
John Ruff
Fähigkeiten und Kenntnisse
Werdegang
Berufserfahrung von John Ruff
- Bis heute 2 Jahre und 4 Monate, seit Apr. 2023
Freelancer
Freelancing
-Collaborated with front-end developers to integrate blockchain functionalities into web applications using React and Web3.js. -Conducted code reviews and provided mentorship to junior developers, fostering a collaborative and knowledge-sharing environment. -Optimized performance and scalability of DApps through effective use of Layer 2 scaling solutions and state channels.
- 6 Monate, Nov. 2022 - Apr. 2023
Blockchaind Engineer
Crypto innovations Inc
-Led the design and implementation of a multi-chain DeFi platform that increased transaction throughput by 50%. -Developed smart contracts for various DeFi applications, managing over $200M in total value locked. -Collaborated with cross-functional teams to integrate blockchain solutions into existing systems. -Mentored junior developers on blockchain best practices and smart contract development.
- 2 Jahre und 6 Monate, Juni 2020 - Nov. 2022
Defi Developer
Blockchain Solutions LLC
-Designed and implemented decentralized applications (dApps) for marketplace functionalities using Ethereum. -Utilized Solidity to develop and deploy smart contracts ensuring security and efficiency. -Conducted code reviews and security audits to enhance the reliability of blockchain applications.
- 1 Jahr und 3 Monate, Mai 2019 - Juli 2020
Smart Contract Developer
Digital Assests Corp
-Developed and optimized smart contracts for various tokenization projects on Ethereum. -Implemented automated testing frameworks to ensure the integrity of smart contracts. -Collaborated with front-end developers to create a seamless user interface using React.js and Web3.js. -Developed smart contracts for minting and trading NFTs compliant with ERC721 and ERC1155 standards. -Collaborated with product managers to define requirements and deliver innovative blockchain solutions.
- 2 Jahre und 10 Monate, Juli 2016 - Apr. 2019
Full-Stack Developer
Tech Solutions Inc
-Built responsive web applications using JavaScript frameworks integrated with blockchain backends. -Developed RESTful APIs to connect frontend applications with blockchain data. -Participated in Agile development processes to deliver features iteratively. -Developed server-side logic using Node.js and Express to support web applications. -Managed database interactions with MongoDB to ensure efficient data storage and retrieval. -Implemented security protocols to protect sensitive user data.
XING – Das Jobs-Netzwerk
Über eine Million Jobs
Entdecke mit XING genau den Job, der wirklich zu Dir passt.
Persönliche Job-Angebote
Lass Dich finden von Arbeitgebern und über 20.000 Recruiter·innen.
22 Mio. Mitglieder
Knüpf neue Kontakte und erhalte Impulse für ein besseres Job-Leben.
Kostenlos profitieren
Schon als Basis-Mitglied kannst Du Deine Job-Suche deutlich optimieren.