Senior Site Reliability Engineer - CLO

Circle is a leading internet financial platform company building digital asset, payment, and programmable blockchain infrastructure for a more open global economy. The Senior Site Reliability Engineer will build and operate scalable platform capabilities, cloud infrastructure, microservices, and secure APIs while improving CI/CD and developer workflows. The role also focuses on operating AI-enabled developer tooling, ensuring reliability, observability, security, auditability, and cost management across production systems.

Responsibilities:

• Build and operate scalable microservices, platform capabilities, and shared engineering libraries
• Design, deploy, and maintain secure, reliable cloud infrastructure and Kubernetes-based services
• Improve CI/CD pipelines, developer workflows, and software delivery automation across engineering teams
• Engineer and operate Circle’s autonomous coding-agent orchestration platform and AI-enabled developer tooling
• Implement observability, monitoring, incident response, and operational best practices for production systems and AI services
• Partner with Product and Engineering teams to design resilient architectures and improve platform reliability
• Continuously improve security, access controls, auditability, and cost optimization across cloud infrastructure and AI-powered workflows

Requirements:

• • 3–6 years of professional software development experience using languages such as Golang, Java, JavaScript/TypeScript, Python, or Rust
• • Hands-on experience building and operating cloud-native applications on AWS or GCP, including Kubernetes-based infrastructure
• • Experience engineering and operating production workflow orchestration systems, developer platforms, or autonomous agent solutions
• • Experience integrating AI capabilities through APIs, SDKs, or workflow tooling while applying operational guardrails such as observability, access controls, auditability, evaluation, monitoring, and human approval where appropriate
• • Strong understanding of distributed systems, RESTful API design, SQL database design, schema modeling, and query optimization
• • Demonstrated commitment to writing clean, maintainable, well-tested code that supports continuous delivery and operational excellence
• • Bachelor's degree in Computer Science or a related technical field, or equivalent practical experience
• • Excellent communication skills with the ability to collaborate effectively across distributed engineering teams and clearly communicate technical concepts
• • Self-motivated with a growth mindset, a passion for learning new technologies, and the ability to thrive in a fast-paced environment while delivering high-impact software