Software Engineer II, Backend

Responsibilities

• Where you'll work
• Build and maintain critical financial infrastructure, including bank connection integrations (Plaid, Finicity, Teller), financial statement processing systems, and real-time transaction data pipelines.
• Develop and optimize the underwriting engine that powers credit decisions for thousands of businesses, ensuring sub-second latency and high reliability.
• Implement customer-facing features for credit limit management, bank connections, and financial data collection in our React/TypeScript dashboard.
• Collaborate with Credit Risk, Capital Markets, and Product teams to translate business requirements into scalable technical solutions.
• Design and build internal tooling for Operations and Portfolio Management teams to manage credit risk and handle edge cases.
• Own problems end-to-end, from user experience and API design to data models, scalability, and ongoing observability.
• Work with ML models in production, integrating credit risk models (PD models, affordability frameworks) into real-time decisioning flows.
• Participate in on-call rotation and maintain high operational standards for mission-critical systems.

Requirements

• 2+ years of full-time software engineering experience with a focus on backend development.
• 1+ year of experience in financial systems, payments, underwriting, or a fintech application or experience in building systems for other regulated industries (e.g. healthcare, legal)
• Strong curiosity for digging deep into the technical problems, and strong ownership capable of delivering high quality solutions
• Experience building and scaling production systems, preferably in data-intensive or financial domains.
• Proficiency in backend technologies (e.g., Kotlin, Java, Typescript) and comfort with our stack (Kotlin and Micronaut).
• Experience architecting, developing, and testing full-stack applications end-to-end.
• Comfort working with databases (e.g., PostgreSQL), event streaming (e.g., Kafka), and distributed systems.
• A high bar for engineering standards: code quality, testing, observability, and operational excellence.
• Strong wri

Benefits

Additional Information

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.

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