Senior Software Engineer - Blockchain & DeFi Protocols

HR Lobby • Blockchain & Crypto • DeFi • Python • Go • JavaScript • Java • Rust • Kotlin • TypeScript • Node JS • Solidity • 1 day ago
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Salary
$53k – $63k per year (gross)
Location
In office (Gurgaon)
Seniority
Senior · 5+ years exp

First seen by Alion on Oct 23, 2026.

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HR Lobby

HR Lobby is an Indian recruitment firm that fills technology and leadership positions on behalf of client companies. Its postings include senior software engineers, product managers and engineering executives, including blockchain and DeFi roles for a regulated banking environment. The company is based in India.
izestglobal.com • Delhi • Mumbai • Gurgaon • Bengaluru • Recruiting & Staffing
Tech stack of HR Lobby

About the Role :

We are looking for a Senior Software Engineer with hands-on Blockchain, Web3 and DeFi development experience to build and ship production-grade digital asset and DeFi systems.

You will work on Smart Contracts, Blockchain integrations, Wallet and Transaction services and Backend platforms, connecting Web3 capabilities with a regulated banking environment.

Key Responsibilities :

- Develop and maintain production-grade Smart Contracts using Solidity/EVM.

- Build backend services and APIs connecting Blockchain/on-chain activity with core banking and other systems.

- Build wallet and transaction features including transaction signing, nonce/gas management, chain indexing and reconciliation.

- Integrate with DeFi protocols, Oracles and Bridges.

- Write clean, scalable and well-tested code with unit, integration and smart-contract testing.

- Work with Foundry/Hardhat, CI/CD and observability tools.

- Participate in architecture and technical design discussions.

- Work closely with Security, Risk, Compliance and Product teams.

- Support production systems, troubleshoot incidents and perform root-cause analysis.

- Stay updated with new Web3 standards, protocols and development practices.

Must Have :

- 5+ years of Software Engineering experience.

- 1 - 2+ years of hands-on Blockchain / Web3 / DeFi development experience.

- Strong hands-on Solidity and EVM Smart Contract Development experience.

- Experience with Foundry and/or Hardhat.

- Strong backend development experience in at least one of : TypeScript/Node.js, Go, Rust, Java/Kotlin or Python.

- Strong understanding of Distributed Systems.

- Understanding of Wallet Infrastructure, Transaction Signing and Blockchain/Chain Indexing.

- Working knowledge of DeFi concepts such as AMMs, Lending, Staking, Stablecoins and Oracles.

- Experience with AWS/Azure, Kubernetes/Containers and CI/CD.

- Strong focus on secure coding, testing, reliability and production-quality engineering.

Skills

Solidity, Blockchain, TypeScript, Node.js, Rust, Distributed Systems, Golang, DeFi Protocols, Python

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