Blockchain/Web3 Java Engineer - Digital Assets Platform - VP

Citigroup Inc.; New York (NY); On-site; USD 120,000 - 180,000; Full time

Job summary

Citi CIDAP is seeking a Blockchain/Web3 Java Engineer to contribute to the design, development, and deployment of Web3-native components powering institutional digital assets infrastructure. You will collaborate on on-chain event listeners, wallet integrations, and protocol connectors within a globally distributed team.

The role emphasizes building secure, scalable backend services and smart contracts, bridging decentralized patterns with enterprise-grade software standards across the Citi

Qualifications

• Strong blockchain fundamentals and deep interest in Web3.
• Proficient in Java and backend service development.
• Experience with Ethereum or other public/permissioned networks.

Responsibilities

• Design, develop, and deploy Web3 components and integrations for Citi's CIDAP platform.
• Build and maintain backend services that interface with blockchain networks (e.g., Ethereum, Hyperledger Besu, Solana).
• Develop, test, and audit smart contracts.

Skills

Blockchain engineering

Java

Web3

Smart contracts

Backend services

Tools

Ethereum

Hyperledger Besu

Solana

Job description

Discover your future at Citi

Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact.

Job Overview

Citi is seeking a passionate and skilled Blockchain/Web3 Java Engineer to join the Citi Integrated Digital Assets Platform (CIDAP) engineering team. This is a hands-on engineering role for a developer who is deeply enthusiastic about the intersection of decentralized technologies and institutional finance.

The successful candidate will contribute to the design, development, and deployment of Web3-native components and integrations that power Citi's digital asset infrastructure - spanning tokenization, smart contracts, on-chain settlement, and blockchain protocol integrations. You will work within a collaborative, globally distributed team of engineers, architects, and business technologists who are building the next generation of institutional digital finance capabilities.

We are looking for someone who brings strong Blockchain engineering fundamentals, a curiosity for emerging blockchain ecosystems, and the ability to bridge decentralized technology patterns with enterprise-grade software standards.

Key Responsibilities

• Design, develop, and deploy Web3 components and integrations for Citi's Digital Asset Platform, including smart contracts, on-chain event listeners, wallet integrations, and blockchain protocol connectors
• Build and maintain backend services that interface with public and permissioned blockchain networks (e.g., Ethereum, Hyperledger Besu, Solana, Canton, or equivalent)
• Develop, test, and audit smart contracts written