Senior Software Engineer - Special Projects

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 : Multistakeholder, Mindfulness, Driven by Excellence and High Integrity.

Circlers are consistently evolving in a remote world where strength in numbers fuels team success. 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 :

We’re looking for a highly skilled and experienced smart contract engineer to join our USDC Smart Contract team at Circle.

As a Senior / Staff Software Engineer on the team, you will lead the team technically to build and scale smart contracts for USDC across multiple blockchain protocols (, Ethereum, Solana, Cosmos, etc.).

What you'll work on :

• Architect, code, test, and deploy smart contracts to ensure secure and seamless transactions.
• Enhance existing smart contracts to improve developer velocity, safety, and overall efficiency.
• Implement security best practices and performance optimization techniques.
• Conduct risk assessments related to smart contract development on different blockchain platforms, identifying potential vulnerabilities and implementing mitigation strategies to enhance security and resilience.

What you'll bring to Circle (not all required) :

Senior Software Engineer (III)

• 4+ years of professional software development experience (including internships).
• 2+ years of proven experience in smart contract development on blockchain platforms.
• Proficiency in programming languages commonly used for non-EVM smart contracts such as Rust, Go, or others.
• Proven experience in at least one prominent non-EVM blockchain ecosystem such as Cosmos or Solana.
• Demonstrated expertise in architecting, coding, testing, and deploying secure and efficient smart contracts.
• Strong focus on security best practices and experience in implementing security measures in smart contract development.
• Stay updated on the latest trends, tools, and technologies in blockchain development to drive innovation.
• Excellent problem-solving skills with a proactive and data-driven analytical approach to overcoming challenges in smart contract development.
• Demonstrated capability to independently conduct research to resolve complex issues, devise innovative solutions.

Staff Software Engineer (IV)

All the requirements of a Senior Software Engineer and :

• 7+ years of professional software development experience (including internships).
• 4+ years of proven experience in smart contract development on blockchain platforms.
• Expert in non-EVM programming languages and tech stacks.
• In-depth understanding of blockchain technology, principles, and various blockchain & web3 protocols.
• Ability to lead technical teams, mentor junior engineers, and collaborate effectively with cross-functional teams.
• Demonstrate strong communication skills to successfully build consensus among team members and stakeholders.

Additional Information :

This position is eligible for day-one PERM sponsorship for qualified candidates.

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.

Senior Software Engineer (III)

Base Pay Range : $147,500 - $195,000

Annual Bonus Target :

Staff Software Engineer (IV)

Base Pay Range : $172,500 - $227,500

Annual Bonus Target : 15%

Also Included : Equity & Benefits (including medical, dental, vision and 401(k)). Circle has a discretionary vacation policy.

We also provide 10 days of paid sick leave per year and 11 paid holidays per year in the

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 in certain locations, as required by law.

LI-Remote