Brex
Senior Software Engineer, Back End
$192K–$240K
San Francisco, California, United States +4 · Senior · Full-time · Posted Mar 24, 2026
- Location
- San Francisco, California, United States
New York, New York, United States
São Paulo, São Paulo, Brazil
Seattle, Washington, United States
Vancouver, British Columbia, Canada - Experience
- 7+ years of professional experience designing, developing, and deploying full-stack products.
About the job
Build and scale backend platform systems for notifications, collaboration, workflows, and task orchestration, while contributing to AI-enabled product experiences and shared AI infrastructure.
What you'll do
- Build features and products end-to-end, owning user experience, data models, scalability, operability, and metrics.
- Lead roadmap direction, architecture, and mentorship; improve system reliability and performance.
- Collaborate with engineers and customer-facing teams to understand needs and deliver polished platform experiences.
What they ask for
- Strong proficiency in backend programming languages such as Java, Kotlin, or Python.
- Experience architecting, building, and maintaining scalable, high-availability distributed systems.
- Experience designing and optimizing SQL and/or NoSQL databases, including data modeling, query performance, and schema design.
- Experience building RESTful APIs and/or GraphQL services, and with modern frontend technologies such as ES6+, React, TypeScript, and Webpack.
Nice to have
- Experience running in-product experiments or A/B testing.
- Experience and interest in leveraging AI developer tools.
Pay
$192,000 - $240,000 USD base salary
Tools
Java, Kotlin, Python, SQL, NoSQL, RESTful APIs, GraphQL, React
AI focus
Help streamline user workflows with AI and build shared infrastructure for AI product development.
Model-written summary · the original posting is authoritative