Blockchain Developer React Js

Robert Alan Fischman

Senior Blockchain Developer

+1-214-***-**** **************@*****.*** Austin

EXPERIENCE

Senior Blockchain Developer

OnChain Studios 11/2021 - 10/2024 Miami

Spearheaded the development of a cross-chain decentralized exchange

(DEX), enabling seamless token swaps between Ethereum, Polygon, and Binance Smart Chain

Developed and built a next-generation NFT marketplace enabling minting, trading, and auctions using ERC - 721 and ERC - 1155 standards Developed and deployed ICO smart contracts for crowdfunding platforms Reduced transaction costs by integrating Polygon for scalable NFT transactions, enhancing platform accessibility

Developed a user-friendly React.js interface with seamless integration for MetaMask and WalletConnect support.

Conducted audits on internal smart contracts, preventing potential exploits and ensuring compliance with best practices

Led a team of 10 developers, implementing scrum methodologies and conducting weekly code reviews to ensure adherence to best practices Worked on end-to-end design processes for blockchain dApps and Web3 projects, focusing on user-friendly design

Fullstack Blockchain Developer

Egor Technologies LLC 03/2019 - 09/2021 Dubai

Integrated Chainlink oracles to fetch real-time price data and provide users with accurate valuation metrics

Collaborated with blockchain ecosystem partners to integrate Layer-2 solutions for reduced gas fees and faster transactions Built an interactive React-based UI with wallet integration Metamask, WalletConnect for frictionless user transactions

Conducted API integration with payment gateways and blockchain explorers to provide transaction transparency

Developed a secure, transparent voting DApp for organizational elections, leveraging Solidity and IPFS

React & Blockchain Developer

Ydev 11/2017 - 02/2019 Lagos

Built a React-based dashboard to visualize blockchain data and track product authenticity

Built a modular, scalable React.js front-end integrated with Web3.js for seamless interaction with Ethereum-based smart contracts Developed and maintained single-page applications (SPAs) using React.js and JavaScript

Developed and deployed smart contracts for ERC-20 tokens and simple decentralized exchanges (DEXS), improving understanding of tokenomics and liquidity pools

Participated in daily standups and sprint planning meetings, gaining hands- on experience with Scrum methodologies

Worked on Solidity smart contracts for creating ERC-20 compliant Tokens and managing transactions within the platform

Proficient in UI/UX design, wireframing, and prototyping tools such as Figma, Sketch, and Adobe XD

Familiarity with Tailwind CSS and other design frameworks to ensure consistency in design and implementation

SUMMARY

Senior Blockchain Developer Senior Blockchain

Developer with over 8 years of experience designing, developing, and deploying blockchain-based

solutions across DeFi, NFTS, and enterprise

blockchain applications. Expertise in implementing scalable Layer 1 and Layer 2 solutions, optimizing smart contract performance, and leading teams to

deliver robust and secure decentralized applications

(dApps). Demonstrates strong problem-solving skills and deep understanding of blockchain protocols.

Ready to contribute as Full Stack Developer with

expertise in full stack technologies and commitment to efficiency.

EDUCATION

Bachelor Computer Science

University of Texas

02/2013 - 04/2017 Austin

LANGUAGES

English Proficient

SKILLS

API API Integration Apis Bootstrap

CSS CSS3 Figma Git Github

HTML5 Javascript Jira AWS

Python Vue.js Next.js Node.js

React.js Redux REST WebSockets

Rust SASS MongoDB MySQL

Scrum Smart Contract Solidity Rust

Blockchain Ethereum Solana Web3

Sprint Planning Tailwind CSS

MaterialUI Typescript UI/UX

Responsive Design Sketch Figma

Adobe XD

KEY ACHIEVEMENTS

Your Achievement

Describe what you did and the impact it had.

CERTIFICATION

Course Title

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EXPERIENCE

Junior Frontend Developer

Vrinsoft London 06/2017 - 10/2017 London

Worked closely with UX designers to implement responsive, accessible designs

Developed and maintained React.js-based applications, integrating them with REST APIs

Assisted in building single-page applications using React.js, focusing on performance optimization and responsiveness

Collaborated with senior developers to integrate APIs and ensure smooth data flow between front-end and back-end systems

Collaborated with front-end developers to integrate Web3.js into React.js applications for wallet connection and transaction management Experienced in creating responsive designs and ensuring pixel-perfect implementation in collaboration with developers

PASSIONS

Football

Swimming

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