John Ruff

Angestellt, Freelancer, Freelancing
Pensacola, Vereinigte Staaten

Fähigkeiten und Kenntnisse

Project Management
Team work
Software Development
python
jira
go
Rust (programming language)
Communication skills
Website Development
Management
Software
Engineering
smart contract
Rust
Node.js
Next.js
Web3.js
mongodb
MongoDB
postsql
Ecomm
E-Commerce
Tokenization
Hyperledger
Fabric
Ton
Hash Function
Solana
Front-end
C#
Firebase
Git
Flutter
Android Studio
Agile
Truffle suite Ganache

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.

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