Sandro Sobczyński
Full Stack Developer at Onwelo
Kwidzyn, Pomeranian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolSandro Sobczyński is a Full Stack Developer with eight years of experience building and maintaining web applications across banking, manufacturing, and inventory domains, currently focused on .NET Core, Angular, and SQL-based backends. He combines hands-on delivery at Onwelo and Jabil with entrepreneurial drive as the founder of hasto, contributing to both customer-facing and internal tooling while owning CI/CD and development process improvements. Sandro’s low-level programming chops are evidenced by significant contributions to the ps2sdk project, where he implemented and refactored PlayStation 2 Vector Unit support—an uncommon niche that highlights his comfort with embedded and performance-sensitive code. Comfortable in remote, cross-functional teams, he pairs practical backend expertise with responsive front-end skills and a history of mentoring peers. Based in Kwidzyn, Poland, he brings a pragmatic, detail-oriented approach to turning complex requirements into reliable production systems.
8 years of coding experience
3 years of employment as a software developer
Information Technology, Information Technology at Polsko-Japońska Akademia Technik Komputerowych w WarszawieTechnik informatyki, Technik Informatyki, Technik informatyki, Technik Informatyki at ZSP 1 Kwidzyn
English, Polish
Github Skills (8)
c1710
embedded10
c1110
sys10
dma9
assembler9
assembly9
assemblies9
Programming languages (7)
Github contributions (5)
ps2dev/ps2sdk
Nov 2020 - Jun 2022
Homebrew PS2 SDK
Role in this project:
Embedded Systems Engineer
Embedded Systems EngineerContributions:12 reviews, 7 commits, 9 PRs in 1 year 7 months
Contributions summary:Sandro primarily contributed to the `ps2sdk` repository by implementing and refactoring low-level functions related to the PlayStation 2's Vector Unit (VU). They added VU1 support, including packet2 structures and enums, chain functions, and various VIF opcodes. Their work involved significant code modifications, addressing both functionality and documentation. This includes refactoring existing code and fixing bugs.
ps2homebrewps2-homebrewsdk
h4570/university
Feb 2021 - May 2023
Projects that I did during my studies.
Contributions:2 PRs, 66 pushes, 1 branch in 2 years 3 months
pjatkjavapythondid
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