Staff Frontend Software Engineer - Payments and Checkout

The role

You will own the end-to-end frontend architecture for checkout and payment flows across web platforms. You will lead frontend architecture, optimize conversion rates, and mentor engineers.

What you will do

• Own the end-to-end frontend architecture for checkout and payment flows across web platforms
• Improve checkout conversion rates through UX improvements, performance tuning, and data-driven experimentation
• Partner with product and growth to run A/B tests and analyze funnel performance
• Build seamless flows for complex payment states including retries, failures, and authentication
• Optimize frontend performance including Core Web Vitals, latency, and rendering
• Collaborate with backend and payments teams to integrate APIs, PSPs, and orchestration layers
• Build robust UI systems that handle edge cases and ensure high reliability
• Define and drive best practices for frontend architecture, scalability, and maintainability
• Act as a technical leader and mentor
• Bring product thinking and a conversion-focused mindset into engineering decisions

Required qualifications

• Bachelor’s degree or equivalent practical experience
• 7+ years of frontend engineering experience building high-impact, user-facing products
• Deep hands-on experience building and optimizing checkout or payment flows
• Strong proficiency with modern frontend frameworks such as React and Next.js
• Strong understanding of performance optimization and scalable UI architecture
• Experience using experimentation, analytics, and UX iteration to improve conversion and customer experience
• Strong product intuition to turn data and customer behavior into product improvements
• Familiarity with payments infrastructure such as Stripe, Adyen, Braintree, tokenization, 3DS, or similar technologies
• Strong collaborator and communicator

Nice to have

• Experience with global payments, multi-currency flows, or crypto

Benefits

• Health coverage: 100% of employee premiums on base plan and 75% of dependent premiums
• 21 days PTO plus applicable company holidays
• 401(k) with all plan administration fees covered
• Meaningful equity
• New MacBook Air and necessary equipment
• Annual budget for workspace, tools, and professional development
• Monthly wellness reimbursement
• Annual global offsite

About the company

Breeze is building the AI-powered infrastructure layer for global commerce. The company is backed by Sequoia Capital, Multicoin Capital, and The Chainsmokers.