Senior Web3 Engineer: Backend & Smart Contracts

TalentOla; New York (NY); On-site; USD 105,000 - 135,000; Full time

Job summary

Citi Bank is seeking a Senior Blockchain Developer to design, develop, and deploy Web3 components for its Digital Asset Platform. You will work with smart contracts, on-chain event listeners, and wallet integrations across Ethereum, Hyperledger Besu, Corda, and other networks.

Strong backend experience (Java/Spring or Node.js) and a solid understanding of token standards and blockchain fundamentals are required. Join a distributed global team following Agile/Scrum practices.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or related field (MS a plus).
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Responsibilities

• Design, develop, and deploy Web3 components and integrations for Citi's Digital Asset Platform.
• 2 to 4 years hands-on Web3 and blockchain development.

Skills

Web3 development depth

Backend engineering fundamentals

Security mindset

Curiosity and adaptability

Collaborative spirit

Delivery orientation

Attention to detail

Tooling proficiency

Education

Bachelor's degree in Computer Science, Engineering, or related; MS a plus

8+ years total software engineering experience

2-4 years Web3/blockchain app development

3-5 years backend with Java/Spring or Node.js

Tools

Web3J

Web3JS

Ethers.js

Viem

Hardhat

Foundry

Truffle

Docker

Kubernetes

Git

Jira

CI/CD tooling

Job description

Citi Bank is seeking a Senior Blockchain Developer to design, develop, and deploy Web3 components for its Digital Asset Platform. You will work with smart contracts, on-chain event listeners, and wallet integrations across Ethereum, Hyperledger Besu, Corda, and other networks.

Strong backend experience (Java/Spring or Node.js) and a solid understanding of token standards and blockchain fundamentals are required. Join a distributed global team following Agile/Scrum practices.