Sergi Escalfet
Embedded Software Engineer at ArkEdge Space Inc.
Koto, Japan
Summary
🤩
Rockstar🎓
Top SchoolSergi Escalfet is an embedded software engineer with 13 years of experience specializing in low-level firmware, system software and SDR, currently working at ArkEdge Space in Tokyo’s Koto ward. He has deep RISC‑V expertise from developing firmware for a +1000-core AI inference SoC at Esperanto Technologies and pursues open source work focused on shader and compiler pipelines. Sergi combines academic rigor—a master’s in HPC and computer architecture from Universitat Politècnica de Catalunya and research time at Kyushu University—with hands-on improvements to projects like the Vita3K PlayStation Vita emulator. His contributions show a penchant for refactoring and optimizing complex low-level subsystems, particularly shader recompilation and swizzle handling. Comfortable across firmware, SDR and emulator back-ends, he brings a blend of systems-level precision and practical optimization experience. Colleagues describe him as a quietly prolific low-level developer who prefers impactful technical fixes over headlines.
13 years of coding experience
2 years of employment as a software developer
UPC Universitat Politècnica de CatalunyaResearch student, Computer Engineering, Research student, Computer Engineering at Kyushu University
English, Catalan, Spanish, Japanese
Stackoverflow
3reputation
0reached
0answers
0questions
Github Skills (8)
c-language10
shader10
cprogramming-language10
spirv9
opengl8
glsl8
emulation7
cpp6
Programming languages (19)
Github contributions (5)
Vita3K/Vita3K
Mar 2022 - Sep 2022
Experimental PlayStation Vita emulator
Role in this project:
Back-end Developer
Back-end DeveloperContributions:7 reviews, 5 commits, 8 PRs in 6 months
Contributions summary:Sergi contributed to the Vita3K emulator project by modifying shader-related code, specifically focusing on the `spirv_recompiler` and `usse` modules. Their work involved refactoring code, adding missing includes, and updating swizzle channel handling, indicating an effort to improve shader compilation and processing within the emulator. The changes suggest a focus on optimizing and refining the shader translation pipeline.
cppemulatorvitapsvitasega
xerpi/vita-baremetal-linux-loader
Nov 2019 - May 2021
PSVita bare-metal Linux Loader
Contributions:6 commits, 1 PR, 7 pushes in 1 year 6 months
bare-metalmetallinuxpsvitaamdgpu
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.