Konstantin K. Profile

4,9

(4 avaliações)

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$30 USD / hora

rudny,

kazakhstan

$30 USD / hora

No momento são 8:30 AM aqui

Entrou no Freelancer em janeiro 27, 2022

0 Recomendações

Konstantin K.

@KonstantinKZ

4,9

(4 avaliações)

4,1

$30 USD / hora

rudny,

kazakhstan

$30 USD / hora

100%

Trabalhos Concluídos

98%

Dentro do Orçamento

98%

No Prazo

N/A

Taxa de Recontratação

Top Blockchain & FullStack &Unity Game developer

I am a Senior Blockchain & Full stack developer with strong communication and relationship-building skills. - Solana smart contract (Unit test, solana-program-library, solana-web3, Raydium swap) by using Rust and Anchor framework - Ethereum/BSC/Polygon smart contract by using Solidity - Experienced in HTML, CSS, React, Next, JavaScript/TypeScript, Angular, Vue, PHP, JSP, WordPress - Node, Express.js, Python Backend Skills such as Flask, Django, FastApi, Falcon - Knowledge on Cloud computing, virtualization and cloud security - Possess excellent communication skills, work ethics and the ability to work well in a team or individual environment. - Other experience NFT Minting and Staking Dapps, Front-end, Optimization, APIs, Live Chat, Single-page Applications (SPA), Payment APIs, UI/UX Design, Back-end, WebSockets, Video Live Streaming

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Itens de Portfólio

Fresha Hair Salon

The Rubber Duck

Croxswap

NBA Marketplace

FOTA

Avaliações

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Mostrando 1 - 4 de 4 avaliações

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5,0

$20,00 USD

frontend developer

My task was difficult but he made it work properly.

Anatoliy B.

@AnatolB

•

há 3 meses

5,0

$875,00 USD

Feature for fun multi-user web application using Colyseus/Phaser3/React (NOT FULL APP)

Konstantin is a great programmer to work with, and if you take the time to communicate with him clearly the specific goals and have realistic expectations of what you want, then you will get great results. He asks good questions and has good insight into how to approach various technical and non-technical issues which is an important quality to have and although I do not know him personally, I think he probably is an interesting human being as well.

Jonathan C.

@tulipsdotcom

•

há 10 meses

4,6

$200,00 USD

I am in need of a PHP Developer

Konstantin was delightful to work with. He was very professional and knowledgeable and I wouldn't hesitate to work with him again. Highly recommend him for your next project.

Pamela M.

@pam61

•

há 1 ano

5,0

$38,00 USD

Fix react app mobile behavior ASAP 1hr turnaround (hiring quick)

Delivered great work quickly

Brendan S.

@shoutsyadmin

•

há 1 ano

Experiência

BLAIZE

mar. 2019 - Atual

- Development a token bridge that can swap between Ethereum and Hyperledger networks. - Tokenomics and Smart Contracts via a TVOD platform that uses blockchain to automatically disperse royalties

S-PRO

fev. 2017 - dez. 2018 (1 ano, 10 meses)

- Development the Website using React Storybook, Redux and React Hook - Development Decentralized platform for cryptocurrency trading - Integrating Smart Contract and Web Frontend using Web3 JS in javascript

DEVCOM

jan. 2014 - nov. 2016 (2 anos, 10 meses)

- Creating new features, functionality and capabilities on the eCommerce Site. ( Restful API using PHP backend ) - Recommending solutions for a streamlined, user-friendly interface with the design team.