Note: The job is a remote job and is open to candidates in USA. Circle is building the world’s leading all-in-one platform for online communities. They are seeking a Senior Site Reliability Engineer to help scale their platform, ensuring systems remain fast, reliable, and secure as usage increases.

Responsibilities

• Act as a first responder for system incidents and outages, helping Circle stay highly available and performant
• Own and evolve our monitoring, alerting, and log management systems
• Manage and optimize our database infrastructure (including MySQL, Postgres, Clickhouse, and Redis)
• Maintain and improve our server infrastructure and deployment pipelines
• Collaborate closely with engineering teams to build scalable, resilient systems
• Contribute to internal SRE tooling and automation efforts

Skills

• Strong alignment with our values (find our values on our career page if you haven't read up on them yet)
• You are proficient in English (spoken, written, and reading) at a CEFR Level C2 / ILR Level 5
• Deep expertise with AWS and Kubernetes
• 5+ years of experience in a Site Reliability, DevOps, or Infrastructure Engineering role
• Proven experience scaling production systems in a high-growth environment (startup or similar)
• Practical, day-to-day experience using AI tools to improve engineering productivity and outcomes (e.g., copilots, LLM-based debugging, automation, or documentation workflows)
• You've helped scale an early-stage product to 1M+ monthly active users
• Experience managing incident response and production system outages
• Hands-on experience with database operations and optimization
• Familiarity with observability tooling, monitoring, and logging best practices
• Based in North or South America (AMER region) — this is a requirement for timezone alignment with our team
• Experience with SOC2 compliance or building secure infrastructure
• Experience with Clickhouse or similar technologies

Benefits

• Fully remote: work from anywhere in the world!
• Paid time away: all employees are given 35 days of PTO annually. We also offer a paid sabbatical after 5 years.
• Generous U.S. benchmarked compensation and startup equity no matter where you are in the world.*
• Awesome medical coverage with 100% coverage for you and your family, or medical reimbursement options where applicable!*
• Parental leave for parents expanding their family, or just starting one.
• Home office stipend to help you get up and running.
• Learning & development stipend to help you level up your professional skills.
• Annual bonus potential for roles that don't already receive variable income or commission.
• Company retreats: Twice a year, the Circle team gets together for a fully paid company retreat in incredible places around the world! We’ve had past retreats in Colombia, Portugal, and Mexico, with more planned on the horizon.

Company Overview