Software Engineer, Internship - 2027

Brex; United States; Remote; USD 22,000 - 45,000; Full time

Job summary

Brex is seeking an intern to join its Engineering team, working remotely with potential later hybrid opportunities in São Paulo after conversion. The program runs February to December 2027, offering exposure to building scalable software and financial tooling.

You will work with mentors to tackle real problems, applying CS fundamentals, backend languages, and data-driven approaches to improve Brex’s products and services. Strong English and collaborative mindset are essential.

Qualifications

• Graduating in 2027 with a BS in CS/CE/SE.
• Available Feb–Dec 2027 for the internship.
• Strong CS fundamentals and eagerness to learn.
• Excellent English communication and collaboration in a fast-paced environment.

Responsibilities

• Contribute to building products, services, and infrastructure with mentorship.
• Help shape long-term technical vision with a high-quality bar.
• Learn, measure, and iterate on Brex’s financial software initiatives.

Skills

CS fundamentals

Communication skills

Backend languages

English proficiency

Education

BS in CS/CE/SE

Tools

SQL/NoSQL

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.

What you’ll do

We’re looking for folks with an interest in building products, services, and infrastructure, comfortable in dealing with lots of moving pieces. In partnership with your mentor and team, you’ll be building solutions that will drive direct business impact and shape our long-term technical vision with a high-quality bar. You'll 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 prepare for the new markets we are about to enter.

Where you’ll work

This internship is remote . If you’re converted to full-time at the end of the program, the role becomes hybrid out of our São Paulo office — so please only apply if you’re based in SP or open to relocating if converted.

Requirements

• Graduating from a BA/BS program in 2027 - Computer Science or Computer Engineering or Software Engineering
• Availability to participate in the program from February to December 2027
• Strong knowledge of CS fundamentals
• Strong communication, interpersonal skills, and eagerness to learn from others
• Are excited about working in a high-paced environment with other high quality engineers
• Familiarity with software engineering development cycles
• Experience working with backend programming languages (i.e. Java, Kotlin, Python)
• Experience working with SQL or NoSQL databases
• Ability to hold yourself and the team to high standards
• Advanced English communication skills

Bonus points

• Experience collaborating with experts in product, design, and operations
• Familiarity with functional programming languages
• Strong writing skills
• Proactive approach
• Experience with corporate financial systems or concepts
• Experience with cloud computing systems & services

Location

- The internship is remote , but conversion to full-time is hybrid out of our São Paulo office . Please only apply if you are based in São Paulo (state) or willing to relocate upon conversion.

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.