Founding Engineer (Onsite) at Thera (S22) $100K - $200K • 0.30% - 1.00% AI-Native Finance OS New York, NY, US Full-time US citizen/visa only Any (new grads ok) About Thera Thera is building HR for the future of work. Traditional providers are failing to meet the compliance, global, and benefits needs of tomorrow’s best companies, which will be global and remote from Day 1. We make it simple and satisfying to set up your company and employees for success, including for busy founders and leaders without HR experience. Our founding team consists of ex-Palantir and ex-Amazon engineers. About the role About Thera Thera is building the financial OS for modern SMBs — payroll, payments, treasury, spend, accounting, all in one ecosystem. We're backed by the worlds leading investors including Y Combinator, 10X Founders, Zillionize, Amino Capital, etc. As a Founding Engineer , you’ll help architect, build, and scale the core systems that power our infrastructure. You’ll work directly with the CEO, ship fast, own large pieces of the product, and shape the engineering culture from day one. What You’ll Build New products across our ecosystem About You 3–7+ years building and shipping production systems You thrive in ambiguity, move extremely fast, and care deeply about craft Comfortable owning 0→1 features end-to-end Bias toward action, simple solutions, and high standards Preferred experience with Typescript + Java/Kotlin Why Thera This is a true founding role: huge ownership, meaningful equity, direct impact on product and culture, and a chance to build one of the most important fintech platforms of the next decade. You can read more about our cultural principles here: https://www.getthera.com/principles Technology BE: Java SpringBoot DynamoDB Microservice architecture FE: Typescript React NextJS Tailwind CSS