Hình đại diện của fervensong
@fervensong
Cờ của China Donggang, China
Làm thành viên từ 22 tháng 1, 2020
2 Đề xuất

fervensong

Trực tuyến Ngoại tuyến
** My Top skills ** - for software with cryptocurrency technology - for MEAN Stack, Website development with Laravel, Wordpress, Spring and ASP.NET frameworks. - for IPTV system and video service using FFMPEG. -- for Frontend with Vue.JS, React.JS (only like technical lead) -- for Clent Side Applications: Qt/QML cross-platform developing (C/C++) -- for Server Side: Golang, Ruby on Rails, PHP, Node.js, Python -- for Microcomputers (Raspberry/Beaglebone/etc): C/C++, Python -- for DB: always trying to use pure Erlang DB - MariaDB, MySQL, MongoDB, SQLite ** About my experience: -- Web site like Booking, Trading, and Payroll system. -- Blockchain: For at least 7+ years -- POS System that contains website, mobile app, and crytocurrency. -- Monero based privacy cryptocurrency development -- Masternode coin development -- Blockchain protocol update BIP47 -- Decenteralized Exchange using Atomic swap -- Smart contract development using solidity
$25 USD/hr
5 nhận xét
4.2
  • 100%Công việc đã Hoàn thành
  • 100%Đúng ngân sách
  • 100%Đúng hạn
  • 13%Tỉ lệ thuê lại

Portfolio Items

Các nhận xét gần đây

  • hình của Eric S. ETHEREUM BLOCKCHAIN DECODED $50.00 USD

    “He is smart.. and fast and he knows what he is doing..”

  • hình của Rainer H. Project for Xuehao S. $510.00 USD

    “AAA++ Professional, he is smart and understand taks very fast!”

  • hình của Sandeep N. Project for Xuehao S. $690.96 CAD

    “Felt Very good working with him, deoviered in time, was willing to modify the project as requested, and very good at communication and always responds very quickly”

  • hình của Sarkis S. Create new token and add to exsiting EXCHANGE system $150.00 USD

    “Xuehao is an expert in my concerns fields and his work is very fast. Really great developer. I am sure this project will be extended more. Thanks”

  • hình của Sarkis S. urgent bug fix in privacy blockchain explorer [Sealed]

    “Thanks, very nice. This guy is a great expert in blockchain filed. I worked with him first but he delivered completed results for all issues. Others couldn't fix my errors within one day, but he corrected the problems within 1 hour 30 minutes. Really great. I am sure that I will my projects to him more, and it is a pity that I can give him 5 marks in max. Xuehao S will be a top developer soon. See you.”

Chứng nhận

  • PHP Level 1
    100%
  • HTML Level 1
    97%
  • JavaScript Level 1
    97%
  • C# 1
    95%
  • Python Level 1
    92%
  • US English Level 1
    82%

Xác minh

  • Đã kết nối với Facebook
  • Freelancer ưa thích
  • Thanh toán đã được xác minh
  • Đã xác nhận qua điện thoại
  • Đã xác thực danh tính
  • Email đã được xác minh

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