Staff Software Engineer, Financial Infrastructure at Replit · LumiJobs

Responsibilities

Make Replit the single place where businesses can buy everything they need through their agents. As a Staff Software Engineer on Replit’s Money team, you’ll set technical direction and build the commerce platform that lets users discover, evaluate, purchase, and manage the products and services they need to build and run their businesses—without leaving Replit.
Replit already enables businesses to accept payments through integrations such as Stripe. This role builds on that foundation to expand what businesses can buy and accomplish through Replit Agent. You’ll design commerce experiences that combine the simplicity consumers expect with the controls enterprises need, making agent-assisted purchasing useful, trustworthy, and reliable.
You’ll own architecture and lead cross-team delivery across merchant and service-provider integrations, agent tools, purchasing workflows, and the lifecycle after a transaction. The challenge goes beyond executing a payment: agents need to understand what a user wants, present clear choices and costs, act within delegated authority, and verify that the purchase delivered the intended outcome. You’ll stay hands-on with design and code while aligning partners, mentoring engineers, and turning an ambitious product vision into incremental customer value.
Set technical direction for Replit’s financial infrastructure, with an immediate focus on enterprise billing, spend controls, and financial correctness.
Build shared services for usage-based billing, pricing, credits, subscriptions, and entitlements so product teams can launch without rebuilding billing.
Automate enterprise contract lifecycles—from onboarding through amendments and renewals—keeping commercial terms, provisioned credits, and invoices in sync.
Build timely budget enforcement, alerts, and overrides that give customers control over spend without disrupting their hosted apps.
Make AI usage understandable: attribute costs to the right customer, workspace, user, or agent, including delegated work without double-counting.
Build reconciliation and audit trails that make balances and invoices explainable and help Finance catch discrepancies before customers do.
Simplify the billing stack through safe migrations that preserve balances, transaction history, and customer access.
Own production reliability through testing, observability, incident response, and safe recovery from duplicate events, delayed usage, and partial failures.
Stay hands-on while leading cross-team delivery, mentoring engineers, and partnering with Product, Finance, Sales, and Support.

Staff Software Engineer, Financial Infrastructure

Responsibilities

Qualification

Required

Preferred

Benefits

Company

Replit

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