davidharvey
Full Stack Developer
Experienced in both front-end and back-end development, offering comprehensive end-to-end solutions for websites and applications. Skilled in projects involving blockchain technology and Fintech web applications.
Experience: 10 years
Yearly salary: $70,000
Hourly rate: $55
Nationality: 🇺🇸 United States
Residency: 🇺🇸 United States
Experience
Full Stack Developer
FIEF 2023 - 2024
Designed and developed robust APIs and smart contracts using Nest.js, Solidity, and GraphQL, ensuring high performance, scalability, and security for decentralized applications. Created a dynamic and responsive frontend utilizing web3.js, and React.js, enabling users to interact with blockchain functionalities.
Full Stack Engineer
POLKA 2022 - 2023
Developed full-stack applications utilizing Java, Spring, and Hibernate for backend services, while implementing React, Redux, and JavaScript for dynamic frontend interfaces. Integrated RESTful APIs and SQL databases to ensure efficient data communication and persistence.
Frontend Engineer
ALTRU 2021 - 2022
Developed a dynamic and responsive frontend using web3.js, ether.js, and React.js, enhancing user interaction with blockchain technologies. Collaborated with backend developers to integrate smart contracts, ensuring smooth data flow between the frontend and blockchain.
Skills
backend
flutter
front-end
react-native
solidity
english
japanese
spanish