Senior Manager, Accounts Payable

Apex Fintech Solutions (Apex) powers innovation and the future of digital wealth management by building tech-forward solutions that help simplify, automate, and facilitate access to financial markets for all. Our robust suite of fintech software enables us to support clients such as Stash, Betterment, SoFi, Webull, and eToro, amongst many others; collectively, Apex powers access to the stock market for over 22+ million end customers.

At Apex, we are changing how the securities industry operates by reinventing the status quo, which was manual, slow, and accessible only by the ultra-wealthy. We're digitizing and democratizing systems so that everyone has an opportunity to invest.

When you're at Apex, you drive this change. You're part of a global team with a clear vision: to be the trusted technology that powers the digital economy. Our offices in Austin, Dallas, Chicago, New York, Portland, Belfast, and Manila are home to over 1,000 employees.

Together, we're shaping the future of financial innovation. Embrace change. Solve big. Win together. And be G.R.E.A.T.

- grit, results, empathy, accountability, and teamwork - with Apex.

We're proud to be recognized for the innovative work we do, the purpose-driven nature of our work, and the collaborative culture we've created. Here are just a few of the many awards we've recently received:

Best Places to Work

2026, 2025, 2024, 2023 - Presented by Built In

Wealth Tech of the Year

2025 - Presented by US Fin Tech Awards

The World's Top 250 Fintech Companies

2024 - Presented by CNBC

The Senior Manager, Accounts Payables , is responsible for overseeing the strategic direction, management, and execution of the accounts payable (AP) function for the organization. This role plays a critical leadership position in managing high-volume and complex AP operations while maintaining strong internal controls, regulatory compliance, and vendor relationships. The Senior Manager will lead process improvement initiatives, implement cutting-edge technologies, and manage a team of AP professionals to ensure timely and accurate payment processing.

As a key contributor to the finance team, the Senior Manager provides data-driven insights and collaborates with cross-functional teams to support the organization's financial goals.

• Leadership and Strategy:
  Lead and manage the accounts payable team, including hiring, training, performance evaluations, and career development. Define and implement the strategic vision for the accounts payable function, aligning it with the organization's overall financial goals. Establish organizational policies and procedures for accounts payable, ensuring consistent application across all processes. Build a high-performing team culture focused on collaboration, accountability, efficiency, and continuous improvement.
• Accounts Payable Operations Oversight:
  Supervise and ensure the accurate and timely processing of invoices, credit memos, payments, and expense reimbursements. Develop and enforce best practices for invoice matching (three-way matching: purchase order, goods receipt, and invoice). Oversee payment processing for multiple payment types (e.g., ACH, wire, checks, virtual credit cards) while managing associated workflow and risks. Manage accounts payable aging reports, ensuring that vendor payments are made on time and in accordance with payment terms.
  
  Ensure the smooth execution of high-volume, global AP processes across entities or subsidiaries, including handling international payments and currency exchanges.
• Vendor and Stakeholder Management:
  Serve as the senior point of contact for escalated vendor inquiries, disputes, or requests, fostering strong relationships and partnerships. Negotiate vendor payment terms and agreements and ensure prompt issue resolution. Work closely with Procurement and Supply Chain teams to align accounts payable processes with vendor contracts and policies.
• Process Optimization and Technology Implementation:
  Identify, design, and implement process improvements to reduce costs, eliminate inefficiencies, and enhance the accounts payable cycle. Lead the implementation of accounts payable automation tools, leveraging technology to reduce manual processing efforts. Collaborate with IT and technology teams to implement or upgrade ERP systems and integrate AP tools for seamless functionality. Drive the adoption of best-in-class workflows, automation, and emerging technologies like AI or robotic process…