Andras Fuchs
Senior Blockchain Developer at Toptal
Kecskemét, Hungary
Summary
🤩
Rockstar🎓
Top SchoolAndras Fuchs is a Senior Blockchain Developer with 13 years of engineering experience, a TopTal-certified blockchain specialist and Microsoft-certified .NET developer who blends systems-level thinking with product-focused delivery. He has founded and scaled multiple startups—building cloud-native backends, LLM-driven summarization pipelines, and commercial integrations—and maintains prominent open-source projects including notable contributions to LibUsbDotNet and the Freerouting PCB auto-router. At Toptal he ranked in the top 0.15% of algorithm programmers and routinely ships secure, high-performance backend and firmware code for cross-platform and embedded systems. His work spans blockchain, ML, hardware design and firmware, and he personally built electromagnetic sensing prototypes with ML-enabled firmware and GUIs. Fluent in turning research prototypes into production-grade software, he pairs deep technical chops with strong communication and a track record of growing global user bases and APIs.
13 years of coding experience
18 years of employment as a software developer
Masters in Technical Informatics (2:1 degree) Electrical Engineering and Informatics Technical Informatics System Engineering, Masters in Technical Informatics (2:1 degree) Electrical Engineering and Informatics Technical Informatics System Engineering at Budapest University of Technology and EconomicsFinancial Derivatives, Financial Derivatives at Securities & Investment Institute (SII) Diploma, London, UK
English, German, Hungarian
Stackoverflow
440reputation
139kreached
9answers
1question
Github Skills (22)
apidoc10
net10
dotnet10
usb10
java10
asp-net10
javas10
api10
dotnet-core10
refactoring10
csharp10
code-documentation9
build-automation8
unit-testing8
command-line-interface7
Programming languages (23)
Github contributions (5)
freerouting/freerouting
Jan 2020 - Jan 2023
Advanced PCB auto-router
Role in this project:
Back-end Developer
Back-end DeveloperContributions:12 releases, 19 reviews, 411 commits in 3 years
Contributions summary:Andras primarily focused on refactoring code within the Java source files, replacing deprecated `Integer` and `Double` constructors with their respective `valueOf` methods. They also addressed and resolved numerous Javadoc warnings to improve code quality and documentation. The user also modified the command-line arguments to automate .dsn, .ses, and .scr file exports and added logic for features like intermediate saving and auto-routing passes for improved functionality and testing.
autorouterpcb-designdsnspecctraautoroute
LibUsbDotNet/LibUsbDotNet
Jan 2017 - Mar 2017
My updates to LibUsbDotNet, an excellent library for cross-platform USB device control using Mono/.NET
Role in this project:Back-end Developer
Back-end DeveloperContributions:8 commits, 3 PRs, 7 comments in 1 month
Contributions summary:Andras contributed significantly to the `libusbdotnet` project by refactoring and adding new methods to interact with the libusb-1.0 library. They separated concerns within the API, reordered method definitions to reflect the original C++ header, and added new methods to access and utilize the libusb library. The user also added the required structures and unit tests to accommodate the modifications and improvements within the code base.
serial-portswindowsexcellentmonousb
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