Rostyslav K.
Kyiv, Ukraine
100%
Job Success
Full-Stack Web Developer | Team Lead
$50.00/hr
Hello there 😊
My name is Rostik, a seasoned Full-Stack Web Developer with 6 years of industry experience. I specialize in JavaScript/TypeScript and have a rich background in React and Node.js, along with various libraries that enhance these technologies. Over the years, I've spearheaded multiple projects across sectors such as education, healthcare, and e-commerce. I’ve successfully led front-end teams, developed projects from the ground up, and enhanced existing applications with cutting-edge features. Additionally, I have mentored aspiring developers in JavaScript at various bootcamps. I’m currently open to diverse projects where I can leverage my expertise or explore new challenges.
🔧 Main Technology Stack
Languages:
JavaScript
TypeScript
Java
Frontend:
React
Redux
Next.js
Moralis
Web3.js
Styled Components, Material UI, TailwindCSS
HTML, CSS, SASS/LESS
Backend:
Node.js
Express.js
Nest.js
GraphQL
Mobile:
React Native
Databases:
MongoDB
PostgreSQL
MySQL
Firebase
Supabase
If you’re interested, don't hesitate to reach out!
Work history
Work history
Front-end developer (Next.js/TypeScript)/Full Stack Developer - Long Term/Full-time Opportunity
Oct 28, 2024
-
Dec 9, 2024
Private earnings
Front-End Developer (React or Vue.js)
Oct 11, 2024
-
Oct 18, 2024
"It was great working with Rostik and though contract ended due to some issues at Upwork end, he was instrumental during the time he spent with us."
Private earnings
Next.js developer needed for new page integration
Jun 24, 2024
-
Jul 1, 2024
"Rostysav has awesome communication skills and professionalism. It was easy to find a common language from the start, which made everything so much easier for the team. Plus, Rostyslav`s technical…
Private earnings
Full Stack JS Developer
Jul 18, 2022
-
Apr 26, 2023
No feedback given
Private earnings
Full stack Javascript developer for Swedish startup
May 9, 2022
-
Jul 4, 2022
No feedback given
Private earnings
mystTest
Feb 4, 2022
-
Feb 6, 2022
"Always mature and professional. Great developer, look forward to working again together!"
Private earnings
MVP 2
Jan 25, 2022
-
Jan 31, 2022
"Great communication and creative thinking. Thanks!"
Private earnings
Chrome Extension - MVP
Dec 22, 2021
-
Jan 7, 2022
"Great work and communication -- hope to work together again. Thank you!"
Private earnings
Simple website with minimal cms
Oct 12, 2021
-
Dec 9, 2021
"excellent work, excellent communication! very nice person to work with"
Private earnings
React Native and Node.js small app
Nov 30, 2021
-
Dec 5, 2021
"Great communication and excellent understanding of the task. Thank you!"
Private earnings
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Skills
Skills
- Node.js
- SQL
- JavaScript
- React
- HTML5
- CSS 3
- Google Chrome Extension
- GraphQL
- Next.js
- TypeScript
- MongoDB
- Front-End Development
- NestJS
- React Native
- API