Software Engineer II, Frontend Platform

1 dia atrás

São Paulo, São Paulo, Brasil Brex Tempo inteiro

Engineering at Brex

Engineering at Brex is about building systems that scale with speed and intention. Our teams span Software, Data, Security, and IT, and operate with high autonomy and deep collaboration. We tackle hard technical problems, own our outcomes, and push for excellence at every level — from architecture to deployment. It's an environment where engineering is a craft, and builders become leaders.

About the Team:

The Frontend Platform team builds and maintains the core web, mobile, and design systems infrastructure behind every customer-facing experience at Brex. The team is responsible for the stability, performance, and scalability of our frontend applications, and for creating an excellent developer experience for the teams that build them.

In this role, you'll join a high-impact Web pod that partners closely with designers, product teams, and other engineers across the company. Together, you'll drive the adoption of frontend architectural patterns, improve our product experience, and help define the future of frontend at Brex.

What you'll do

  • Own and contribute to platform, infrastructure, and developer experience improvements that impact all frontend engineers at Brex.
  • Define and implement scalable patterns for data fetching, state management, and cross-product reusability in partnership with design system and product engineers.
  • Set and uphold a high bar for quality, including performance, testing, accessibility, and observability.
  • Own problems end-to-end: designing, implementing, testing, managing stakeholders, and measuring impact.

Where you'll work

This role will be based in our São Paulo office. We are a hybrid environment that combines the energy and connections of being in the office with the benefits and flexibility of working from home. We currently require a minimum of three coordinated days in the office per week – Monday, Wednesday and Thursday. As a perk, we also have up to four weeks per year of fully remote work

Requirements:

  • Several years of experience building modern web applications using React, JavaScript/TypeScript, GraphQL, and modern CSS.
  • Demonstrated interest in developer experience and platform engineering, with experience improving shared infrastructure, standards, or tooling.
  • Solid testing practices and experience building reliable, maintainable client-side systems across browsers.
  • Comfort managing projects and collaborating cross-functionally to balance competing requirements and priorities.

Bonus points:

  • Familiarity with complex frontend migrations, refactors, or large-scale architectural changes.
  • Strong intuition for balancing pragmatism with innovation when evaluating new technologies.
  • Interest in emerging developer productivity tools, including agentic coding workflows.

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