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Fullstack React.Js/Node.Js And Web3 Integrations Specialist
I am a fullstack web developer with broad experience that I gained working on dozen startup and large projects including ecommerce, telecommunications, finance, crypto, backoffice, travel and more. For the past 4 years I am focusing on web3 projects, mainly as frontend integrations specialist with a bit of backend work and Solidity.
I adjust my working hours to CET, PST and EDT as needed.
Experience: 11 years
Yearly salary: $120,000
Hourly rate: $60
Nationality: 🇨🇿 Czech Republic
Residency: 🇨🇿 Czech Republic
Experience
Fullstack Web3 / React.js / Node.js developer
CXIP Labs / Holograph.xyz 2022 - 2024
Responsive web application for the NFT Dashboard, Mint and Bridge products available at https://app.holograph.xyz/ ● New homepage https://www.holograph.xyz/ ● Farcaster Frames app using Vercel KV (Redis) ● Web3 integration, and later rewrite from web3-react to wagmi ● Refactoring and TypeScript integration ● Solidity contract for Faucet ● Occasional maintenance of NestJS GraphQL API ● Refactor and occasional maintenance of Docusaurus documentation Core technologies: Web3, web3.js, ethers.js, wagmi, viem, JavaScript/TypeScript, React.js, Next.js, Node.js, NestJS, Tailwind CSS, Postgresql, GraphQL, Redis, Solidity, OpenZeppelin, Docusaurus, Metamask, WalletConnect
Fullstack Web3 / React.js / Node.js / Solidity developer
NFT Project 2021 - 2022
● Custom Payable contract - Solidity, Polygon, Metamask ● Mint page with advanced Web3 integration, smart mint, smart checks ● Metadata API - Next.js, Node.js ● Other tasks included: Metadata analysis for the NFT, consultation, OpenSea setup, tx support, Gnosis MultiSig wallet Core technologies: Web3, JavaScript/TypeScript, React.js, Next.js, Node.js, IPFS ERC-721 NFT Contract with custom logic - Solidity, REMIX, Polygon
Fullstack React.js / Node.js
Freelance contractor 2018 - 2024
● Web3 integrations (web3.js, ethers.js, wagmi, rainbowkit) ● Refactoring and TypeScript migrations ● React.js optimizations ● Documentation (JSDoc, Markdown, Docusaurus) ● Project setup & configuration (webpack, tsconfig, eslint, prettier, …) Clients: Slingshot.finance (DeFI), Knauf Gips, Notino, Continero Corp, Stekkie (Reverse mortgage), HB Reavis, IGLUU / Stratus Data Systems (Real estate), Oxbridge Admissions, U+ / User Technologies, Adidas, Infosys, STUDENT AGENCY, ŠKODA,... Core technologies: JavaScript / TypeScript, React.js, Node.js, Web3, Solidity
Fullstack React.js / Node.js
IPEX a.s. 2015 - 2018
● Development of a communication/B2B/management platform in web ● PBX, B2B management modules for the platform ● Implementation of audio/video calls in browser - full responsibility, sipML5, JsSIP Core technologies: JavaScript (ES6), React, Node.js, Express, Immutable.js, Electron; HTML5; WS/WSS, WebRTC - audio, video, SIP, RTP; CSS3, Stylus, Less; Firebase, MySQL
Web developer
Freelance contractor 2011 - 2014
JavaScript, jQuery, HTML, CSS, PHP, WordPress, C++, Java, ...
Skills
blockchain
erc-1155
erc-20
erc-721
ethereum
firebase
graphql
javascript
nestjs
nextjs
node
react
solidity
tailwind
typescript
web3
front-end
english
czech