Изображение профиля heltleo59
@heltleo59
Флаг China Dandong City, China
На сайте с 4 сентября 2017 г.
2 Рекомендации

heltleo59

В сети Офлайн
"Success usually comes to those who are too busy to be looking for it." "There are no secrets to success. It is the result of preparation, hard work, and learning from failure." As a professional full stack mobile/web developer with over 10 years of experience in Web and Mobile(iOS/Android) application development. ★ Experiences and Skill set I have. ● Native mobile app development: Swift4/3, Objective-C, Java ● Hybrid mobile app development: React Native, ionic ● WebService and Backend API development: Ruby on Rails, Node.js, Python, PHP, Golang ● Web Frontend development: Javascript, Bootstrap, HTML, CSS, Angular.js, React.js, Vue.js... ● Database: MongoDB, MySQL, PostgreSQL, NoSQL, FireStore ● Deployment: AWS, Azure, Heroku, iCloud, Google Cloud, DigitalOcean Please feel free to contact me at any time. Always Welcome!
$35 USD/hr
58 отзыва(-ов)
7.6
  • 97%Выполненные работы
  • 92%В рамках бюджета
  • 93%Своевременность
  • 20%Рейтинг повторного найма

Портфолио

Последние отзывы

  • изображение Jacquelin F. Project for Zhang H. $100.00 USD

    “As usual. Very good job.”

  • изображение Jacquelin F. Resolve ios issue resetting password $38.00 USD

    “He resolved my ios app issue in 24hrs. Communication and Expertise 10+”

  • изображение Michael R. Benchmarking code $250.00 AUD

    “No comment on this....”

  • изображение Michael T. Project for Zhang H. $15.00 USD

    “Quick response! Thanks for your help.”

  • изображение Bram E. Project for Zhang H. $600.00 USD

    “The right man for the job”

  • изображение Waqas L. Project for Zhang H. -- 2 $584.93 USD

    “It was great working with you Zhang again. He is very professional and responsive. Thank you for delivering the project on budget and on time.”

Опыт работы

Lead Software Developer

Mar 2014 - Dec 2018 (4 years)

Worked at small outsourcing company as lead software developer.

Senior Web Developer

Jun 2011 - Mar 2015 (3 years)

As a professional full stack expert, I've developed many simple and complex websites over 2 years. Also Seioglobal was good place which I start to learn AI, ML and Bot.

Mobile Application Developer

Jun 2006 - Aug 2011 (5 years)

I have learned a lot of acknowledgements of iOS/Android app development and have good experiences of UI/UX design and BACKEND

Образование

Master of Computer Applications - MCA, Computer Programming, Specific Applications

2000 - 2005 (5 years)

Сертификаты

  • Preferred Freelancer Program SLA
    92%
  • Ruby on Rails
    85%
  • PHP Level 1
    82%
  • HTML5 Basics 1
    77%
  • JavaScript Level 1
    77%
  • US English Level 1
    75%

Верификации

  • Соединить с Facebook
  • Предпочтительный фрилансер
  • Оплата подтверждена
  • Телефон подтверждён
  • Личность подтверждена
  • Электронный адрес подтвержден

Мои лучшие навыки

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