Senior Software Engineer, Product

Brex; São Paulo; On-site; BRL 180,000 - 300,000; Full time

Benefits offered by this job

Fully remote weeks (up to 4 per year)

Job summary

Brex is seeking a software engineer to design and build customer-facing and internal APIs, libraries, and tools. You will contribute to scalable backend systems and own features from concept to production, working within a hybrid São Paulo office.

The role emphasizes strong communication, English fluency, and a data-driven, proactive approach. We value experience with Java/Kotlin/Python, SQL/NoSQL, and collaboration with product and design teams to deliver reliable financial software solutions.

Qualifications

• 5+ years of experience as a software engineer.
• Experience creating libraries and tools for engineers and operations.
• Experience building scalable backend systems.
• Experience with SQL or NoSQL databases.
• Backend languages: Java, Kotlin, Python.

Responsibilities

• Design and build APIs, libraries, and tools for Brex engineers and operations.
• Own functionality and scalability features from inception to deployment.
• Undertake full software development lifecycle: design, development, testing, and production operations.
• Maintain high engineering standards and consistency across codebases and processes.

Skills

Backend experience

Java/Kotlin/Python

APIs

SQL/NoSQL

Scalable backend systems

English proficiency

Communication

Proactive approach

Job description

Why join us Brex is the intelligent finance platform that enables companies to spend smarter and move faster in more than 200 markets. By combining global corporate cards and banking with intuitive spend management, bill pay, and travel software, Brex enables founders and finance teams to accelerate operations, gain real-time visibility, and control spend effortlessly. Brex’s AI-native automation and world‑class service eliminate manual expense and accounting tasks for customers so they can focus on what matters most. Tens of thousands of the world's best companies run on Brex, including DoorDash, Coinbase, Robinhood, Zoom, Plaid, Reddit, and SeatGeek. Working at Brex allows you to push your limits, challenge the status quo, and collaborate with some of the brightest minds in the industry. We’re committed to building a diverse team and inclusive culture and believe your potential should only be limited by how big you can dream. We make this a reality by empowering you with the tools, resources, and support you need to grow your career. 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.

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.

What you’ll do

We are looking for folks with an interest in building products and tools, who are comfortable dealing with a lot of moving pieces. You will be building customer-facing products that will drive direct business impact and shape our long-term technical vision with a high‑quality bar. You will have the opportunity to learn and push the frontier of providing the best financial software experience to help companies grow. You will be encouraged to be metric and data‑driven and to think creatively to help Brex scale and prepare for the new markets we are about to enter.

Responsibilities

• Design and build strong, resilient, and robust APIs, libraries, and tools to power Brex engineers and operations
• Own functionality and scalability features by taking responsibility from inception to deployment
• Be responsible for full software development lifecycle: design, development, testing, and operating in production
• Uphold our high engineering standards and bring consistency to the codebases, infrastructure, and processes you will encounter

Requirements

• 5+ years of experience working as a software engineer
• Experience creating libraries and tools for engineers and operations
• Experience building and designing scalable backend systems
• Experience working with SQL or NoSQL databases
• Familiarity with software engineering development cycles
• Experience working with backend programming languages (Java, Kotlin, Python)
• Ability to hold yourself and the team to high standards
• Strong communication and interpersonal skills
• English proficiency/fluency, both written and speaking (note: interviews will be conducted in English)
• Bonus points: Experience collaborating with experts in product, design, and operations
• Familiarity with functional programming languages
• Strong writing skills
• Proactive approach

Please be aware, job‑seekers may be at risk of targeting by malicious actors looking for personal data. Brex recruiters will only reach out via LinkedIn or email with a brex.com domain. Any outreach claiming to be from Brex via other sources should be ignored.