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Kostiantyn S.

Kostiantyn S.

Software engineer, front-end developer

I'm an accomplished Front-end Developer with over 8 years of hands-on experience in web development. My skill set encompasses a wide range of technologies and tools, allowing me to efficiently create modern, user-centric interfaces and functionalities for web applications. I hold a degree in Information Technology and Process Automation. Over the years, I've garnered invaluable experience working on diverse projects, ranging from crafting user interfaces to developing adaptive and responsive web pages. The bigest was SAP Digital Manufacturing, Deloitte Advisory DAP and eWizard Content Experience Platform. My key technical skills and stack include: -Proficiency in HTML5/CSS3 and their progressive iterations, including Less, Sass, Bootstrap, for crafting web page structures and styles. -Mastery in JavaScript in its various facets, encompassing CoffeeScript, ES Next, and TypeScript for building dynamic interfaces. -Frameworks and libraries such as Angular, SAP UI5, AngularJS, SAP Fiori, Rivets.js, Angular Material, empowering me to construct robust web applications. -Expertise in CMS platforms like WordPress, Joomla, HubSpot, along with Firebase for implementing cross-platform solutions. -Experience with error tracking systems like JIRA, Trello, and CVS Git for version control. My proficiency in the English language enables effective communication and understanding of technical documentation, making collaboration with international teams more productive. I'm always open to new challenges and projects, eager to contribute to your technological initiatives. Let's collaborate to create exceptional products!

🇺🇦Zhytomyr, Ukraine$80/hr100% JSS5.00 (2)Since Dec 2023

Earnings and projects

MRR
$0

Last 6 months ÷ 6

World#25,141 / 412k
🇺🇦Country#1,825 / 14.3k
Revenue, last 30 days
$0
Total earnings
$143k

Billed in all: $153k

World#25,141 / 412k
🇺🇦Country#1,825 / 14.3k
Per project
$143k
Projects, last 6 months
0
World#209,850 / 412k
🇺🇦Country#7,324 / 14.3k
Projects in all
1

Across 2 contracts

0% fixed100% hourly
World#360,671 / 412k
🇺🇦Country#13,083 / 14.3k

Earnings, last 30 days

$153kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$150k$152k$154k$156kOct 8Oct 23Nov 7

Skills