Staff Software Engineer

decircle

Staff Software Engineer extending Circle's in-house blockchain systems infrastructure and analyzing requirements for improved systems. Collaborating on features and building scalable APIs for value transfer.

Posted 5/15/2026full-timeRemote • California • 🇺🇸 United StatesLeadWebsite

Tech Stack

Tools & technologies

AWSAzureCloudGoJavaKubernetesMicroservicesNoSQLSQLWeb3

About the role

Key responsibilities & impact

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.

Requirements

What you’ll need

7 years minimum professional software development experience in object oriented languages like Go or Java.
Computer Science degree or a closely related field (or foreign equivalent).
Technical leadership of teams >4 on architecture and system design.
Expert in one of the domains of API design, payments processing, or blockchains.
Deep understanding/experience with: Architecture, design, and deployment of production-quality, scalable software
Web3, blockchain, smart Contract business logic
RESTful API design and development principles
Cloud services (AWS, Google Cloud, Microsoft Azure, etc)
Container orchestration systems like Kubernetes or EKS, ECS
SQL databases and designing schemas
Deep 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 with a curious mindset, you enjoy moving at a fast pace, shipping software that improves the user experience and constantly improving your work with little supervision.

Benefits

Comp & perks

Flexible work environment
Encouragement of new ideas

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

GoJavaAPI designpayments processingblockchainRESTful APISQLNoSQLcloud servicescontainer orchestration

Soft Skills

technical leadershipcommunicationcollaborationself-startercurious mindset