What Does a Blockchain Developer Do?

Daily Responsibilities, Smart Contract Workflows, and Web3 Salary Ranges

Fact-Checked & Reviewed by: Hambirrao P | Updated: June 2026 | Verified Technical Expert

Key Takeaways

  • Architects decentralized protocols and gas-optimized Solidity smart contracts.
  • Integrates Ethereum web libraries (Ethers.js, Web3.js) into React applications.
  • Audits smart contracts against security exploits like re-entrancy attacks.

Smart Contract Development & EVM Execution

Blockchain developers write on-chain business logic using Solidity or Vyper. They compile and execute smart contracts on Ethereum Virtual Machine (EVM) nodes, managing gas consumption and state updates.

Web3 DApp Integration & Wallet Authentication

Developers connect frontend user interfaces to smart contracts using Ethers.js or Web3.js. They handle crypto wallet connections (MetaMask, WalletConnect) and transaction sign requests.

Security Auditing & Testnet Deployment

Before deploying contracts to mainnet Ethereum or Polygon, developers perform unit testing in Hardhat or Foundry and audit code using tools like Slither.

Frequently Asked Questions

When does the next 1-to-1 training intake start?

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Intakes start twice monthly on the 1st and 15th. The next upcoming 1-to-1 intake starts on October 1, 2026 (with secondary intake on October 15, 2026).

What skills are required for a Blockchain Developer?

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Key skills include Solidity, JavaScript/TypeScript, React, Ethers.js, Hardhat, IPFS, and Ethereum EVM mechanics.

What is the average starting salary for Blockchain Developers in Pune?

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Junior Blockchain Developers in Pune start between 6 LPA and 12 LPA, with experienced remote Web3 engineers earning up to 25 LPA+.

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