Job Url: https://www.remoterocketship.com/company/circle-so-2/jobs/senior-full-stack-engineer-payments-platform-united-states-remote Job Description: Circle Website LinkedIn All Job Openings Circle is an all-in-one community platform designed for creators and brands to build, engage, and monetize their communities. It offers tools for creating immersive courses, organized discussions, and personalized experiences that integrate seamlessly with existing websites and tools. With features like private spaces, member directories, and flexible payment options, Circle empowers users to enhance their community interaction and business models effectively. 51 - 200 employees Founded 2019 👥 B2C 🛍️ eCommerce 📚 Education 💰 $24.9M Series A on 2021-11 Senior Full-Stack Engineer - Payments Platform 2 days ago 🇺🇸 United States – Remote 💵 $130k - $140k / year ⏰ Full Time 🟠 Senior 🧑‍💻 Full-stack Engineer 🦅 H1B Visa Sponsor MySQL Postgres React Ruby Ruby on Rails SCSS TypeScript Apply Now Receive Emails with Similar Jobs Report problem 📋 Description • We’re looking for a seasoned full-stack engineer to help evolve and expand Circle’s payments infrastructure.\n• As part of our Payments Platform team, you’ll play a key role in building, maintaining, and scaling the critical systems that power how our communities monetize on Circle.\n• This role focuses on the infrastructure behind our payment experiences — from integrating new payment providers to ensuring our checkout flows are reliable, secure, and seamless.\n• You’ll be involved in all stages of the development lifecycle, from technical design to deployment and ongoing support.\n• As a senior engineer, you'll break down large projects into actionable tasks, lead development efforts, review PRs, and ensure high-quality releases behind feature flags.\n• Your responsibilities will also include bug-fixing and continuous improvement of the codebase.\n• This role requires high technical proficiency and a strong understanding of software development best practices.\n• If you're excited about scaling critical systems, integrating checkout flows with multiple payment providers, and collaborating across teams, this could be the perfect fit! 🎯 Requirements • Strong alignment with our values, find our values on our career page if you haven’t read up on them yet\n• You are proficient in English (spoken, written, and reading) at a CEFR Level C2 / ILR Level 5.\n• 5+ years of experience working as a full-stack engineer on complex web applications.\n• Strong proficiency in Ruby on Rails, MySQL/PostgreSQL, ReactJS, TypeScript, CSS/SCSS, and TailwindCSS.\n• Deep experience integrating and maintaining payment systems (e.g. Stripe, PayPal) — ideally with multiple providers in a production environment.\n• A strong understanding of checkout flows, payment processing, subscriptions lifecycle, and monetization architecture.\n• Motivation to understand the business, our users, their requirements, and to deliver results.\n• A desire to work in an environment that values speed, autonomy, and accountability.\n• Comfortable in a fast-paced environment with a certain level of ambiguity.\n• Adaptable and able to change direction quickly when needed.\n• Familiar with agile software development principles.\n• Experience working on a fully distributed remote team. 🏖️ Benefits • Fully remote: work from anywhere in the world!\n• Autonomy and trust to do your job: we care about outcomes over everything else.\n• Paid time away: all employees are given 35 days of PTO annually. We also offer a paid sabbatical after 5 years.\n• Generous U.S. benchmarked compensation and startup equity no matter where you are in the world.*\n• Awesome medical coverage with 100% coverage for you and your family, or medical reimbursement options where applicable!*\n• Parental leave for parents expanding their family, or just starting one.\n• Home office stipend to help you get up and running.\n• Learning & development stipend to help you level up your professional skills.\n• Annual bonus potential for roles that don't already receive variable income or commission.\n• 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. Apply Now Discover 100,000+ Remote Jobs!