Staff Software Engineer: Lead Cross-Team AI Systems

Brex; San Francisco (CA); Hybrid; USD 240,000 - 285,000; Full time

Benefits offered by this job

Hybrid work environment

Up to 4 weeks remote per year

Job summary

Brex is seeking a Staff Engineer for the Travel Expense domain in a hybrid San Francisco office. The role focuses on identifying cross-team problems, driving high-impact solutions, and setting technical direction without direct reports.

You will mentor engineers, collaborate with peers, and influence the org’s technical strategy. You will work across expenses, travel, policy, and spend controls, shaping architecture and system design while maintaining high standards for reliability and

Qualifications

• 8+ years of software engineering experience with leadership across multiple teams
• Deep experience designing and operating large-scale backend systems
• Proven ability to drive ambiguous cross-cutting problems to resolution
• Excellent written and verbal communication
• Strong collaboration with ICs and managers

Responsibilities

• Identify and drive highest-impact technical problems across Travel Expense
• Set and raise technical bar through design reviews and architecture decisions
• Partner with Staff Engineers and EMs to align direction and unblock execution
• Mentor senior engineers and raise the bar for how teams design and ship
• Bring an AI-forward mindset to how the org builds, reviews, and operates
• Contribute directly to the group's technical strategy and investments

Skills

Staff engineering leadership

Backend systems design

Cross-team collaboration

Technical excellence

Strong communication

Job description

Brex is seeking a Staff Engineer for the Travel Expense domain in a hybrid San Francisco office. The role focuses on identifying cross-team problems, driving high-impact solutions, and setting technical direction without direct reports.

You will mentor engineers, collaborate with peers, and influence the org’s technical strategy. You will work across expenses, travel, policy, and spend controls, shaping architecture and system design while maintaining high standards for reliability and