Accounting Operations and Payroll Manager

About the role

The Accounting team at Decagon is at the center of our growth, building the financial foundation that powers a rapidly scaling startup. We ensure accurate, timely financial reporting in accordance with U.S. GAAP while designing scalable processes and strong controls that support expansion across teams and geographies. Partnering closely with Sales, People, Legal, and Operations, we drive thoughtful spend management, contract oversight, and payroll excellence-balancing precision with agility in a fast-moving environment where our work directly enables the company's next stage of growth. We're looking for a high-impact Finance Operations & Payroll Manager to build the finance engine that keeps our company scaling. You'll own payroll, expenses, AP, and AR, transforming these core operations into smooth, scalable systems that support a fast-moving, high-growth team. This is a high-impact individual contributor role responsible for ensuring accurate, compliant, and timely payroll while helping build the processes and controls needed to support a rapidly scaling organization. In this role, you will Own end-to-end global payroll processing for accuracy and compliance, including management of new hires, terminations, bonuses, and other variable compensation Perform payroll reconciliations, reporting, and audit support while maintaining strong process documentation and internal controls Administer end-to-end business travel and expense operations including corporate card management, expense report review, policy enforcement, and travel vendor relationships ensuring compliance, accurate GL coding, timely reimbursement, and monthly T&E reporting and variance analysis Oversee accounts payable and accounts receivable, ensuring timely processing, accurate coding, and proper approvals while proactively managing vendor payments, cash application, and aging reports Lead month-end close activities across payroll, AP, and AR, including accruals and reconciliations Partner cross-functionally with People and Finance to support headcount growth and identify opportunities to improve automation and system efficiency across all owned functions Your background looks something like this 6-8 years of progressive payroll experience, with full ownership of U.S. payroll Strong experience managing multi-state U.S. payroll in a high-growth or dynamic environment Deep knowledge of payroll compliance, tax regulations, and reporting requirements. Experience working closely with HR / People and Finance teams Strong attention to detail and the ability to independently reconcile and resolve discrepancies A proactive, ownership-driven mindset with comfort operating in a fast-moving startup environment Even better if you have Have worked in a hyper growth company Some exposure to or familiarity with accounts payable, accounts receivable, and/or business travel and expense operations