Senior Site Reliability Engineer

About Us Circle is building the world’s leading all-in-one platform for online communities. We make it possible for creators, coaches, educators, and businesses to bring together their audience with engaging discussions, live streams, events, chat, courses, and payments — all in one place, all under their own brand. We’re proud to be a fully remote company of around 200 (and growing!) team members from 30+ countries around the world. We seek exceptional individuals around the world, set them up to do the best work of their lives, and in turn, create a meaningful impact in their own lives. We don't track hours, but we do manage for high expectations very closely. We collaborate across time zones, are highly async, and like to document a lot. Twice a year, we bring the whole company together in beautiful places around the world for our company offsites. So far, we’ve hosted offsites in Turkey, Portugal, Mexico, Thailand, Colombia, Italy, Ireland, and more, with still more to come! Check out our Careers page for more about working at Circle. About the role We're growing fast — and so is the demand on our infrastructure. We're hiring a Senior Site Reliability Engineer to help us scale Circle’s platform with confidence. You'll play a critical role in keeping our systems fast, reliable, and secure as usage climbs. This is a highly impactful, hands-on role for someone who thrives in high-growth environments and wants to build for the long term. What you'll be doing 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 What you'll need to be successful 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 Bonus points Experience with SOC2 compliance or building secure infrastructure Experience with Clickhouse or similar technologies Compensation & benefits $130,000 - $140,000 USD per year Circle offers U.S.-benchmarked compensation globally, equity in the company with ongoing refresh grants, and 35 days of paid time off each year. We’re a remote-only team that comes together twice a year for company retreats in incredible destinations around the world. Alongside incredible flexibility and autonomy, we offer a benefits package that supports health, wellbeing, and professional growth. Learn more in our Candidate Hub. Learn more Candidate Safety & Interview Process Notice Diversity, Equity & Inclusion How We Use Candidate Data Equal Employment Opportunity Visit our Candidate Hub to learn more about working at Circle, our benefits, and our hiring process.