Freelancer Sergey Klevtsov (javascript and Typescript, HTML & CSS) ≡ srgg67

Freelancers

Information Portfolio 14 Activity

Sergey Klevtsov
Riga, Latvia
0 0
Available for hire

Projects -
Rating -
Rating 303

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Programming

Javascript and Typescript 2171 USD for month
HTML & CSS 1714 USD for month
Content Management Systems 1714 USD for month
Databases & SQL 2285 USD for month
Web Programming 2285 USD for month

0 147

Accenture ESG LLM — corporate application for ESG assessment

Javascript and Typescript

Development of application components, testing and debugging. Conversion of design to HTML. #React/TypeScript #GIT #Figma #Next.js

0 118

Super AI Challenge

Javascript and Typescript

Competition work dedicated to the study of Superintelligence problems. #React.js #NextJS #CSS3\HTML5

0 123

The Rich North Sea Toolbox — information center

Javascript and Typescript

Development of an application on Vue.js from scratch, team leading. #CSS3\HTML5 #Vue.js #GIT

0 144

BMW — Archive of models of the legendary car manufacturer

HTML & CSS

Development, support, and testing of application components #JSP #HTML/CSS/JavaScript #GIT

0 143

Carlsberg — one of the leading brewing companies in Europe

Javascript and Typescript

Development, testing, and support. #javascript #CSS3\HTML5

0 127

Swisscom — the largest Swiss mobile operator

Javascript and Typescript

Development of application components, support and bug fixing #angular #typescript #GIT

0 148

Vodafone — the largest British mobile operator

Javascript and Typescript

Work on application components, support, development, and bug fixing. #React/TypeScript #GIT #Frontend #UnitTest

0 141

Credit Suisse — a legendary (at the time) Swiss bank

Javascript and Typescript

Work on the client's account. Included the development of new components, support for functionality, and bug fixing. #React.js #CSS3\HTML5 #MobX #GIT #Jest

0 172

Elkjop — One of the largest Scandinavian electronics stores

Content Management Systems

Website built on the Intershop platform #HTML/CSS/JavaScript/jQuery #GIT #SVG #retail

0 140

Volvo — a legendary car manufacturer

HTML & CSS

Website dedicated to the history of Volvo #HTML5/CSS3/SCSS/SASS #GIT

Total projects:

0

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Deadlines

Latest proposals 7

Project	Budget	Proposal	Deadline	Added
Frontend Developer (Landing Pages) — project work	Not specified	400 USD	7 days	15 Nov 2025
Part-time: React/Next.js/NodeJS developer (AI, Vibe coding, 20–40 hours per month)	Not specified	800 USD	15 days	14 Oct 2025
Front-End developer for the web application AI Interview Helper (Next.js, Tailwind, shadcn)	100 USD	490 USD	7 days	14 Oct 2025
Web3	Not specified	48 USD	3 days	28 Aug 2025
Manual transfer of the website from Jimdo platform to WordPress	1200 USD	1200 USD	30 days	17 Aug 2025
Design and development of a website for a motorsport coach / turnkey website	400 USD	1017 USD	21 days	16 Aug 2025
React+Next layout	700 USD	680 USD	7 days	15 Aug 2025

Frontend Developer (Landing Pages) — проектная работа

Status Project expired

Type Public project

Budget Not specified

Proposal 400 USD

Deadline 7 days

Added 15 November 2025

Part-time: React/Next.js/NodeJS разработчик (AI, Vibe coding, 20–40 часов в месяц)

Status Project expired

Type Public project

Budget Not specified

Proposal 800 USD

Deadline 15 days

Added 14 October 2025

Front-End разработчик для веб‑приложения AI Interview Helper (Next.js, Tailwind, shadcn)

Status Closed without completion

Type Public project

Budget 100 USD

Proposal 490 USD

Deadline 7 days

Added 14 October 2025

Web3

Status Project expired

Type Public project

Budget Not specified

Proposal 48 USD

Deadline 3 days

Added 28 August 2025

Ручной перенос сайта с платформы Jimdo на WordPress

Status Suspended by administration

Type Public project

Budget 1200 USD

Proposal 1200 USD

Deadline 30 days

Added 17 August 2025

Дизайн и разработка сайта для мотор-спорт коуча / сайт под ключ

Status Project complete

Type Public project

Budget 400 USD

Proposal 1017 USD

Deadline 21 days

Added 16 August 2025

Верстка React+next

Status Project expired

Type Public project

Budget 700 USD

Proposal 680 USD

Deadline 7 days

Added 15 August 2025

Sergey Klevtsov
Riga, Latvia
0 0
Available for hire

Projects -
Rating -
Rating 303

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Specializations

Javascript and Typescript

HTML & CSS

Skills and abilities

Programming

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