Alexander Papageorgiou, Cryptography Developer in Athens, Central Athens, Greece
Alexander Papageorgiou

Cryptography Developer in Athens, Central Athens, Greece

Member since February 3, 2020
Alex is a software developer primarily specializing in blockchain technology, having developed for both commercial applications as well as innovative initiatives. He has spearheaded the development of blockchain applications in European Horizon 2020 projects and worked on building commercial applications, such as a multi-currency account management service that boasted support for over 70 currencies and 13 blockchains.
Alexander is now available for hire

Portfolio

  • Interfima
    WebRTC, MongoDB, Docker, Fastify, Node.js, Angular
  • Inlecom
    Angular, Docker, Node.js, Tendermint, Hyperledger Fabric, Ethereum
  • Eriden, LLC.
    NEO, Litecoin, Dash, Zcash, Nano, IOTA, EOS, ERC20, Solidity, Bitcoin, Ethereum

Experience

Location

Athens, Central Athens, Greece

Availability

Part-time

Preferred Environment

Docker, VS Code, Windows, Linux

The most amazing...

...project I've developed was a decentralized online method through which one can retain a cryptocurrency account with zero-access encryption.

Employment

  • Software Engineer

    2018 - PRESENT
    Interfima
    • Developed software for clients who wanted to digitally transform their internal operations primarily consisting of PoCs and full solutions in the form of web, mobile, and desktop applications.
    • Focused on clients in the fintech and healthcare space, while internal tools were developed when necessary for the company. Peer-to-peer protocols were also utilized for streaming data security in a local network between its peers.
    • Achieved the adoption of a zero-access peer-to-peer encrypted messaging protocol as well as local recording techniques for web conferences.
    Technologies: WebRTC, MongoDB, Docker, Fastify, Node.js, Angular
  • Blockchain Specialist

    2018 - PRESENT
    Inlecom
    • Led the blockchain integration and development on the CHARIOT Horizon 2020 project, where I developed a decentralized PKI cryptographic system.
    • Led the blockchain research and innovation aspect on the ICONET Horizon 2020 project, where I developed a purpose-built blockchain for PI logistics using contract arbitration via Ricardian contracts.
    • Worked on several European projects on the proposal stage to meaningfully introduce blockchain technology.
    • Contributed to several publications for the aforementioned projects and have presented in major conferences such as IEEE CAMAD 2019.
    Technologies: Angular, Docker, Node.js, Tendermint, Hyperledger Fabric, Ethereum
  • DLT Technician

    2018 - 2019
    Eriden, LLC.
    • Integrated various distributed ledger technologies (DLT) into the payment infrastructure of a banking institution, supporting the provision and complete management of cryptocurrency accounts.
    • Forked library implementations of blockchain clients to properly adjust and interface them with new blockchains not yet added to a library.
    • Coded methods with arbitrary ERC20 and other token-standard tokens that were able to be interacted with via the payment infrastructure. It included the cryptographic generation of blockchain key pairs as well as unique encryption methodologies to secure any operations that involved the private key.
    Technologies: NEO, Litecoin, Dash, Zcash, Nano, IOTA, EOS, ERC20, Solidity, Bitcoin, Ethereum

Experience

  • Arctus Decentralized Zero-access Wallet

    Arctus was a project that was developed under a startup accelerator that later developed into a free and open-source project. The application is a web interface that allows you to create a cryptocurrency account for over 80 currencies and 12 blockchains, all while retaining your private key on the client-side throughout the whole process. The key pair is generated via a simple login form of a username and password, thus ensuring that it is easy to remember and can be logged into from any computer.

Skills

  • Languages

    Go, JavaScript, Solidity
  • Frameworks

    React Native, Tendermint, Fastify, Nano, Angular, Truffle
  • Storage

    CockroachDB, MongoDB
  • Platforms

    Hyperledger Fabric, Docker, Windows, Ethereum, Blockchain, Linux
  • Industry Expertise

    Security
  • Libraries/APIs

    WebRTC, Node.js
  • Tools

    VS Code
  • Other

    Bitcoin, ERC20, EOS, IOTA, Zcash, Dash, Litecoin, NEO, Cryptography

Education

  • Bachelor's Degree in Computer Science
    2016 - 2019
    Athens University of Economics and Business - Athens, Greece

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