Principal Software Engineer (Money Infrastructure)

Join Replit as a Principal Software Engineer focused on Money Infrastructure. In this role, you will design and scale reliable financial systems that directly impact revenue and user experiences. You will lead the architecture and implementation of Replit's core money infrastructure, enabling rapid pricing and packaging experimentation, building localized payment experiences, and powering builder monetization. You will collaborate with finance, accounting, and data teams, as well as external monetization and payments partners. This is a remote-first position with flexible work hours and a comprehensive benefits package.

• Lead the design, architecture, and implementation of Replit’s core money infrastructure, spanning pricing, billing, payments, and monetization.
• Own and scale the global order-to-cash foundation supporting credit-based subscriptions, usage-based billing, marketplaces, in-app payments, and commerce for Agents.
• Enable rapid pricing and packaging experimentation across the company by building flexible abstractions and APIs for new SKUs, plans, and monetization models.
• Tools + Tech Stack for this role: Rust, TypeScript, React, Postgres, GraphQL, and Node.js
• SaaS taxation or compliance systems
• Usage-based or metered billing systems
• Payment processing platforms
• Experience building customer-facing billing or payments interfaces that simplify complex pricing models
• Subscription or recurring billing platforms
• Hands-on experience building or operating at least one of the following:
• 8+ years of professional software engineering experience, with strong backend expertise
• Excellent debugging and problem-solving skills, including handling complex billing edge cases and failure modes
• Tokenization or credits-based systems
• Strong system design skills, especially for high-reliability, high-correctness domains like money
• Comfort working autonomously in ambiguous, fast-moving environments with high business impact
• Experience with usage-based billing platforms like Orb, Metronome, or Stripe Billing
• Experience building coupons, referral programs, credits, or other monetization growth systems
• Prior work on globally distributed payment systems with localization and compliance considerations
• Experience working on marketplaces, fintech integrations, or multi-party payment flows