Staff Full Stack Engineer, Lending

Job not on LinkedIn

🕒 September 13, 2025

🇺🇸 United States – Remote

💵 $180k - $260k / year

⏰ Full Time

🔴 Lead

🧑‍💻 Full-stack Engineer

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OnePay

WebsiteLinkedInAll Job Openings

501 - 1000 employees

💳 Fintech

🏦 Banking

₿ Crypto

💰 $300M Series unknown on 2025-01

Fintech • Banking • Crypto

OnePay is a U. S. -based financial technology company that provides consumer-facing banking and payment products through partner banks. The app offers checking/savings with early pay and high-yield savings, a credit-builder program and secured Builder Mastercard, a CashRewards card with Walmart-focused cashback, investing and cryptocurrency trading, a digital wallet, pay-later options, and free tax filing for customers. OnePay partners with Coastal Community Bank, Lead Bank, Synchrony, and other providers for banking, card issuance, lending, and custody services; it is not itself a bank.

📋 Description

• Lead the design and delivery of high-impact, technically complex projects that power the lending platform at scale • Provide technical leadership and clear, impactful communication to cross-functional stakeholders • Drive hyper-optimization of lending systems to meet the needs of a large and growing addressable market • Collaborate closely with product, design, and operations partners to build seamless, trustworthy lending experiences • Mentor engineers across the team, fostering best practices in architecture, code quality, and scalability

🎯 Requirements

• Deep expertise in building and scaling distributed systems, high-throughput APIs, and data-intensive services • Strong full-stack skills, with fluency in backend architecture and modern frontend frameworks • Experience designing systems with reliability, security, and performance in mind — ideally in payments, lending, or other regulated consumer finance domains • Exceptional technical leadership and communication skills with a track record of influencing architecture and product direction • Experience mentoring engineers and fostering best practices in architecture, code quality, and scalability • Drive and proactivity; builder and executor • Authorization to work lawfully in the United States (applicant asked if authorized) • LinkedIn profile (required in application form)

🏖️ Benefits

• Competitive base salary • Stock options • Health benefits from Day 1 • 401(k) plan with company match • Remote-friendly (US) • Flexible time off (FTO) • Opportunities for growth • A high-growth, mission-driven, inclusive culture where your work has real impact