The Senior Software Engineer will enhance Circle's blockchain systems, design and build scalable microservices and APIs, lead teams, and ensure system reliability and security in payment processes.
Circle (NYSE: CRCL) is one of the world's leading internet financial platform companies, building the foundation of a more open, global economy through digital assets, payment applications, and programmable blockchain infrastructure. Circle's platform includes the world's largest regulated stablecoin network anchored by USDC, Circle Payments Network for global money movement, and Arc, an enterprise-grade blockchain designed to become the Economic OS for the internet. Enterprises, financial institutions, and developers use Circle to power trusted, internet-scale financial innovation. Learn more at circle.com .
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 work environment where new ideas are encouraged and everyone is a stakeholder.
What you'll be responsible for:
The Senior Software Engineer is responsible for extending Circle's in-house blockchain systems infrastructure to support the tokenization of the world; analyzing requirements, procedures, and problems to improve existing systems and modifying systems; building and owning scalable microservices that are responsible for reliable and secure APIs that transfer value and assets across all blockchain protocols as well as traditional banking protocols; collaborating with Product and Engineering teams to design, test, and shape Circle features, including developing and documenting system design procedures, testing procedures, and quality standards; troubleshooting program and system malfunctions to restore normal functioning; building publicly accessible APIs that make it simple for developers to integrate with complex payment systems; integrating Platform Services with leading banks and financial technologies; consulting with management to ensure agreement on system principles; writing the infrastructure to deliver great payment experiences, including data sources (SQL or NoSQL), messaging systems and APIs; other duties as assigned.
What you'll bring to Circle:
Additional Information:
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.
Base Pay Range: $152,500 - $205,000
We are an equal opportunity employer. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status, or any other protected status required by the laws in the locations where we hire. 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 [email protected] for support. We respect your privacy and will connect with you separately from our interview process to accommodate your needs.
#LI-Remote
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 work environment where new ideas are encouraged and everyone is a stakeholder.
What you'll be responsible for:
The Senior Software Engineer is responsible for extending Circle's in-house blockchain systems infrastructure to support the tokenization of the world; analyzing requirements, procedures, and problems to improve existing systems and modifying systems; building and owning scalable microservices that are responsible for reliable and secure APIs that transfer value and assets across all blockchain protocols as well as traditional banking protocols; collaborating with Product and Engineering teams to design, test, and shape Circle features, including developing and documenting system design procedures, testing procedures, and quality standards; troubleshooting program and system malfunctions to restore normal functioning; building publicly accessible APIs that make it simple for developers to integrate with complex payment systems; integrating Platform Services with leading banks and financial technologies; consulting with management to ensure agreement on system principles; writing the infrastructure to deliver great payment experiences, including data sources (SQL or NoSQL), messaging systems and APIs; other duties as assigned.
What you'll bring to Circle:
- 6 years minimum professional software development experience in object oriented languages like Java and Go
- Bachelor's degree in Computer Science or a closely related field (or equivalent).
- Led teams (2-4) technically on architecture and system design.
- Experience working with payment systems like credit cards and bank transfers.
- A broad understanding of RESTful API design and development principles.
- Experience with Cloud Services (AWS, Google Cloud, Microsoft Azure, etc).
- Experience with SQL databases and designing schemas.
- Proven experience in the design & deployment of production-quality, scalable software.
- A focus on coding standards and code quality -- a desire to have great test coverage to enable continuous delivery.
- Excellent communication skills, able to collaborate with remote teams, share ideas and present concepts effectively.
- Self-starter, you enjoy moving at a fast pace, shipping software that improves the user experience and constantly improving your work with little supervision.
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.
Base Pay Range: $152,500 - $205,000
We are an equal opportunity employer. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status, or any other protected status required by the laws in the locations where we hire. 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 [email protected] for support. We respect your privacy and will connect with you separately from our interview process to accommodate your needs.
#LI-Remote
Top Skills
AWS
Go
GCP
Java
Azure
Restful Apis
SQL
Circle New York, New York, USA Office
Circle New York City Office

1 World Trade Center, New York, NY, United States, 10007
Similar Jobs at Circle
Blockchain • Fintech • Payments • Financial Services • Cryptocurrency • Web3
Lead Circle's global fraud risk management program, overseeing analytics, compliance with regulations, and investigations into fraud. Collaborate with stakeholders to assess and mitigate fraud risks.
Top Skills:
AIData AnalyticsFraud Detection SystemsMachine Learning
Blockchain • Fintech • Payments • Financial Services • Cryptocurrency • Web3
As Guest Experience Coordinator, you will manage reception duties, provide guest services, and support special projects, ensuring a premium experience for visitors.
Top Skills:
Google WorkspaceRingcentralSlack
Blockchain • Fintech • Payments • Financial Services • Cryptocurrency • Web3
The Senior Principal Product Manager will drive growth initiatives for Circle's products and developer adoption, collaborating with teams to enhance user experiences and ensure regulatory compliance.
Top Skills:
BlockchainCloudCryptoFintech
What you need to know about the NYC Tech Scene
As the undisputed financial capital of the world, New York City is an epicenter of startup funding activity. The city has a thriving fintech scene and is a major player in verticals ranging from AI to biotech, cybersecurity and digital media. It also has universities like NYU, Columbia and Cornell Tech attracting students and researchers from across the globe, providing the ecosystem with a constant influx of world-class talent. And its East Coast location and three international airports make it a perfect spot for European companies establishing a foothold in the United States.
Key Facts About NYC Tech
- Number of Tech Workers: 549,200; 6% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Capgemini, Bloomberg, IBM, Spotify
- Key Industries: Artificial intelligence, Fintech
- Funding Landscape: $25.5 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Greycroft, Thrive Capital, Union Square Ventures, FirstMark Capital, Tiger Global Management, Tribeca Venture Partners, Insight Partners, Two Sigma Ventures
- Research Centers and Universities: Columbia University, New York University, Fordham University, CUNY, AI Now Institute, Flatiron Institute, C.N. Yang Institute for Theoretical Physics, NASA Space Radiation Laboratory


