Senior Software Engineer

techchaintalent; New York (NY); On-site; USD 120,000 - 160,000; Full time

Job summary

techchaintalent is seeking a Senior Software Engineer to enhance blockchain systems supporting tokenization. This role focuses on building scalable microservices and collaborating across teams to integrate complex payment systems.

Ideal candidates should have over 6 years of experience in software development, preferably with Java, and knowledge in RESTful API design and cloud services. The position is based in New York, offering a dynamic environment for innovation and growth.

Qualifications

• 6+ years of professional software development experience in object-oriented languages.
• Deep expertise in Java, with experience in Go being secondary.
• Led technical teams in architecture and system design.

Responsibilities

• Extend Circle's in-house blockchain systems infrastructure.
• Build and own scalable microservices.
• Collaborate with Product and Engineering teams.

Skills

Java expertise

Software development

RESTful API design

Cloud Services (AWS, Google Cloud, Microsoft Azure)

SQL databases

Education

Bachelor's Degree in Computer Science

Job description

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