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Posted 1mo ago•São Paulo, São Paulo, Brazil

React Software Engineer

MiddleOn-site (São Paulo)Salary undisclosed
Required Skills
TypeScriptPythonReactNext.jsDockerGraphQLLinuxTailwind CSS
Job Description

About the Role

We're looking for a frontend engineer to join a small, senior team building the payment platform that powers financial operations for virtual world publishers. You'll own frontend work across multiple codebases — an internal admin tool, embeddable payment widgets, and publisher-hosted transaction pages — all securely handling real money, real compliance requirements, and real users.

This isn't a "build marketing pages" gig. You'll be working with GraphQL APIs backed by Go microservices, writing code that touches invoicing, payouts, KYC verification, and fraud detection. The work matters and the stakes are real.

What You'll Work On

  • Admin Tools (React, Vite, Chakra UI, Apollo Client): Internal tooling used by operations teams to manage accounts, transactions, and payment methods. Turborepo monorepo with a GraphQL BFF layer.
  • Payment Widgets (Next.js, React, Tailwind CSS, Server Components): Embeddable checkout, payout, and KYC flows where every millisecond of load time impacts conversion. Active rewrite with a performance-first architecture.
  • Publisher-Hosted Pages (Next.js, Chakra UI, SSR): Multi-tenant, themeable transaction pages served under publisher-b

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