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Job Title: Associate Director, Blockchain Engineering
Location: Jersey City, NJ / Tampa, FL (Hybrid: 3 days onsite – Tuesdays, Wednesdays, plus 1 flex day)
Type: Full-Time | Mid-Senior Level
Function: Information Technology
Industry: Financial Services
Overview:
We are seeking a seasoned Solidity Engineer with strong expertise in Quantitative Finance to join our blockchain engineering team. The ideal candidate should possess a deep understanding of financial instruments—such as derivatives, swaps, lending, repo markets, and collateral management—and a strong background in blockchain development and smart contract implementation.
Key Responsibilities:
- Design, develop, test, and deploy smart contracts for quantitative finance (QuantFi) applications.
- Model and implement complex financial instruments and systems.
- Collaborate with frontend/backend teams to integrate smart contracts into web platforms.
- Build cross-chain interoperability and work with various Layer 1 technologies.
- Conduct thorough code reviews ensuring security, performance, and quality.
- Maintain and enhance deployed smart contracts as business needs evolve.
- Stay up to date with blockchain and cryptographic innovations to identify and mitigate security risks.
- Work with product managers and stakeholders to define technical requirements and system architecture.
- Communicate blockchain concepts to both technical and non-technical team members.
- Debug and resolve issues with deployed smart contracts.
Required Qualifications:
- Bachelor’s degree in Computer Science, Engineering, Finance, or related STEM field.
- 7+ years of software development experience.
- Proven experience in Solidity development and Quantitative Finance.
- Background in finance, banking, or trading with understanding of financial systems and instruments.
- Strong knowledge of blockchain security principles and smart contract vulnerabilities.
- Proficiency with Hardhat, Foundry, and Solidity security tools (e.g., Slither, Mythril).
- Strong scripting skills in JavaScript or TypeScript.
- Experience with unit/integration testing and best development practices.
Preferred Qualifications:
- Advanced degree in Computer Science, Engineering, Finance, or a related field.
- Hands-on experience in DeFi infrastructure, including derivatives, lending, collateral, and risk systems.
Interview Process:
- Initial Screening: HireVue
- Technical Interview: Zoom with Hiring Manager
- Final Round: Onsite Interview
Benefits Include:
- Performance-based bonus
- Health and life insurance
- Retirement plans
- Generous leave policy including personal/family care
What does a solidity developer do?
A Solidity developer is a programmer who specializes in writing smart contracts using the Solidity programming language
Solidity is a contract-oriented, high-level language for implementing smart contracts on various blockchain platforms, such as Ethereum
The responsibilities of a Solidity developer can vary depending on the specific project they are working on, but some common tasks they might be responsible for include:
- Writing and testing Solidity code for smart contracts, Debugging and troubleshooting issues with existing smart contracts
- Collaborating with other members of the development team to ensure that the contracts are implemented according to the project's specifications
- Keeping up-to-date with the latest developments in the Solidity and blockchain communities, and incorporating new best practices and techniques into their work
- Participating in code reviews and contributing to the development of coding standards and guidelines for the project.