Senior Blockchain Engineer at 21.co

Are you ready to help us shape the future of finance by building accessible crypto products? At 21.co, we are the global leader in providing crypto access through simple, intuitive solutions. As the parent company of 21Shares, we manage one of the world's largest suites of cryptocurrency-backed exchange traded products, powered by our proprietary Onyx platform. Since our founding in 2018 by Hany Rashwan and Ophelia Snyder, we have remained at the forefront of the industry, and with board members like Cathie Wood of ARK Invest, we are constantly pushing the boundaries of what is possible in the fintech and web3 space.

What you bring

We are looking for a Senior Blockchain Engineer to join our team on a full-time, hybrid basis in the United States. You will play a critical role in our engineering department by driving our initiatives in DeFi, tokenization, and EVM-compatible networks. Your primary responsibilities will include:

• Architecting and building secure smart contracts and blockchain applications with a specific focus on Ethereum and tokenization strategies.
• Partnering with product managers and cross-functional stakeholders to define project goals and deliver high-impact solutions in our fast-paced environment.
• Setting the standard for engineering excellence by championing best practices in security, testing, and system performance across the development lifecycle.

Requirements

To succeed in this role, you should possess deep technical expertise in the Ethereum ecosystem, including proficiency in Solidity and TypeScript. You should have a strong grasp of DeFi protocols, tokenization, and web3 libraries such as ethers.js and web3.js. We value candidates who have experience with development tools like Foundry, Hardhat, and AWS infrastructure. Beyond your technical skills, you should be a collaborative leader who is comfortable mentoring others and adapting to shifting priorities. Excellent communication skills in English are required, as is a commitment to maintaining the highest standards of code security and innovation.

What we offer

We provide a competitive base salary range of $150,000 to $200,000 for this position. In addition to your compensation, we support your well-being and professional life through the following benefits:

• Hybrid work arrangements to provide flexibility.
• Comprehensive medical insurance coverage.
• A 401k retirement plan.
• Generous paid time off.

How to Apply

If you are passionate about blockchain technology and want to work with a world-class team to build the next generation of financial products, we would love to hear from you. Please submit your application to join our mission and help us continue our growth as a leader in the digital asset space.