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Andras Fuchs, Cryptocurrency Developer in Kecskemét, Hungary
Andras Fuchs

Cryptocurrency 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
  • Cryptocurrency, 5 years
  • ASP.NET MVC, 5 years
  • Agile Software Development, 5 years
  • Blockchain, 5 years
  • Bitcoin, 5 years
  • .NET Core, 1 year
  • Performance Optimization, 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#, Solidity, CSS3, HTML5
  • Frameworks

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

    Web API, LINQ, jQuery
  • Tools

  • Platforms

    Blockchain, Hyperledger, Ethereum, R3 Corda
  • Other

    Communication, Cryptocurrency, Bitcoin, Smart Contract, Ethereum Smart Contract, Altcoin, 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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