Image de profil de alexdanilovua
Drapeau de China Dandong, China
Membre depuis le 27 janvier 2018
4 Recommendations


En ligne Hors ligne
- User-friendly responsive, rich web front-end development I have been using AngularJS, React.JS for high-end, scalable web applications. I occasionally use Vue.js. > Twitter Bootstrap, Foundation, MaterializeCSS, HighCharts, D3.js, and you name it. - PHP-based back-end development I am skilled at full-fledged PHP frameworks, especially at Laravel full stack, Zend, Symfony, CakePHP and CodeIgniter. - Node.js-based back-end MEAN stack development - Hybrid mobile app development Taking advantage of my exceptional front-end programming skills with ionic, React native - Blockchain, bitcoin, ethereum, cryptocurrency , cryptocurrency exchange, ripple, Hyper ledger, ERC20 I can easily develop Proof of work and Proof of stake coins. I have deployed Many tokens in ethereum blockchain. I know to work with these ethereum standards, Erc 20, Erc 232, Erc 720, Erc 721. - Java,Spring,Spring Boot, Hibernate, SQL, NoSQLcroServices
$40 USD/hr
46 commentaires
  • 96%Travaux complétés
  • 98%Selon le budget
  • 100%Dans les temps
  • 8%Taux de Réembauche


Avis récents

  • image de robertkein Project 18156169 has been deleted $155.00 USD

    “Chen J. did not provide results and broken deadline for my project.”

  • image de ilmagento ERC20 TOKEN DEVELOPMENT $400.00 USD

    “very professional. Everything was done to the best. Very patient. Very thorough and orderly. After work she wrote a user manual. She also gave support after doing a job.”

  • image de Matic7 Continue unfinished website $100.00 USD

    “Great to work with, will definitely hire chen again”

  • image de tamraman project for alexdanilovua $60.00 USD

    “Super fast and patience”

  • image de stargaze database querry $85.00 USD

    “very methodical and systematic coder excellent troubleshooter and solved the issue in a very short time where other coders had spent so much time and couldnt solve it”

  • image de MIXMELT Project 18088921 has been deleted $30.00 USD

    “Chen is knowledgeable and his work is good. But perhaps more important is his motivation to get the job done quickly and efficiently. There will be more work for this freelancer.”


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