
Smart Contract Engineer, Data Science Associate
skillventory - A Leading Talent Research Firm
full-time
Posted on:
Location Type: Hybrid
Location: Boston • Massachusetts, New Jersey • 🇺🇸 United States
Visit company websiteSalary
💰 $140,000 - $285,000 per year
Job Level
JuniorMid-Level
Tech Stack
JavaScriptPythonSolidityTypeScript
About the role
- Architect and oversee the 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
- Collaborate with quant researchers and data scientists to integrate blockchain data into predictive models, optimization engines, and trading algorithms
- Conduct deep technical reviews and audits of smart contracts, ensuring security, scalability, and compliance with DeFi standards
- Evaluate and implement emerging technologies, protocols, and tooling to enhance Fidelity’s digital asset capabilities
- Serve as a technical liaison across engineering, trading, and risk teams to ensure seamless integration of blockchain systems into core workflows
Requirements
- 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/SVM architecture, token standards (ERC-20, ERC-721, SPL), and DeFi primitives
- Proficiency in multiple programming languages including Python, Solidity, and JavaScript/TypeScript
- Experience with smart contract frameworks and tools such as Hardhat, Truffle, OpenZeppelin, Mythril, and Ganache
- Strong background in quantitative modeling, data science, or financial engineering, with experience applying models to trading or risk systems
- Proven ability to lead complex technical projects and mentor senior engineers in a collaborative, high-performance environment
Benefits
- comprehensive health care coverage and emotional well-being support
- market-leading retirement
- generous paid time off and parental leave
- charitable giving employee match program
- educational assistance including student loan repayment, tuition reimbursement, and learning resources to develop your career
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard skills
blockchain engineeringsmart contract developmentcrypto infrastructureEVM architectureSVM architecturetoken standardsquantitative modelingdata sciencefinancial engineeringtechnical project leadership
Soft skills
collaborationmentorshipcommunicationtechnical designproblem-solvingaudit processesintegrationscalabilitysecurityteamwork