Senior Platform Engineer (Infra)

About OnePay OnePay is the consumer fintech trusted by millions of Americans to make money better. Our financial system is broken. High fees, low rates, and too few ways to actually grow your money. We’re fixing it. And we’re moving fast. We’re an all-in-one financial services platform that brings together banking, high-yield savings, credit cards, point-of-sale lending, investing, and crypto in one place. We also partner with employers, HCM providers, gig platforms, and others to deliver embedded financial services to millions of employees and frontline workers. We’re backed by Walmart, the world’s largest retailer, and Ribbit Capital, one of fintech’s most respected investors, giving us rare scale, distribution, and the opportunity to build something truly category-defining. But what really sets OnePay apart is how we move. Our customers don’t have time to wait… and neither do we. This place moves fast, and we’re looking for people who are: Ready to run Hungry and driven by urgency Exceptional at what they do, with low ego Comfortable operating in motion The role Software Engineers at One build the products & systems that serve our customers and run our company. Besides writing, reviewing, and shipping code, engineers collaborate with others across the company, from product, design, and data to, customer support, ops, and compliance. Software Engineers at One are highly technical, communicative, and emotionally intelligent. This role is responsible for: Working closely with other engineers to ship code. We enjoy collaboration and partnering on hard problems. Building and maintaining documentation. As a growing and remote organization, having the necessary docs are key to our success. Solving complex problems that arise at scale. We deal with real-world money movement, sensitive financial data at scale, and are creating novel financial mechanics with no real precedent. You bring 5+ years of experience building, shipping — and growing — non-trivial products & servic