TestingXperts
Senior Web3 Developer( with Exp in Web3.js, Ethers.js)
⭐ - Featured Role | Apply direct with Data Freelance Hub
This role is for a Senior Web3 Developer in New York, NY, for 6+ months at a pay rate of "TBD." Requires 6+ years of software engineering, expertise in Java, TypeScript, and Web3 libraries (web3.js, ethers.js), plus experience with decentralized applications.
🌎 - Country
United States
💱 - Currency
$ USD
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💰 - Day rate
Unknown
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🗓️ - Date
May 30, 2026
🕒 - Duration
More than 6 months
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🏝️ - Location
On-site
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📄 - Contract
Unknown
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🔒 - Security
Unknown
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📍 - Location detailed
New York, NY
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🧠 - Skills detailed
#DevOps #Kubernetes #Microservices #REST (Representational State Transfer) #REST API #TypeScript #Programming #Scala #Cloud #Security #Java #Libraries #Docker
Role description
Title: Senior Web3 Developer
Location: NewYork, NY
Duration: 6+ months
Job Description:
· 6+ years in software engineering, with hands-on experience in Web3 development
· Design, develop, and maintain scalable Web3-enabled applications
• Integrate blockchain interactions using Web3 libraries
• Build robust backend and frontend components using modern tech stacks
• Collaborate with cross-functional teams (product, QA, DevOps) to deliver high-quality solutions
• Optimise application performance, security, and scalability
Stay updated with evolving Web3 frameworks and ecosystem trends
Mandatory Skillset:
• Strong programming expertise in Java and TypeScript
• Hands-on experience with Web3 libraries (e.g., web3.js, ethers.js)
• Experience in building distributed or decentralised applications
• Solid understanding of REST APIs, microservices, and cloud-native architectures
good to have skills:
• Exposure to blockchain platforms (Ethereum, Polygon, etc.)
• Understanding of cryptographic concepts and decentralised identity
• Experience with containerisation (Docker/Kubernetes)
Title: Senior Web3 Developer
Location: NewYork, NY
Duration: 6+ months
Job Description:
· 6+ years in software engineering, with hands-on experience in Web3 development
· Design, develop, and maintain scalable Web3-enabled applications
• Integrate blockchain interactions using Web3 libraries
• Build robust backend and frontend components using modern tech stacks
• Collaborate with cross-functional teams (product, QA, DevOps) to deliver high-quality solutions
• Optimise application performance, security, and scalability
Stay updated with evolving Web3 frameworks and ecosystem trends
Mandatory Skillset:
• Strong programming expertise in Java and TypeScript
• Hands-on experience with Web3 libraries (e.g., web3.js, ethers.js)
• Experience in building distributed or decentralised applications
• Solid understanding of REST APIs, microservices, and cloud-native architectures
good to have skills:
• Exposure to blockchain platforms (Ethereum, Polygon, etc.)
• Understanding of cryptographic concepts and decentralised identity
• Experience with containerisation (Docker/Kubernetes)
