Solidity Jobs

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Job Position Company Posted Location Salary Tags

Feldspar & Flint LLC

United States

$160k - $165k

BlockTal

Seattle, WA, United States

$140k - $190k

Base

Remote

$218k - $256k

Kiln

New York, NY, United States

$87k - $87k

Noise Labs

New York, NY, United States

$200k - $240k

Superduper

United Kingdom

$133k - $135k

CoW DAO

New York, NY, United States

LCX

Gurugram, India

$54k - $60k

1inch

Dubai, United Arab Emirates

$53k - $75k

PIP Labs

United States

$105k - $171k

Superlogic

Remote

$74k - $148k

Circle

Singapore, Singapore

$91k - $96k

travoom

Austin, TX, United States

$87k - $87k

Trilitech

London, United Kingdom

$98k - $108k

Kiln

Paris, France

$87k - $87k

Feldspar & Flint is a NYC metro-based Recruiting firm dedicated to identifying and providing exceptional candidates to meet the specific needs of our clients.


Job Summary:

We are seeking a highly skilled and experienced Senior Blockchain Engineer with a strong background in Solidity development and Quantitative Finance. The ideal candidate will possess deep expertise in financial instruments such as derivatives, swaps, lending, repo markets, collateral management, and liquidation, along with a solid understanding of blockchain technology and smart contract development.



You will play a key role in designing, developing, and deploying secure and scalable smart contracts that power next-generation DeFi infrastructure.

Key Responsibilities:

  • Design, develop, test, and deploy smart contracts using Solidity for complex QuantFi use cases.
  • Collaborate with product and finance teams to translate financial models into blockchain-based solutions.
  • Conduct rigorous security testing using tools like Slither and Mythril to ensure contract integrity.
  • Utilize frameworks such as Hardhat and Foundry for development and testing.
  • Write scripts and automation tools using JavaScript or TypeScript.
  • Participate in code reviews, audits, and continuous improvement of smart contract architecture.
  • Stay current with DeFi trends, security best practices, and emerging technologies.

Must-Have Qualifications:

  • Bachelor’s degree in Computer Science, Engineering, Finance, or a related STEM field.
  • Proven experience in Quantitative Finance, including derivatives, lending, and collateral systems.
  • Strong proficiency in Solidity and smart contract development.
  • Experience with Solidity security testing tools (e.g., Slither, Mythril).
  • Hands-on experience with Hardhat and/or Foundry.
  • Proficiency in scripting languages such as JavaScript or TypeScript.

Nice-to-Have Qualifications:

  • Experience building or contributing to DeFi infrastructure, especially in areas like derivatives, collateral, lending, risk management, or compliance.
  • Familiarity with on-chain risk modeling and oracle integration.
  • Contributions to open-source blockchain projects.

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.