Staff Frontend Software Engineer - Payments and Checkout

Breeze Cash is hiring a Staff Frontend Software Engineer - Payments and Checkout in Engineering — New York City. The overview below is synthesized from the employer posting on job-boards.greenhouse.io: factual requirements and scope are preserved, but prose is rewritten with editorial context. Verify details and apply via the employer link.

At Breeze, we're building the AI-powered infrastructure layer for global commerce, making it radically simpler for businesses to sell, get paid, and operate across markets.

We go far beyond traditional payment processing. Breeze combines global payments, AI, stablecoins, and a Merchant of Record-like model to take on the complexity businesses typically manage themselves, including compliance, risk, fraud, chargebacks, reconciliation, and customer support.

Our goal is simple: let businesses focus on building and selling great products while Breeze handles the complexity behind getting paid.

Backed by Sequoia Capital, Multicoin Capital, and The Chainsmokers, Breeze is a successful, rapidly growing, and exceptionally well-capitalized company. We have the runway to think long term while remaining early enough that every person joining today can have a meaningful impact on what we build.

Staff Frontend Engineer (Payments & Checkout)

Are you passionate about solving complex challenges in the fintech space? We’re looking for a Staff Frontend Engineer (Payments & Checkout) to join our dynamic startup, backed by Sequoia Capital.

In this role, you’ll own and evolve our checkout and payment experience - the most critical surface of our product. You’ll work closely with product, design, growth, and backend teams to build fast, seamless, and high-converting payment flows.

What You’ll Do

Day-to-day scope for the Staff Frontend Software Engineer - Payments and Checkout as described in the posting:

• Checkout ownership - Own the end-to-end frontend architecture for our checkout and payment flows across web platforms
• Conversion optimization - Improve checkout conversion rates through UX improvements, performance tuning, and data-driven experimentation
• Experimentation - Partner with product and growth to run A/B tests, analyze funnel performance, and ship iterative improvements quickly
• Payment UX - Build seamless flows for complex payment states including retries, failures, and authentication (3DS, etc.)
• Performance - Optimize frontend performance (Core Web Vitals, latency, rendering) to ensure fast and reliable checkout experiences
• Integration - Collaborate with backend and payments teams to integrate APIs, PSPs, and orchestration layers
• Resilience - Build robust UI systems that gracefully handle edge cases and ensure high reliability during transactions
• Frontend standards - Define and drive best practices for frontend architecture, scalability, and maintainability
• Mentorship - Act as a technical leader and mentor, raising the bar across the frontend team

-

Culture carrier

How the team describes its culture:

• Bring strong product thinking and a conversion-focused mindset into engineering decisions

What We’re Looking For

• 7+ years of frontend engineering experience, ideally in fast-paced or startup environments
• Deep hands-on experience building and optimizing checkout or payment flows (must-have)
• Strong proficiency in modern frontend frameworks (React, Next.js, etc.)
• Experience improving conversion rates through experimentation, analytics, and UX iteration
• Strong understanding of frontend performance optimization and rendering strategies
• Familiarity with payments infrastructure (Stripe, Adyen, Braintree, tokenization, 3DS, etc.)
• Strong product intuition and ability to translate data into user experience improvements
• Excellent collaboration and communication skills across product, design, and growth teams
• Experience with global payments, multi-currency flows, or crypto is a bonus

Our Culture

How the team describes its culture:

• Fast-paced and dynamic – We’re a growing startup that moves quickly
• Tech-driven – We leverage technology to address our users’ biggest challenges
• Ownership and communication – We value people who take full ownership and communicate well across teams
• Continuous learning – You’ll work alongside industry experts and deepen your expertise in payments and high-performance frontend systems

Why Join Us

What the posting highlights about the offer:

• Competitive salary + equity plan
• 21 days PTO
• Benefits: annual medical allowance, productivity budget, gym membership & wellness subsidy
• Annual team retreat trip
• Be part of a team backed by Sequoia Capital with a healthy runway

Requirements

Experience and skills the team lists as required:

• 7+ years of experience in frontend engineering, with a focus on high-impact user-facing systems
• Proficient in modern frontend frameworks and performance optimization techniques
• Experience with experimentation, analytics, and conversion-focused development
• Strong understanding of building reliable, scalable UI systems
• Bachelor's degree or equivalent practical experience
• We are unable to sponsor visas at this time.
• Preferred: Ability to work hybrid in NYC; open to remote candidates for the right individual

Apply now and help us build the future of payments at a global scale!

Apply now and help us build the future of payments at a global scale!