Profile image of topdeveloper000
Member since November 5, 2019
2 Recommendations


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I have over 9 years of experience in front end development, I am specialized in all modern JS frameworks, and I've worked prominently as a lead developer for multiple companies. I am also very skilled in Laravel, Reactjs, Gatsbyjs, Headless CMS(Netlify CMS, Contentful CMS), Angular, Vue, React-Native, Ionic, Electron and Chart related libraries and much More. I have 4 years of experience in React.js, 5 years of experience in Angular, 3 years of experience in Vue. Thanks, Denis - Reactjs, Redux, Redux-saga, Redux-Thunk, Styled-components, Webpack, Babel, SASS/SCSS, Material-UI - Gatsbyjs + Netlify CMS - AngularJS/Angular 4+, [login to view URL], Typescript, Angular-Material - Vuejs, Vuex, Vuerify, Quasaar Framework - Contentful CMS, Firebase - Invisionapp, Sketchapp, Zeplin, Adobe XD -Laravel, Node.js -WordPress, Shopify, Wix
$30 USD/hr
16 reviews
  • 100%Jobs Completed
  • 90%On Budget
  • 100%On Time
  • 44%Repeat Hire Rate

Portfolio Items

Recent Reviews

  • image of Yassine M. Project for Denis K. -- 3 €500.00 EUR

    “Denis once again provided excellent work, helping us fix difficult bugs in our code and giving us very helpful suggestions on how to improve things. We'll be happy to keep working with him.”

  • image of Yassine M. Project for Denis K. -- 2 €550.00 EUR

    “Excellent work again from Denis, who has great skills in Angular, makes very helpful suggestions, and delivers on time and budget. He helped us significantly in the release phase of our app, as we were doing a lot of bugfixing, which required him to understand a large codebase quickly. We'll be happy to work with him again!”

  • image of Yassine M. Project for Denis K. €1950.00 EUR

    “Denis did a meticulous work in cleaning an old code base, which significantly improved the application performance.”

  • image of Yassine M. Configuring prod and dev environments for a small Angular+Firebase webapp. €600.00 EUR

    “Denis has been doing a great job on this mission. He delivered high quality work on time and budget, and had excellent communication. I will work with him again!”

  • image of David J. Project for Denis K. $95.00 USD

    “Fantastic Freelancer! I will hire him again and again! Fantastic and Fantastic [login to view URL] developer!”

  • image of Sanjevan B. SQL Lite Page $190.00 CAD

    “great guy to work with, on time and on budget. going to hire him to work on next project”


Software architect, IT project Manager

Jul 2014 - Jan 2018 (3 years)

Development of custom solutions, applications and libraries/frameworks for local and foreign companies and customers(C/C++,Object Pascal/Delphi, C# .Net Framework,WPF,Silverlight). Management and control of the development cycle of projects. Architecture of fault-tolerant client-server systems, stability, static code analysis Participation in industrial code development (C/C++) for own equipment.

Private practice

Jul 2011 - Nov 2013 (2 years)

Development and layout of sites to order (PHP, JS, HTML / CSS), its own CMS (PHP + simple template language) * Server solutions (Apache, FastCGI modules) • Application shell for compact discs ("Akella", "Flight of the Navigator", the local gaming magazines)

Telecommunications, communication

Dec 2005 - Sep 2008 (2 years)

Good Experience



2005 - 2008 (3 years)


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