David Semyonov

David Semyonov

FullStack Developer, Business Market Guru
$38.00/hr
  • Russian Federation Russian Federation  Sat 09:41 PM
  • React Native React.js Angular 5 AngularJS JavaScript TypeScript Accelerated Mobile Pages (AMP) AWS Lambda Git Ruby on Rails
Hello, This is David Semyonov from Russia Federation and I have working with Fortune 500 companies for 10+ years.
I have great experience with collaboration with large or small teammates. I'm looking for great opportunities with large companies and good customers.

BR
David
Work History and Feedback
  • Looking for javascript fullstack developer
  • "Perfect freelancer and good experience again. I will hire him again and again!"
    - luiz jussiano
  • 05/13/2020 - 05/13/2020
  • FullStack developer
  • "I recommend. great super attentive professional with fantastic suggestions. very good!"
    - jussiano farias
  • 03/04/2020 - 03/04/2020
Portfolio
Web Development
Web Development
Web Development
Web Development
Web Development
Web Development
Web Development
Web Development
Web Development
Web Development
Web Development
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Employment History
Favy Digital LTD
JavaScript Developer - Part time work  May 2009  -  Feb 2012
- Develop new user-facing features
- Build reusable code and libraries for future use
- Ensure the technical feasibility of UI/UX designs
- Optimize applications for maximum speed and scalability
- Assure that all user input is validated before submitting to back-end service ... Mores
- Collaborate with other team members and stakeholders Less
Cav Technology
Lead JavaScript Developer  Jun 2012  -  May 2015
- Develop and test software to meet consumers' and clients' needs.
- Develop upgrades for existing applications.
- Monitor quality and performance of applications through testing and maintenance.
- Document all work for future reference.
Businessware Technologies
Frontend Lead  Mar 2015  -  Jan 2018
- Develop Crypto Trading Volume Bot.
- Develop Telegram Airdrop Bot.
- Manage Roadmap for development.
- Adviser Board Member
Univtrader.com
FullStack Lead  Jan 2018  -  Present
- Binary Options, Crypto Currenency
- Trading Strategy Configureation
- Sell or Buy Market Maker & Taker Bot Algo
1a-Studi GmbH
FullStack Lead  Jan 2020  -  Present
1a-Studi is student supportive platform that was develop using Laravel. With high performance features and PayPal Plus Payment Integrated.
With many pages in your bachelor thesis, master thesis, homework or dissertation, many mistakes creep in that you do not see and your writing software does not d ... Moreisplay. But the freedom from errors and academic formulations are necessary for your single point! Therefore use the 1a-Studi professional correction. Less
Educations
Bachelor of Engineering (B.Eng)
Computer Science
Aston University, West Midlands, England  2005 ~ 2008
Master of Business Administration (MBA or M.B.A.)
Business Law and Finance
Tomsk State University, Tomsk, Russia Federation  2008 ~ 2012
Certifications
React Certification DEV281x | Microsoft
Apr 2013
React is a Javascript library, developed in 2013 by Jordan Walke of Facebook. I've successfully completed and received a passing grade in DEV281x: Introduction to ReactJS. A course of study offered by Microsoft.
Angular Certification of Completion | EDUCBA
Sep 2016
Angular is a complete JavaScript framework for creating dynamic and interactive applications in HTML. EDUCBA provide angular course and i graduate all course and get certification from educba.com
M.B.A Diploma Certification | Tomsk State University
May 2012
as evidence of completion of master degree in Marketing and Finance
Other Experiences
Soccor Fan
I'm crazy fan of CSKA Moscow
Fishing Master
Usually, I'm relax with catch fishing and spent whole days in river.
2  Reviews
100% Job Success
Member since 02/19/2020
Work History
$504.43 Earned
0 hours worked
2 jobs
Availability
Available more than 30 hrs / week
Languages
English: Fluent English
Portuguese (Portugal)
Tatar (Russia)
Yakut (Russia)