Accounts Payable & Billing Specialist

TL;DR Fast-growing measurement company looking for a hands-on finance professional to support the day-to-day accounting operations of the business. This role offers the opportunity to work across multiple areas of the finance function while helping build scalable processes for a growing business. Who we areAdelaide is the leader in one of the fastest-growing areas of advertising: attention measurement and activation. Since 2020, we've become the trusted media quality measurement partner for 40% of Fortune 50 brands who rely on our award-winning AU metric to plan smarter campaigns, invest in high-quality inventory, and dive stronger business outcomes. Adweek has called Adelaide's AU "the attention economy's most widely recognized metric," and AdExchanger named it "Best measurement/Analytics Capability." Our business continues to scale rapidly, outperforming the industry with a 35% three-year CAGR. What began as a 9-person startup in 2019 is now a team of more than 75. The past year brought meaningful expansion. We launched the AU ecosystem, giving brands, media agencies, and publishers a unified way to leverage and transact on AU. We broadened our programmatic footprint with custom bidding in GoogleDV360 and pre-bid targeting in The Trade Desk, and grew our partner roster to over 125 platforms and publishers. Leading brands like Dell, Diageo, an Jaguar Land Roveralong with premium publishers such as Hearst, Spotify, and The New York Timescontinue to demonstrate AU's value across the media lifecycle. Adelaide is backed by prominent investors such as Human Ventures (Joe Marchese), Aperiam Ventures (Joe Zawadzki & Eric Franchi), WGI (Jonah Goodhart), and Irwin Gotlieb. We have a NYC office and a London WeWork, but operates as a remote-friendly company with flexible work options. How we work We're a team of action-oriented doersmanagement rolls up their sleeves and contributes every day. Our culture is rooted in curiosity and rigor: opinions are held lightly, debated openly, and strengthened through testing. Everyone is encouraged to play a role in shaping planning and strategy. We're built on belonging and growth94% of employees report a strong sense of belonging, and 81% say theyre happy at work. Position overviewThis position reports to the Accounting Operations Manager and is responsible for billing and invoicing, accounts receivable, accounts payable, revenue reconciliation, and month-end close support. While this role sits within the Finance team, its impact extends across the business. Accurate billing, collections, and financial records help ensure Adelaide operates efficiently and maintains accurate visibility into the health of the business. In this role, you'll help ensure invoices are issued accurately and on time, payments are collected efficiently, vendors are paid promptly, and financial records remain organized and reliable. As Adelaide continues to grow, this role will help ensure our financial operations remain scalable, accurate, and dependable. Were seeking a candidate with 4-5 years of experience in bookkeeping, accounting operations, or related finance functions who is comfortable working in a fast-paced environment. This is a fully remote role within the United States, with opportunities to connect with colleagues at our New York office. Youll need to be in NYC a few times per year. What you'll learnAn important part of our culture is continuous learning and the open sharing of ideas. We offer: Access to a broad network of investors and advisors who can help you and your team succeedMentorship from executives with decades of experience in adtech and mediaRegular internal knowledge-sharing sessionsAn education budget to support ongoing professional growth and developmentIn this role you'll learn: How billing, accounts receivable, accounts payable, and month-end accounting activities work together to support a growing businessHow to manage the full revenue cycle, from invoice generation and delivery through cash collection and reconciliationHow to identify opportunities to improve processes, increase efficiency, and strengthen financial controlsHow to partner effectively with Sales, Client Success, and Finance teams to resolve billing issues and support customer accountsHow a high-growth company builds scalable accounting processes and financial operationsCore responsibilities Accounts Receivable - Apply cash receipts daily and maintain accurate supporting documentation; proactively follow up on outstanding remittances to ensure timely cash application.Accounts Payable - Code all incoming invoices accurately and promptly, routing for internal approval as required. .