Senior Software Engineer, Payments

New York, United StatesOn-site

Requirements

ABOUT WARP Warp is the AI-native Employee Management Platform for ambitious companies.
Our platform includes HRIS, payroll, IT, benefits, tax compliance, and more - all built from scratch on an AI-native architecture from day 1.
Warp is built from day one for AI to be the primary operator, not a feature.
Every advance in LLM capability widens our lead.
Very few engineers get to work on problems like this, at this scale, this early.
experience in payments, fintech, or financial infrastructure - Care intensely about correctness, auditability, and reliability - Have owned payments or fintech infrastructure at a high-growth startup - Understand the unique challenges of financial systems: idempotency, reconciliation, compliance - Love hard infrastructure problems with direct business impact WHAT YOU NEED - 5+ years of software engineering
Experience building highly reliable, fault-tolerant distributed systems - Strong expertise in strongly typed languages - Deep understanding of financial systems and their unique constraints - Willingness to work from our NYC office five days a week

experience - 2+ years working on payments, fintech, or core financial infrastructure -

Warp embeds itself into every part of a company's people operating layer, we process over half a billion $ annually in payroll, on track to grow to $2B.
BENEFITS AT WARP: - 100% Health Coverage: Comprehensive medical, dental, and vision plans for you and your dependents. - 401(k) Matching: Start investing in your future from day one. - Unlimited PTO: We offer flexible PTO, meaning you’re trusted to take the time you need to recharge while balancing your
Benefits: Pre-tax commuter

Legacy vendors in our space built their businesses by profiting from complexity.
We hire people who ship constantly, own outcomes, and care about craft.
We're in the office five days a week because speed and proximity are a competitive advantage at this stage.
If you want to build something that automates an entire category of core work, not just another point solution, this is the place.
We've raised over $85M from top investors like Ashton Kutcher/Sound Ventures, Y Combinator, founders of Dropbox, Replit, SV Angel, and Homebrew Capital.
Built by an obsessive team from MIT, Ramp, Brex, Google, Dropbox, Apple, and more.
ABOUT THE ROLE As a Senior Software Engineer focused on Payments at Warp, you'll build and own the financial infrastructure that powers Warp.
Core ledgering, US and global payment rails, payroll engine, earnings calculations, tax engines, and the compliance layer around all of it.
This is deeply technical work with real financial stakes.
You'll work directly with the CTO and have outsized influence over how we architect one of the most critical systems in the company.