Senior Software Engineer

About the Company Circle is a global financial technology company at the forefront of the new internet of money. Our infrastructure—including USDC, a blockchain-based dollar—powers payments, commerce, and financial applications worldwide. We help businesses, institutions, and developers leverage breakthrough blockchain technologies to drive global economic prosperity and digital inclusion. About the Role The Senior Software Engineer is responsible for extending Circle's in-house blockchain systems infrastructure to support the tokenization of the world. The role involves analyzing requirements, procedures, and problems to improve existing systems and modifying systems. You will build and own 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. The position requires collaboration with Product and Engineering teams to design, test, and shape Circle features, including developing and documenting system design procedures, testing procedures, and quality standards. You will be 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, and writing the infrastructure to deliver great payment experiences, including data sources (SQL or NoSQL), messaging systems and APIs. Requirements - 6+ years of professional software development experience in object-oriented languages, deep Java expertise is preferred. Go is used but secondary. C#/.NET backgrounds are not a fit - Bachelors Degree in Computer Science or a closely related field - 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