Software Engineer II, Frontend

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.

What you’ll do

As an Intermediate Frontend Engineer, you will be working across the entire Brex stack, creating and maintaining new products, features, and building tools to help scale Brex. You will have the opportunity to learn and push the frontier of providing the best financial software experience to help companies grow. You’ll be encouraged to be metric and data-driven and to think creatively to help Brex scale and get prepared for the new markets we are about to enter. We’re looking for folks with not only an interest in building products and tools but also interested in leading multi-functional projects with lots of moving pieces. In this role, you’ll have the opportunity to drive direct business impact and shape our long-term technical vision with a high-quality bar.

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 two coordinated days in the office per week, Wednesday and Thursday. Starting February 2, 2026, we will require three days per week in office - Monday, Wednesday and Thursday. As a perk, we also have up to four weeks per year of fully remote work! 

Responsibilities

• Work with engineers across the company to build new features and products.
• Work side-by-side with user facing teams (Sales, Support) to best understand the needs of our customers. 
• Design and implement experiments to improve our customer’s experiences.
• Own problems end-to-end, thinking through everything from user experience, data models, scalability, operability and ongoing metrics.
• Tune and polish features to a high-degree of excellence.

Requirements

• Experience architecting, developing, and testing client-side code end to end
• Experience developing software for the Web platform, including cross-browser compatibility
• Experience with modern tools like ES6+, React, GraphQL, & Webpack
• Uphold our high engineering standards
• Strong communication and interpersonal skills.

Bonus points

• Experience collaborating with specialists in product, design, and operations
• Experience with developing in React Native for mobile
• Basic experience with design tools
• Great writing skills
• Proactive approach.