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Fidelity Investments

Manages investments and workplace retirement plans

Vice President - DeFi Product Engineer

Blockchain & Smart Contract EngineeringConfirmed live in the last 24 hours
Full-timeBoston, MA, USA

About the Job

Requirements

  • At least 4 years of hands-on experience in blockchain engineering, smart contract development, or crypto infrastructure, with a strong track record of technical delivery.
  • Deep understanding of EVM and SVM architecture, token standards including ERC-20, ERC-721, and SPL, and DeFi primitives.
  • Proficiency in multiple programming languages, including Python, Solidity, and JavaScript or TypeScript.
  • Experience with smart contract frameworks and tools such as Hardhat and Foundry.
  • Ability to lead complex technical projects and mentor senior engineers.
  • Hands-on experience with Solana development concepts, including Anchor Framework, SPL token integrations, Program Derived Addresses, and Cross-Program Invocations.
  • Strong knowledge of DeFi ecosystems, including automated market makers, lending protocols, liquid staking, yield generation, oracle networks, and tokenization platforms.
  • Expertise in smart contract security reviews, threat modeling, protocol risk assessments, and secure software development practices for institutional digital asset products.

Responsibilities

  • Architect and oversee development of blockchain-based systems and smart contracts across EVM, Solana, and Cosmos SDK platforms.
  • Lead technical design and implementation of crypto infrastructure, including secure deployment pipelines, testing frameworks, and audit processes.
  • Conduct technical reviews and audits of smart contracts to ensure security, scalability, and compliance with DeFi standards.
  • Evaluate and implement emerging technologies, protocols, and tooling to enhance digital asset capabilities.
  • Serve as a technical liaison across engineering, trading, and risk teams to integrate blockchain systems into core workflows.
  • Drive design and implementation of tokenization frameworks, on-chain asset lifecycle management, and cross-chain interoperability solutions.
  • Lead evaluation and integration of DeFi protocols, staking infrastructure, liquidity solutions, and institutional-grade custody platforms.
  • Establish best practices for blockchain security, smart contract governance, protocol monitoring, threat detection, and incident response.
  • As a hands-on team lead, understand functional needs, meet expected outcomes, and drive innovation.

About the Company

Fidelity Investments

Manages investments and workplace retirement plans

Fidelity Investments manages money and runs brokerage accounts for individuals, while administering workplace benefits and supporting financial advisers and institutions. Its funds span active management and index investing, and its advice services range from automated portfolios to dedicated wealth managers. Customers trade through online accounts or work with advisers by phone and at investor centers, while employers use its services for retirement savings and stock plans. The business earns advisory fees and charges for selected trades, with institutional custody and clearing services alongside its consumer accounts. Fidelity was founded in 1946 and is headquartered in Boston, Massachusetts, United States.

Company size
10,001+
Company stage
Debt Financing
Total funding
$250.4B
Headquarters
Boston, MA
Founded
1946

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