Brex Inc

Software Engineer II, Backend

Brex Inc$152K — $190K *
Finance & Insurance
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 2+ years of full-time software engineering experience with a focus on backend development.
  • 1+ year of experience in financial systems or fintech applications.
  • Strong ownership and curiosity for solving technical problems effectively.
  • Experience with building and scaling data-intensive or financial systems.
  • Proficiency in backend technologies like Kotlin, Java, or TypeScript.
  • Ability to architect and test full-stack applications end-to-end.
  • Comfort with databases, event streaming, and distributed systems.

Responsibilities

  • Build and maintain critical financial infrastructure including bank connection integrations and real-time data pipelines.
  • Develop and optimize an underwriting engine for credit decisions with strict latency requirements.
  • Implement customer-facing features for credit limit management using React and TypeScript.
  • Collaborate with various teams to translate business requirements into scalable solutions.
  • Design internal tooling for Operations to manage credit risk effectively.
  • Own complete problems from user experience to ongoing observability.
  • Integrate ML models into real-time decisioning flows.
  • Participate in on-call rotation to ensure high operational standards.

Benefits

  • Hybrid working environment with a minimum of 3 office days per week.
  • Up to four weeks of fully remote work per year.
Full Job Description
What you'll do

As a Software Engineer on the Credit Limit Engineering team, you will build the critical systems that power Brex's credit decisioning and risk management. You'll work across the entire stack to create solutions that responsibly extend credit to businesses while managing billions of dollars in credit exposure.

Our team owns the complete credit experience, including the underwriting engine that evaluates applications and sets limits, financial connectivity systems that integrate with banks to pull real-time data, ML-powered credit models that assess risk, customer-facing tools for managing credit limits, and internal platforms that enable our teams to manage risk at scale.

You'll be working on high-impact, technically challenging problems: building real-time data pipelines that process millions of financial transactions, serving ML models with strict latency requirements, designing event-driven architectures for credit decisioning, and creating intuitive customer experiences for complex financial workflows.

Where you'll work

This role will be based in our Seattle 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 3 days per week in the office - Monday, Wednesday and Thursday. As a perk, we also have up to four weeks per year of fully remote work.

Responsibilities
  • 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 written and verbal English communication and interpersonal abilities.
Compensation

The expected salary range for this role is $152,000 - $190,000. However, the starting base pay will depend on a number of factors, including the candidate's location, skills, experience, market demands, and internal pay parity. Depending on the position offered, equity and other forms of compensation may be provided as part of a total compensation package.

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.

About Brex Inc

Brex is a financial services company that offers credit cards and cash management accounts to technology companies. Brex was founded in 2017 by Henrique Dubugras and Pedro Franceschi. The company is headquartered in San Francisco, California. Brex offers a credit card designed specifically for startups, which does not require a personal guarantee or deposit. The company also offers a cash management account that allows businesses to manage their finances in one place. Brex has raised over $300 million in funding from investors including Y Combinator, Peter Thiel, and Max Levchin.
Learn more about Brex Inc
Size
500 employees
Industry
Founded
2017

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