Senior Software Engineer, Blockchain

Circle is a financial technology company at the epicenter of the emerging internet of money, where value can finally travel like other digital data — globally, nearly instantly and less expensively than legacy settlement systems. This ground-breaking new internet layer opens up previously unimaginable possibilities for payments, commerce and markets that can help raise global economic prosperity and enhance inclusion. Our infrastructure – including USDC, a blockchain-based dollar – helps businesses, institutions and developers harness these breakthroughs and capitalize on this major turning point in the evolution of money and technology.

*What You'll Be Part Of:*
Circle is committed to visibility and stability in everything we do. As we grow as an organization, we're expanding into some of the world's strongest jurisdictions. Speed and efficiency are motivators for our success and our employees live by our company values: High Integrity, Future Forward, Multistakeholder, Mindful, and Driven by Excellence. We have built a flexible and diverse work environment where new ideas are encouraged and everyone is a stakeholder.

*What You'll Be Responsible For:*
Circle is looking for a highly skilled and experienced Blockchain Engineer to join our dynamic team at Circle. As a Blockchain Engineer, you will play a critical role in connecting various blockchains to our infrastructure and maintaining the underlying code. Your expertise will be instrumental in bridging the gap between our server and blockchain nodes, enabling seamless interaction between the two.

*What You'll Be Responsible For:*

• Evaluate new blockchain technologies and their capabilities.
• Develop and validate cryptographic implementations.
• Build highly performant code that is clean, simple, maintainable, and battle-tested with test-driven development (TDD) for maximum test coverage.
• Drive continuous improvement in the tech stack.

*What You'll Bring To Circle:*

• 4+ years of relevant experience.
• Proven experience in Golang and related technologies.
• Bachelor's degree in Computer Science or a closely related field (or equivalent).
• Expertise with cryptography, blockchain technologies, and the underlying fundamentals and mathematics.
• Technical understanding of blockchain technologies including but not limited to BIPs, UTXO, EVM, Nakamoto Consensus, and cryptography.
• Willingness to pick up new and emerging bleeding-edge blockchain technologies.
• A focus on coding standards and code quality -- a desire to have great test coverage to enable continuous delivery.
• Led teams (2-4) technically on architecture and system design.
• Excellent communication skills, able to collaborate with remote teams, share ideas, and present concepts effectively.
• Extensive knowledge of secure cryptosystem operating practices is required.
• Self-starter, you enjoy moving at a fast pace, shipping software that improves the user experience and constantly improving your work with little supervision.
• Written and verbal communication skills in English and Mandarin Chinese are required.

Circle is on a mission to create an inclusive financial future, with transparency at our core. We consider a wide variety of elements when crafting our compensation ranges and total compensation packages.
Starting pay is determined by various factors, including but not limited to: relevant experience, skill set, qualifications, and other business and organizational needs. Please note that compensation ranges may differ for candidates in other locations.
We are an
equal opportunity employer
and value diversity at Circle. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. Additionally, Circle participates in the
E-Verify Program
in certain locations, as required by law.

Should you require accommodations or assistance in our interview process because of a disability, please reach out to

for support. We respect your privacy and will connect with you separately from our interview process to accommodate your needs.