Senior Full-Stack Software Engineer, CMS

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 hiring two senior full-stack engineers to join our CMS organization — one on CMS Core and one on CMS Builder. These teams are responsible for some of the most critical and widely-used surfaces across Circle’s product. CMS Core owns our core community features like discussions, courses, the Home feed, search, and digests. CMS Builder is behind our powerful new site builder, enabling customers to create beautiful, custom web experiences with ease. If you’re a product-minded engineer who enjoys tackling big, user-facing problems and shaping architecture with care, you’ll feel right at home here. What you'll be doing Build and ship high-impact features used by millions of people. Work across the stack using React TypeScript (frontend) and Ruby on Rails (backend). Improve the quality of our codebase and identify architectural opportunities for long-term evolution. Collaborate closely with Circle’s co-founders and product/design teams throughout the spec and design process. Review PRs with care, contributing to a culture of thoughtful and constructive feedback. Work async-first and bring clear, proactive communication to everything you do. 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 . 5+ years of experience building and scaling SaaS products. Deep experience with Ruby on Rails and strong proficiency with React TypeScript. A product mindset — you care about the “why” behind what you’re building and aim to deliver great UX. Experience working on high-throughput, high-concurrency systems. Sound architectural judgment and a high bar for quality, balanced with pragmatism. Comfort working with and alongside AI tools in your development workflow. Excellent async communication and collaboration skills. Bonus points Experience working on CMS platforms or site builders. Prior experience at an early-stage or growth-stage startup. Familiarity with performance tuning and scaling in Rails applications. Contributions to open-source projects or developer communities. $130,000 - $140,000 USD per year The cash compensation range shown is a starting point. In addition to equity, benefits and perks, your cash compensation is subject to an annual review and increase on a once per year basis. The fun stuff Fully remote: work from anywhere in the world! Autonomy and trust to do your job: we care about outcomes over everything else. 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 ... (truncated, view full listing at source)