Umesh Ramchandani

Munich, Germany Rendering Algorithm Engineer - Contract Employee June 2023 – Present

Improved rendering performance with efficient compute-shader-based software and hardware multi-view shadow rasterization, achieving a 3x boost in micropolygon rendering.
Optimized Micropolygon Rendering by implementing Two-Pass HZB Culling and Occluded Shadow Culling, resulting in a 70% reduction in draw calls.
Created an efficient multi-group GPU MPMC Task Queue for LOD Selection and HZB Culling of clusters, optimizing performance
Introduced Geometry Shader support to O3DE.
Developed Virtual Shadow Mapping for Micropolygon Rendering enabling caching of Directional Light Shadows.
Optimized Raytracing for Micropolygon-like rendering systems with custom acceleration structures. Masters Thesis Student August 2022 – April 2023
Introduced performant Micropolygon Cluster selection and frustum culling for multiple views. • Prepared a pipeline for cluster generation specifically for Skeletal meshes.
Introduced Deferred Rendering for O3DE and Vertex Shader based skinning for skeletal meshes
Migrated Micropolygon cluster selection from CPU to GPU compute shaders, resulting in a 10-fold reduction in processing time.

Usaneers GmbH Munich, Germany Working Student March 2021 – July 2022

Designed and built an image detection and tracking system for Hololens 2, leveraging OpenCV and Unity.
Explored handtracking development on the NReal headset using the Mediapipe network.
Developed numerous Interactive Multi-User Experiences for Hololens 2.

Parallax Labs Mumbai, India Associate XR Engineer June 2019 – Sep. 2020

Developed a spatial awareness-based assistive application for Hololens for Changeover Parts Management, reducing the time required to changeover parts by 74%.
Created an online collaborative VR application for the space agency of India where users can preview satellite elevation models and interact with machine parts in an immersive virtual environment.
Developed a realistic VR medical emergency training simulation for Indian forces and a Golf simulation for Oculus Quest Intern Aug. 2017 - June 2019
Created a VR tool to visualize satellite elevation models and machine assemblies using Unity for ISRO. • Developed an immersive product preview experience using Unreal Engine 4 and Leap Motion.
Delivered a talk titled ”My Time in Space” at Unite India 2018, discussing VR tool developed for ISRO.

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