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Arjun Chauhan

@arjunchauhan1

Message

I build Ethereum and EVM systems, from consensus engines to digital-asset payment infrastructure.

India

Message

I'm contributing to First Abu Dhabi Bank's digital-assets initiatives, including SWIFT Ledger MVP, tokenized deposits, and CBDC/Jisr transaction flows. I design ERC-20 and registry contract components and support technical documentation and project continuity.

Previously, I led blockchain engineering teams at XEER Technology and Tech Hash, customizing go-ethereum consensus, building explorers and DEX infrastructure, and improving dApp response times by 60% while reducing smart-contract gas usage by 30%.

Experience

Work history, roles, and key accomplishments

Current

Blockchain Engineer

Current

First Abu Dhabi Bank (FAB)

Apr 2026 - Present (5 months)

Working within FAB's digital-assets initiatives covering SWIFT Ledger MVP, Tokenized Deposits, and CBDC use cases. Contributed to smart contract design and technical documentation for blockchain-enabled payment workflows.

Blockchain Ethereum EVM Solidity ERC20 Smart Contracts CBDC Tokenization Swift Technical Documentation

Blockchain Developer Team Lead

XEER Technology

Nov 2023 - Mar 2026 (2 years 4 months)

Forked and customized go-ethereum for performance and security, improving DEX response times by 60% and reducing smart contract gas usage by 30%. Managed backend, smart contract deployments, and team leadership.

Go Ethereum GETH Solidity Hardhat GraphQL Redis Docker CI CD Grafana Team Leadership

Blockchain Developer Team Lead

Tech Hash

Sep 2020 - Oct 2023 (3 years 1 month)

Designed consensus modifications for a forked Ethereum chain and built a blockchain explorer backend using Node.js, RabbitMQ, Elasticsearch, and MongoDB. Developed staking, farming, and token-related smart contracts.