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Fidelity Investments Logo Fidelity Investments · IT - Software Development

Principal - Software Engineering - Blockchain & Smart Contracts

India, Bangalore · Job Posted April 21, 2026
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Job Description

As Ethereum Blockchain Smart Contract you will be part of the Asset Management Technology team with a focus on blockchain use cases for the enterprise.

Job Responsibility

  • Design and develop enterprise blockchain solutions for use across Asset Management BU
  • Advocating for and developing new enterprise business use cases across Fidelity

Requirements

  • Designing, implementing, and supporting distributed blockchain-based enterprise solutions for the financial/banking/asset management domain
  • Designing, writing and building secure and gas-efficient smart contracts for Ethereum based applications/token standard like ERC20, ERC721, and ERC1400 using Solidity along with third party interfaces and various design patterns like Upgradeable Proxy Pattern
  • Deep expertise in solidity smart contracts, EVM internals and gas-efficient design patterns
  • Evaluate and integrate with multiple blockchain protocols, including both EVM and non-EVM ecosystems(Polygon, Solana, Stellar)
  • Building Defi protocols by implementing token standards, staking protocols, yield farming liquidity pools and cross-chain protocols (LayerZero, Wormhole etc.,)
  • Hand-on experience with tools/frameworks like OpenZepplin, Hardhat, Ganache, Truffles
  • Write comprehensive and automated tests (unit, integration and fuzz) using frameworks like Foundry, Hardhat, Truffle or Brownie
  • Hands-on with security audit process, threat modelling and formal verification processes. Integrate audit feedback into production code. Familiarity with security tools Slither, MythX, Echidna
  • Continuously improve code quality through profiling and gas cost optimization techniques
  • Integrating, interoperability, bridging between blockchain/distributed ledgers with external components. Expertise in Oracles integration with Blockchain using Chainlink oracles
  • Proficient in blockchain development frameworks like ethers.js/web.js
  • Proficiency in two or more of the following languages, Java, Go, Python, Node.js
  • Understanding of ZK-Proof, Layer 2 rollups and MEV is must
  • 9+ years experience
  • Computer Science Graduate
  • Hands-on Experience with Blockchain and full stack development

Nice to have

  • Experience in working with diverse blockchain/distributed ledger implementations like Corda, Hyperledger Fabric
  • Working with wallet providers is a plus
  • Working knowledge of cloud platform (AWS/Azure) is a plus
  • Experience in software engineering with large and diverse codebase
  • Excellent writing and communication skills
  • Experience in working on an incubator or accelerator setup is a plus
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