21.co is hiring a

Blockchain Engineer

About the Role:

We are looking for a talented and experienced Blockchain developer to work on a team of engineers for one of our various DeFi blockchain products. The project will be cutting edge and unique to the crypto industry. There will be massive opportunities to learn new technologies and skillsets, as well as the chance to develop, test, and maintain code for our mission-critical products.

Our culture is all about diversity, communication, collaboration and education.

Responsibilities and Scope:

• Writing and delivering quality code
• Interpret product requirements and provide engineering estimates
• Write helpful and complete documentation for technical end-users
• Code review the work of peers to assure quality, security, and performance
• Identify opportunities to improve existing systems/workflows for performance, speed, and accuracy

What You Will Need To Be Great In This Role:

• A professional understanding of the Ethereum Virtual Machine and its Yellow Paper
• Fluency in Solidity or Vyper and Typescript or Python
• You care about building high-quality well-tested code
• Experience with web3 related libraries and API design
• A high level understanding of common cryptographic and smart contract related vulnerabilities
• Strong debugging skills and/or experience with reverse engineering
• Proficiency with Git
• Must be passionate about working with a growing team in an office environment
• Great written communication skills
• Degree in Engineering or Computer Science

Our Stack:

• Ethereum, Cardano, Solana
• Truffle.js, Hardhat, ganache-cli
• AWS infrastructure

(NYC only) Pursuant to Section 8-102 of title 8 of the New York City administrative code, the base salary range for this role is [$170,000-$190,000]. Total compensation packages are based on a wide array of factors unique to each candidate, including but not limited to skill set, years & depth of experience, certifications and specific office location. This may differ in other locations due to cost of labor considerations.

Apply Now: