Jul 2024 – Dec 2024 · 5 mos · Brussels Region, Belgium · Remote

• Researched new alpha signals for crypto HFT strategy using Python, math/statistics
• Created a multi-asset crypto HFT backtester in python, featuring latency aware time queue
• based event execution, queue position estimates, was live validated.

Dec 2021 – Feb 2024 · 2 yrs 2 mos

• 800ns internal latency (without user-level network stack) traded crypto on Binance, OKX, Crypto.com
• Led 2 exchange connectivity developers + cooperated with the Lead Quantiative Researcher
• Created custom user-level tcp/ip stack, kernel bypass with PF_RING/DPDK
• Contributed to strategy with a better dynamic percentile based spread quoting

Aug 2021 – Nov 2021 · 3 mos · Australia

• Increased profits by 25% with C++ latency optimizations, from 8 μs to 600 ns (network stack not included)
• CME buy side, Ubuntu & Red Hat Linux, Solarflare NIC, OpenOnload, TCPDirect, C++, OnixS CME C++ FIX library, reported directly to the CTO about architecture/latency improvements of the trading system
• Developed & optimized an MBP, MBO exchange emulator

Feb 2021 – Jun 2021 · 4 mos · Pennsylvania, United States

• Ubuntu Linux, C++, OpenCV, Docker, NodeJS backend & MongoDB
• Worked on every part of the License Plate Recognition Software (except Machine learning), it scanned and identified car plates from CCTV camera recordings , performance was key
• Leading one C++ person in the team

Apr 2020 – Sep 2020 · 5 mos · Los Angeles, California, United States

• Ubuntu Linux, fix/refactor OpenGL shaders for pointcloud & filter display
• Acquired some Geospatial data knowledge, coordinates & time conversions
• Improved the stability of point cloud post processor desktop application, worked on UI / UX (C++ QT), tools, multi-threading, optimization, software initialization bug fixes
• Created Point-cloud attributes histogram display with custom QT control

Jul 2019 – Mar 2020 · 8 mos · Toronto, Ontario, Canada

• C# & OpenCL machine learning latency optimization (Geno - Synthetic AI for
• trading stocks software) 23x speed improvement on single thread!, 80x with
• 4 cores
• Porting Visual Basic codes to C#

Nov 2018 – Jan 2019 · 2 mos · Birmingham, England, United Kingdom

• C++ & C# code optimization in Enigma Recovery software, 6x speed improvement on the original iPhone sql database extraction (per thread memory allocation + custom job system I created)
• The software was about restoring user deleted image/video/contact/sms data from iphone, from sqlite database it wasn’t removed back then (and it was recoverable).

Jan 2017 – Oct 2018 · 1 yr 9 mos · San Jose, California, United States

• For AMD worked on Radeon ProRender plugin for maya/3ds max: C++ bug fixes, UI, multithreading, optimization, new features (render library wasn't in scope, but interfacing with it and UI was)
• For Adidas created a WebGL shoe viewer in Unity 5 (Android + PC + Web) which can load and render shoes from amazon S3 (C# + Javascript)
• For Intel created a Windows Mixed Reality (VR) Crowd Simulation Demo in Unity 5 C# where I used C++ Recast & Detour 3rd lib pathfinding solution which I extended with multithreading (Downloadable source code -> top-left side of the page) https://software.intel.com/en-us/articles/intel-multicore-enterprise-vr-experience-integrating-crowd-simulations-into-mixed-reality
• For IKEA created a GLTF model viewer in Unity 5 (C#) which was able to load Draco compressed GLTF files
• Worked on a HoloLens project in Unity 5 where I shared the hologram between multiple users (C# HoloLens Networking API)

Oct 2016 – Nov 2016 · 1 mo · Barcelona Area, Spain

• Every shader written in WebGL 1.0 and uses Physically Based Shading
• Hierarchical - Z Cone Traced Screen Space Reflections with optional progressive ray - tracing (ray jittering + color averaging across frames)
• Screen Space Cone Traced Multi Bounce Ambient Occlusion
• SMAA Anti - Aliasing
• Linear cost Depth Of Field with Bokeh shapes
• Static Cubemap Space Reflections (Parallax correct reflections on arbitrary surfaces, slower than parallax corrected cubemaps but can be used for arbitrary surfaces)

Aug 2013 – Sep 2016 · 3 yrs 1 mo · Budapest, Hungary

• Ported in-house game engine's DX9 renderer to DX11 and PS4
• Implemented Physically Based Shading & Render Pipeline (PBR) https://www.youtube.com/watch?v=4FufSyaL09s
• Created an own Diffuse shading model that takes F0 (reflectance) and material microstructure into account, so diffuse + specular more energy conserving <= input energy
• Implemented Best Fit Normals (high precision compressed vertex normal) achieved with voxel marching on the GPU
• Created GBuffer byte packing functions for Subsurface Scattering, etc
• Overwrote C++ new/delete with a memory allocator I created that is thread safe and ~2.5x time faster than windows 10 (2016) memory allocator
• Bug fixes in Sound Streaming System
• Solo coded an unannounced prototype game with Unreal Engine 4, Oculus Rift Development kit 2 and Steam VR
• Started coding a new in-house editor with C++ QT from scratch
• Titles I’ve worked on:
• https://store.steampowered.com/app/527430/Warhammer_40000_Inquisitor__Martyr/
• https://store.steampowered.com/app/272470/The_Incredible_Adventures_of_Van_Helsing_II

Jun 2013 – Jul 2013 · 1 mo · Budapest, Hungary

• 2D gameplay scripting (Angelscript language)
• Improved the usability of the 3D/2D in-house editor (C++)
• Ported GLES shaders to GLSL
• Shader speed optimizations (like removing unnecessary normalization for cubemap sampling)