Senior Site Reliability Engineer

Circle is a financial technology company at the epicenter of the emerging internet of money, where value can finally travel like other digital data — globally, nearly instantly and less expensively than legacy settlement systems. This ground-breaking new internet layer opens up previously unimaginable possibilities for payments, commerce and markets that can help raise global economic prosperity and enhance inclusion. Our infrastructure – including USDC, a blockchain-based dollar – helps businesses, institutions and developers harness these breakthroughs and capitalize on this major turning point in the evolution of money and technology.

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 and diverse work environment where new ideas are encouraged and everyone is a stakeholder.

The Site Reliability Engineer is responsible for building and maintaining Circle’s common libraries and infrastructure to support the rapid development of software features; 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; working with SRE to improve software shipping experience and improve the speed and quality of iteration;

building internal developer platform capabilities; collaborating with Product and Engineering teams to design, test, and ship software, including developing and documenting system design procedures, testing procedures, and quality standards; troubleshooting program and system malfunctions to restore normal functioning; consulting with management to ensure agreement on system principles; and writing the infrastructure to deliver great development experiences.

• 2-4 years of professional software development experience, with a strong foundation in object-oriented programming, preferably in languages such as Java or Golang
• Hands‑on experience with major cloud platforms, including AWS, Google Cloud Platform (GCP), and Microsoft Azure
• Proficient with Kubernetes for container orchestration and managing scalable infrastructure
• Skilled in SQL database design, including schema modeling and query optimization
• Experience in the deployment and operation of production‑quality, scalable software
• Emphasis on clean, maintainable code with a focus on speed, quality, and high test coverage to support continuous delivery practices
• Adaptable and quick learner, comfortable exploring new languages, frameworks, and technologies as needed
• Computer Science degree or a closely related field (or foreign equivalent)
• Solid understanding of API design and RESTful architecture, with the ability to derive and communicate well‑structured designs
• Excellent communicator, able to collaborate effectively across remote teams and clearly present technical ideas and solutions
• Self‑motivated with a growth mindset, thrives in fast‑paced environments, delivers impactful user‑focused software, and continuously seeks to improve without heavy oversight

Base Pay Range: $147,500 - $195,000

We are an equal opportunity employer and value diversity  do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. 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 for support. We respect your privacy and will connect with you separately from our interview process to accommodate your needs.

Mid‑Senior level

Full‑time

Engineering and Information Technology

Location:

Tampa, FL