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Personal Data

Born
7. November 1982, Switzerland
E-Mail
simon.kallweit@gmail.com
Skype
westlichter
Education

02/17/2014 – 30/09/2016
MSc in Computer Science, Swiss Federal Institute of Technology (ETH), Zürich.
Specialization Track: Visual Computing
Thesis: “Learning High-Order Scattering in Rendering from Data” Supervisor: Prof. Markus Gross
09/20/2010 – 08/30/2013
BSc in Computer Science, Swiss Federal Institute of Technology (ETH), Zürich.
Major: Computational Science
Thesis: “Photon Beam Methods in Rendering” Supervisor: Prof. Markus Gross
Work Experience

02/32/2020 - present
Software Engineer, NVIDIA, Zürich.
Working in the realtime graphics research team:
  • Core developer of the Falcor rendering framework
  • Design and implementation of a fast reference path tracer
  • Research and development of new light transport algorithms
07/03/2017 – 12/20/2019
Software Engineer, Esri R&D Center, Zürich.
Working as a core developer on the ArcGIS API for JavaScript platform:
  • Improving the WebGL based rendering engine
  • Design and implementation of various interactive tools for measuring features on maps
  • General development work
03/01/2017 – 06/09/2017
Intern, Disney Research Zürich, Zürich.
Worked on Deep Scattering: Rendering Atmospheric Clouds with Radiance-Predicting Neural Networks publication for SIGGRAPH Asia 2017.
11/14/2016 – 02/24/2017
Software Engineer, Freelancer
Worked on various software projects, most notably developed a custom web presence for swiss-PVD Coating AG.
09/02/2014 – 01/16/2015
Technology Intern, Walt Disney Animation Studios, Burbank, CA.
Worked on several problems and tasks related to rendering of participating media within Disney’s Hyperion Renderer:
  • Integration of Field3D and OpenVDB data formats
  • Implementation of transformation, advection and interpolation based motion blur for volumes
  • Design and development flexible yet performant framework for volume rendering
  • Design and development of a high performance adaptive volume data structure
06/30/2014 – 08/22/2014
Intern, Disney Research Zürich, Zürich.
  • Development of CUDA based volume rendering framework using residual ratio tracking
  • Extended residual ratio tracking with tri-linearly interpolated control variate
06/01/2008 – 12/16/2011
Software Developer, FELA Management AG, Diessenhofen.
Development lead for a commercial localization platform based on GSM/GPS technology. Contributions to the open-source real-time operating system eCos.
11/01/2001 – 03/31/2008
Software Developer, intefo AG, Herzogenbuchsee.
Responsible for analysis, design, implementation, testing and maintenance of software systems. Worked in multiple fields, including user interfaces, server applications and embedded systems in both Windows- and Linux-based environments.
Publications

2017
Deep Scattering: Rendering Atmospheric Clouds with Radiance-Predicting Neural Networks, Simon Kallweit, Thomas Müller, Brian McWilliams, Markus Gross, Jan Novák, Proceedings of SIGGRAPH Asia 2017
Awards

December 2015
ETHZ Rendering Competition, 1st place
December 2015
ETHZ Physically Based Simulation, 1st place (Audience)
June 2014
ETHZ Rendering Competition, 2nd place
August 2013
Demodays, 4k Procedural Graphics, 1st place
March 2013
Revision, PC 64k Intro, 2nd place
August 2012
Demodays, Realtime Size-Limited Compo, 1st place
Languages

German
Native
English
Fluent
French
Intermediate
Computer Skills

Languages
C/C++11, x86 SIMD, GLSL, OpenCL, CUDA, Python, JavaScript, Haskell
Tools
Git, Qt, CMake, Matlab, Mathematica, LaTeX
OS
OSX, Linux, Windows
Interests and Projects

Physically based rendering
Demoscene, size-limited programming
Electronic music production and live performance