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Andras Fuchs, C# Developer in Kecskemét, Hungary
Andras Fuchs

C# Developer in Kecskemét, Hungary

Member since May 26, 2016
Andras is now available for hire
Andras Fuchs, C# Developer in Kecskemét, Hungary
Andras Fuchs

C# Developer in Kecskemét, Hungary

Member since May 26, 2016
Andras is one of the very first Toptal certified Blockchain specialists and he's also a Microsoft Certified .NET Application Developer. He enjoys being part of a successful high performing team delivering a positive impact for businesses on a global scale. Besides his technical knowledge, Andras has strong communication and interpersonal skills. also has ranked him the top 917 (top 0.15%) algorithm programmers globally.
Andras is now available for hire


  • The Wanted System
    Blockchain, .NET Core, NBitcoin, Stratis, xUnit, MVC, Web API, Cryptography
  • Bio Balance Detector
    Atmel AVR, C, C++, C#, HTML5, JavaScript, Bootstrap, .NET Core
  • 555 Lottery
    Bitcoin, Blockchain, .NET, C#, MVC5, HTML5, CSS3, Cryptography, MS-SQL, LINQ...


  • C#, 13 years
  • Bitcoin, 5 years
  • Agile Software Development, 5 years
  • ASP.NET MVC, 5 years
  • Cryptocurrency, 5 years
  • Blockchain, 5 years
  • Performance Optimization, 1 year
  • .NET Core, 1 year
Kecskemét, Hungary



Preferred Environment

Windows, Visual Studio, GitHub, .NET Core

The most amazing...

...thing I've coded is a complete full node on a peer-to-peer network, delivering first of its kind, anonymous messaging system with military-grade encryption.


  • Lead Blockchain Developer

    2017 - PRESENT
    The Wanted System
    • Created a Bitcoin-like full node.
    • Finetuned the team's vision to fit the blockchain ecosystem.
    • Cooperated with other blockchain developers to make the development more cost-effective.
    • Implemented a military-grade message encryption feature.
    Technologies: Blockchain, .NET Core, NBitcoin, Stratis, xUnit, MVC, Web API, Cryptography
  • Researcher | Software and Hardware Architect

    2015 - 2017
    Bio Balance Detector
    • Designed the hardware which is able to detect electromagnetic waves around the human body.
    • Programmed the firmware for the hardware using Atmel's ASF framework, using its USB, USART, DMAC, and timer modules.
    • Optimized the different segments of the hardware to maximize data throughput.
    • Inspired the refactoring of a deprecated project called LibUsbDotNet which is a platform independent USB library for the .NET Framework and .NET Core.
    • Built a GUI for the hardware to display the raw values, waveforms and FFT spectograms of the data received from the sensors.
    Technologies: Atmel AVR, C, C++, C#, HTML5, JavaScript, Bootstrap, .NET Core
  • Founder | Developer

    2013 - 2014
    555 Lottery
    • Developed a Bitcoin payment system to detect and verify BTC transactions on a live system securely.
    • Created the business logic of the application in a way that made the lottery game trustworthy, using cartographic hashing.
    • Built a website with ASP.NET using the model-view-controller design pattern.
    • Used the then-new HTML5 responsive design practices, and AJAX-based dynamic pages.
    • Used a code-first approach to build the SQL database.
    Technologies: Bitcoin, Blockchain, .NET, C#, MVC5, HTML5, CSS3, Cryptography, MS-SQL, LINQ, Entity Framework 5
  • Founder | CTO

    2012 - 2013
    Mr. Kupido
    • Developed a code injection engine which was able to process strictly structural information and format into a preselected human-readable language.
    • Built a website with mostly vector-based graphic elements so the items remained sharp independently from the resolution or zoom level.
    • Created a C# code-based database of recipes so every recipe was a software program.
    • Researched many different diets and their impact on our health. I implemented the business logic of the site's recommendation engine to reflect those findings.
    • Developed the site and its database with a level of flexibility so that the multi-lingual output was supported on all levels.
    Technologies: .NET, C#, MVC3, HTML5, CSS3, SVG, MS SQL, LINQ, EF4
  • Technical Consultant

    2010 - 2011
    • Designed and developed our unified database system and its subsystems to upgrade the old, Excel-based PKI system.
    • Helped two teams to work together efficiently and solve the interpersonal conflicts between the department leaders.
    • Applied technologies to speed up key strategic evaluations for the company.
    • Helped building a new development team by recruiting new people and let internals joins our existing team.
    • Adopted a new, standardized database access module which made our system flexible and partially database-independent.
    Technologies: IT-Architect Skills, .NET Framework 4.0 (C#), Windows Communication Foundation, ASP.NET MVC, MVC/MVVM Design Patterns, Service Oriented Architecture, Oracle Database, Service and DB Optimization Techniques, Silverlight 4, Entity Framework
  • Technical Consultant

    2007 - 2008
    Hewlett Packard
    • Worked in a team on a public security project including, but not limited to the new employee management and education system of the Swiss Police and the transportation management of the Swiss Emergency Services.
    • Developed an in-memory database which increased the overall performance of our system dramatically.
    • Optimized some of the crucial parts of the emergency reporting code—potentially decreasing the reaction times of the police, ambulance, and firefighter services.
    • Integrated a user database of several systems—allowing its users to use a standardized single-sign on service.
    • Helped the leadership understand the development process deeper then before.
    Technologies: .NET Framework 3.0, Windows Communication Foundation, Service Oriented Architecture Design Principles, Intermediate Oracle Database Skills, Service and DB Optimization Techniques, Perfomance Counters, WinForms, UserControls, Efficient Teamwork
  • Technical Consultant

    2006 - 2007
    • Implemented and tested the business intelligence that was done by our team—providing an outstanding quality for our client.
    • Built the user management subsystem.
    • Helped to plan the coordination of our development process.
    • Kept my superiors in the loop of the development process so they were always up to date.
    • Discovered and fixed some bugs in their older, live system which made some of my college's and their customers' tasks easier.
    Technologies: .NET Framework 2.0, ASP.NET, C# 2.0, nAnt, Code Generation, nUnit, AJAX(Atlas), RDBMS, MS-SQL, T-SQL, DTS, ADO.NET, WinForms, XML Web Services (SOAP, SOA), OOP, OOD, Design Patterns, JavaScript, HTML/DHTML/XHTML, CSS, C++ Interoperability, SharePoint


  • Languages

    C#, CSS3, HTML5
  • Frameworks

    ASP.NET MVC, .NET, .NET Core
  • Libraries/APIs

    Web API, LINQ, jQuery
  • Tools

  • Platforms

  • Other

    Communication, Cryptocurrency, Bitcoin, RESTful APIs, Performance Optimization, Cryptography
  • Paradigms

    Agile Software Development, Dependency Injection
  • Storage

    Microsoft SQL Server


  • Microsoft Certified Solutions Developer (MCSD) in Microsoft .NET Framework
    2014 - 2014
    Microsoft - Hungary
  • Master's degree (2:1 degree) in Electrical Engineering and Informatics, Technical Informatics, and System Engineering
    2000 - 2005
    Budapest University of Technology and Economics - Budapest, Hungary
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