023 - Jan 2023
Additional tools for Visual Effect Artists
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:1 review, 7 commits, 2 PRs in 6 days
Contributions summary:Jans focused on enhancing the Blender integration within the VFX Toolbox, specifically for generating flipbooks and integrating custom emissive features. They addressed a bug related to custom emissive paths and optimized the code for frame-based image processing. Furthermore, the user added new features, such as frame stepping, and implemented a scaling node within the compositor, ensuring the correct image size, ultimately improving the workflow.
post-processingadditionalshaderartists
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