Зображення профілю heltleo59
@heltleo59
Прапор China Dandong City, China
На сайті з 4 вересня 2017 р.
1 Рекомендації

heltleo59

Онлайн 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!
$55 USD/hr
44 відгуки(ів)
7.1
  • 98%Завершені роботи
  • 96%В рамках бюджету
  • 100%Вчасно
  • 18%Повторний найм

Портфоліо

Нові відгуки

  • зображення zyondymonds Project for Zhang H. $281.10 USD

    “Thanks for all your help. [22 September, 2018] Thanks for all you work Zhang. Looking forward to working with you in the future”

  • зображення waqaslone1 Expert iOS Objective C Developer needed to fix iPAD App Remotely $49.00 USD

    “An Ideal worker for anyone. Zhang was able to understand and fix the error right away. Would soon love to work again with him. Thanks for your help!”

  • зображення cideas Ionic App Navigation fixes $55.00 USD

    “Quick programmer, will get your job done but a word of caution - ensure you describe your requirement very clearly to him. He is particular about the project description before he begins.”

  • зображення SportSnapShare Project for Zhang H. €220.00 EUR

    “Very good communication, delivered on time. It was nice working with him!”

  • зображення Carl E. React Native iOS - Make user sign in once $50.00 USD

    “he fixed my problem fast and with clever solutions ! recommend.”

  • зображення gbesler JSON Consumer App (WebAPI) $130.00 USD

    “Very professional and responsible developer. He delivered the project on time and budget. He is also communicating very well and he is kind. He is mostly available and not creating any problems. I will definitely work with him again and would recommend to work with him to everyone.”

Досвід

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

Освіта

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

2000 - 2005 (5 years)

Сертифікати

  • Preferred Freelancer Program SLA
    92%
  • Ruby on Rails
    85%
  • US English Level 1
    75%

Підтвердження

  • З'єднано з Facebook
  • Бажаний фрілансер
  • Оплату підтверджено
  • Телефонний номер верифікований
  • Особу підтверджено
  • Електронна пошта верифікована

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