Circle

Senior Full-Stack Software Engineer, Payments

Circle

full-time

Posted on:

Location Type: Remote

Location: Anywhere in the World

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Salary

💰 $130,000 - $140,000 per year

Job Level

About the role

  • Work autonomously across our Ruby on Rails backend and React front-end to ship high-quality features quickly and safely.
  • Lead complex projects end-to-end, driving architectural and product decisions.
  • Design and scale our subscription billing and invoicing platform, including multiple pricing structures, plan changes, proration, invoicing, and full subscription lifecycle events.
  • Anticipate and design for common billing edge cases such as partial periods, legacy pricing, tax/VAT integration, and failed payments.
  • Build and evolve monetization features like paywalls, upsells, affiliate tools, and subscription settings.
  • Integrate and scale payment solutions (e.g. Stripe, PayPal, in-app payments) to support global audiences, multiple currencies, and diverse business models.
  • Optimize checkout and paywall experiences for reliability, conversion, and UX.
  • Collaborate with leadership, product, and design from early exploration through launch.
  • Continuously improve performance, developer experience, and code quality.
  • Balance iteration speed with technical and UX excellence, shipping behind feature flags when needed.

Requirements

  • Strong alignment with our values (see our careers page).
  • Proficiency in English (spoken, written, and reading) at CEFR Level C2 / ILR Level 5.
  • 5+ years of experience building and maintaining complex full-stack web applications.
  • Advanced proficiency in Ruby on Rails, MySQL/PostgreSQL, React, TypeScript, CSS/SCSS, and TailwindCSS.
  • Direct experience building, scaling, or operating a subscription billing and invoicing system in production.
  • Hands-on experience integrating and maintaining payments in live environments.
  • Strong product mindset with a focus on user outcomes.
  • Senior-level ownership mindset with the ability to lead engineering-heavy, high-impact initiatives with significant autonomy.
  • Comfort operating in a fast-paced, remote-first environment.
  • Experience working on a fully distributed team.
Benefits
  • 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 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.
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
Ruby on RailsMySQLPostgreSQLReactTypeScriptCSSSCSSTailwindCSSsubscription billinginvoicing
Soft Skills
leadershipproduct mindsetuser outcomes focusownership mindsetautonomycollaborationadaptabilitycommunicationproblem-solvingperformance improvement