# Xi (Ma) Chen > Pen spinner Location: Mountain View, California, United States Profile: https://flows.cv/ximachen pi ## Work Experience ### Expert Rendering Engineer @ 31st Union Jan 2021 – Present | San Mateo, California, United States ### Additional Development @ Striking Distance Studios Jan 2019 – Jan 2020 | San Ramon, California I developed additionally ### Senior Rendering Engineer @ Sledgehammer Games Jan 2019 – Jan 2019 | Foster City, California Graphics research and development on Call of Duty: Modern Warfare. PBR post processing effects, screen space reflections, GTAO, translucent materials, skybox pipeline, depth of field effects, physical lens distortion / aberration / vignette, hair shader, height-based falloff for volumetric fog, white balance, pupil dilation ...etc ### Rendering Engineer @ Sledgehammer Games Jan 2017 – Jan 2019 | Foster City Rendering engineer, Call of Duty: WWII, Call of Duty: Modern Warfare "This is Band of Brothers as shot and written by a more sober Michael Bay." - Polygon "Campaign still has bullet-spongey AI" - Ausgamers "Unfortunately the Call of Duty: WWII campaign is not up to the task, falling into rote cliches and overly familiar territory." - Polygon ### Systems Software Engineer @ NVIDIA Jan 2015 – Jan 2017 | Santa Clara Part of the Tegra mobile 3D graphics driver team. I worked on the Nintendo Switch game console, part of the core graphics team responsible for the proprietary next-gen NVN graphics API. NVN will be used for first and third party titles. Also worked on OpenGL/ES conformance during my previous internships. ### Associate Research Engineer @ CSIRO's Data61 Jan 2012 – Jan 2014 | Neville Roach Research Laboratory, Kensington, Sydney Part-time research assistant on SSRG kernel team working on: * Virtual Machine Monitor to virtualise Linux on seL4 with Intel VTX * Redis on seL4, and Redis on CAmkES component architecture on seL4 * RefOS - Reference multi-server OS design and implementation on seL4 * Kitty - RFID vending machine system using RefOS * Kernel performance micro-benchmarking and optimisations ### Software Engineer (Intern) - Tegra - 3D Graphics @ NVIDIA Jan 2013 – Jan 2013 | Santa Clara, California, United States Working on * ES31 spec & conformance work on Tegra K1 * Shader stuff for customer (Xiaomi Mi Pad) * Regression server for hw power measurements * Cleaning up the GL_OES_EGL_image_external extension * An internal ES2 extension * Testing coverage improvements * General driver bug fixes ### Software Engineer Intern @ Google Jan 2011 – Jan 2012 | Pyrmont, Sydney, Australia SWE Intern on geo-monetization, working on experimentation using location-based search data for asynchronous browse ads on Google Maps. ### Tutor / Consult @ University of New South Wales Jan 2009 – Jan 2009 | University of New South Wales Tutored for COMP3421 Computer Graphics, 3rd year computer science graphics course. Also consulted for COMP1917, first year entry level computing source at CSE, UNSW. ## Education ### Bachelor of Science (BSc) Honours 1st Class in Computer Science UNSW ### James Ruse Agricultural High School ## Contact & Social - LinkedIn: https://linkedin.com/in/xi-ma-chen-b4206949 - Portfolio: http://www.hypernewbie.com - Portfolio: http://soundcloud.com/hypernewbie - Portfolio: http://www.juggling-records.com/juggler_page.php?j=00e --- Source: https://flows.cv/ximachen JSON Resume: https://flows.cv/ximachen/resume.json Last updated: 2026-04-10