brandonh700

Senior Java Script / Blockchain Engineer

Accomplished Senior JavaScript / Blockchain Engineer with extensive expertise in designing and implementing decentralized applications on prominent blockchain platforms such as Ethereum, Hyperledger Fabric, and Binance Smart Chain. Proficient in modern web development technologies including React, Angular, and Vue.js. Demonstrates deep understanding of cryptographic techniques and has a proven track record of leveraging DApp development tools like Web3.js and Truffle Suite to enhance application functionality and security. Skilled in multiple programming languages and database technologies, ensuring robust, scalable, and efficient solutions.


Experience: 11 years

Yearly salary: $150,000

Hourly rate: $75

Nationality: 🇺🇸 United States

Residency: 🇺🇸 United States


Experience

Senior Software Engineer
ScienceSoft
2021 - 2024
- Orchestrated the development of cutting-edge decentralized applications, significantly increasing operational efficiency on Ethereum and Binance Smart Chain. - Led a diverse team of 20 developers, utilizing Agile practices to enhance project delivery speeds by 30%. - Spearheaded the deployment of over 10 high-traffic DApps, drawing more than 2,000 daily users and enhancing customer engagement across multiple sectors. - Advanced the company’s blockchain capabilities by integrating Solidity-based smart contracts and DApps, which boosted transaction security and user trust. - Pioneered the use of Hardhat and Ganache in development processes, reducing bugs at deployment by 40%. - Streamlined cross-functional team collaborations, leveraging technical prowess in JavaScript and Rust to enhance software integration and functionality. - Enhanced data integrity and security protocols by employing advanced cryptographic techniques, reducing security breaches by 50%. - Utilized JavaScript and Node.js to build efficient backend services, improving data handling and application performance by 20%. - Engineered multiple smart contracts using Vyper and Chaincode, optimizing contract execution and reducing gas costs by 35%. - Implemented comprehensive database solutions using Cassandra and PostgreSQL, ensuring high data availability and rapid transaction processing. - Collaborated closely with UI/UX teams to revamp application designs, increasing user satisfaction by 40%.
Blockchain Developer
IBM
2018 - 2021
- Developed and maintained robust decentralized applications on Corda and Polkadot, increasing system reliability by 25%. - Conducted detailed technical workshops on Web3.js and Embark, enhancing team skills and project capabilities. - Enhanced application security by integrating MetaMask and Infura, streamlining user interactions and safeguarding user credentials. - Adopted and promoted the use of continuous integration/continuous deployment (CI/CD) pipelines, significantly reducing deployment errors and downtime. - Led the development of enterprise applications using Angular.js and React.js, enhancing responsiveness and accessibility across platforms. - Integrated Rust and Go (Golang) into backend development processes, optimizing system performance and scalability. - Played a pivotal role in the team’s transition to using Svelte and Nuxt.js, which modernized project architectures and streamlined development processes. - Designed and implemented secure and efficient data exchange protocols using CouchDB and SQL, improving data synchronization and reducing latency. - Enhanced customer engagement through the development of interactive, data-driven web interfaces.
Frontend Developer
Accenture
2015 - 2018
- Spearheaded the redesign of core system architecture using JavaScript and Vue.js, achieving a 40% improvement in application load times and scalability. - Implemented advanced security measures using public-private key cryptography, significantly enhancing data security and user trust. - Integrated blockchain technologies for data verification processes, increasing data integrity and reducing potential fraud incidents by 30%. - Championed the use of Svelte and Nuxt.js to enhance frontend performance, resulting in a 20% increase in user engagement. - Designed a comprehensive API management layer using Node.js, which simplified external integrations and boosted system efficiency. - Instituted a continuous integration and deployment pipeline that reduced deployment errors by 45%. - Created detailed documentation and system guides that reduced onboarding time for new developers by 30%. - Revamped user interfaces for three major financial tools using HTML, CSS, and React.js, which improved user experience and increased daily active users by 30%. - Led a frontend optimization project that cut down JavaScript bundle sizes by 20%, enhancing load times and performance. - Developed custom interactive data visualization components using D3.js, significantly improving the analytical capabilities of financial tools. - Integrated new features using Angular.js and Vue.js that enhanced functionality and user satisfaction by 35%. - Managed version control and code quality using Git and code review practices, ensuring high standards of code maintainability and reducing bug rates by 25%.

Skills

agile
angular
aws
blockchain
dapp
docker
drizzle
ganache
gcp
golang
hyperledger-fabric
javascript
kubernetes
nextjs
nosql
nuxtjs
polkadot
python
r3-corda
react
redis
remix
rust
smart-contract
solidity
sql
truffle
typescript
vue
web3js
english