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Blockchain Ethereum Node.js Smart Contracts Solidity
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$35 USD / hora
Bandeira do(a) UKRAINE
village novoolexandrivka, ukraine
$35 USD / hora
No momento são 11:41 AM aqui
Entrou no Freelancer em julho 6, 2021
0 Recomendações

Yaroslav K.

@yarikkullchen

monthly-level-three.svg
5,0 (3 avaliações)
3,4
3,4
$35 USD / hora
Bandeira do(a) UKRAINE
village novoolexandrivka, ukraine
$35 USD / hora
100%
Trabalhos Concluídos
100%
Dentro do Orçamento
100%
No Prazo
N/A
Taxa de Recontratação

Senior Full-Stack & Blockchain Developer

Hi! I am a Senior full stack developer have 7+ years of experience and have involved in many attractive and impressive projects. I will do my best to complete more than what you want. Surely you will have successful projects from me. I am sure of your success and mine!!! I specialize in - ✔️C++, C#, Java, algorithm, Blockchain ✔️ FrontEnd : React.js, Vue.js, Next.js, Nuxt.js, Angular, React Native, Flutter, Web3, ... ✔️ BackEnd : Node.js, Express.js, Laravel, CodeIgniter, Python, ... ✔️ Database : MySQL, MongoDB, PostgreSQL, Oracle, ... ✔️ Version Control: Git, SVN Thank you.
Freelancer Blockchain Developers Ukraine

Contate Yaroslav K. para falar sobre o seu trabalho

Entre para falar sobre qualquer detalhe pelo chat

Itens de Portfólio

Food delivery app empowers you to order from all your favorite restaurants without the hassles of calling call centers, and constant order mistakes.

https://play.google.com/store/apps/details?id=main.com.tawseel_food
https://apps.apple.com/us/app/tawseelfood/id1472351003?ls=1
Tawseel Food ( Flutter )
Find the vehicle that best suits your needs and start your journey.
You can reserve and access the vehicle from this App, only with your mobile, forget about the keys, and reserve it through an Excel table.

https://apps.apple.com/us/app/ecconnect/id1275054627
https://play.google.com/store/apps/details?id=com.eccocar.app&hl=en&gl=US
Eccocar ( React Native )
NFT marketplace based on polynetwork.
I have worked as a Front-end & Web 3 Dev.

Link : https://ternoa.com
Ternoa ( Nuxt.js + Bootstrap )
DeFi platform based on Ethereum network.
Developed by Vue 3 + TailwindCS for styling.
I worked as a Front-end & Web3 dev about 4 months.

Link : https://clover.finance
Clover Finance ( Vue 3 + TailwindCSS )
Buy, Rent, or Sell estate platform.

Link: https://compass.com
Real Estate ( MERN Stack )
Free Online Ordering System for Restaurants.
I have worked as a Front-end & Back-end Dev.
Developed by AngularJS + TailwindCSS.

Link: https://gloriafood.com
FreeOnlineOrderingSystem ( Angular JS + TailwindCSS )

Avaliações

Mudanças salvas
Mostrando 1 - 3 de 3 avaliações
Filtrar avaliações por: 5,0
€10,00 EUR
As a Blockchain developer, he showed me a good talent. He has profound and versitile knowledge of blockchain technology. Although it was minor project, it needed a high quality. After figuring out all my project, he found a bug, and fixed it. Amazing! I will hire him, again. Thanks Varoslav!
Blockchain Ethereum Non-fungible Tokens (NFT) Solidity Smart Contracts
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Bandeira do(a) Oleksandr S. @supoleksandr85
há 1 ano
5,0
$10,00 USD
Great job, Fast communication! Will hire again.
Blockchain Ethereum Solidity Smart Contracts Web3.js
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Bandeira do(a) Ramis R. @ramis7
há 1 ano
5,0
$100,00 USD
Yaroslav was able to identify the issue I had been troubleshooting for such a long in such a short amount of time! I was appreciative of how well they communicated with me and I can tell they have a lot of experience in the field of blockchain and smart contracts. I will definitely hire them again in the future for any projects related to my cryptocurrency.
Blockchain
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Bandeira do(a) Megan H. @TeamWrallett
há 1 ano

Experiência

Full-Stack Developer

Omilor LTD
mar. 2019 - mai. 2021 (2 anos, 2 meses)
- Coordinated with web developers to secure core server product development service components for more than 100 client sites, ensuring compatibility with all major browsers on mobile and desktop platforms - Launched and maintained 10 successful websites with SEO success - Assisted in training and supporting up to 20 new hires per year by conducting interviews and leading seminars

Full-Stack Developer

Apollo Consulting
abr. 2015 - nov. 2018 (3 anos, 7 meses)
- Developed an E-commerce platform using React for the frontend and NodeJS for the backend - Integrated payment system for product checkout using Authorize.net payment API - Worked with JEST unit test framework to write unit tests for JavaScript code - Server maintenance and scripting while coordinating with the server team using GoLang and Rust - Involved in all agile ceremonies like Daily stand-ups, Backlog pointing sessions, Planning sessions, retrospection, etc

Educação

Bachelor's Degree in Computer Engineering

Kyiv National Taras Shevchenko University, Ukraine 2010 - 2014
(4 anos)

Contate Yaroslav K. para falar sobre o seu trabalho

Entre para falar sobre qualquer detalhe pelo chat

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Principais Habilidades

Blockchain 4 Ethereum 3 Solidity 2 Smart Contracts 2 Node.js 1

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