AR Specialist

fal is the generative media ecosystem powering the next generation of AI products. We build the infrastructure, tools, and model access that teams need to move from idea to production, and do it at scale without compromise. For developers and enterprises, fal is the foundation that makes generative media not just possible, but practical: a unified platform where high-performance inference, orchestration, and observability come together to unlock new categories of AI-native products. As generative media reshapes industries across a market projected to grow by hundreds of billions over the next decade, fal is becoming the ecosystem that ambitious teams build on. About Us We’re looking for a detail-oriented and proactive AR Specialist to own collections processes, improve cash flow operations, and partner cross-functionally with Finance, Sales, Operations and Customer Success teams. This role is ideal for someone who thrives in startup environments, and enjoys solving operational challenges. Responsibilities Accounts Receivable Management Manage the end-to-end accounts receivable process, including invoicing, payment tracking, and account reconciliation Monitor aging reports and proactively follow up on outstanding invoices Maintain accurate customer account records and resolve billing discrepancies in a timely manner Support month-end close activities related to AR and cash application Collections & Cash Flow Operations Execute collection strategies to reduce DSO and improve cash collections Build strong relationships with customer AP teams to resolve payment delays professionally and efficiently Escalate high-risk or delinquent accounts appropriately while maintaining positive customer relationships Analyze customer payment trends and identify collection risks early Systems & Process Improvement Utilize collection tools to manage collection workflows, automate outreach, and track collection performance metrics Collaborate with Finance leadership to optimize AR processes, reporting, and controls Partner with Sales to ensure billing accuracy and smooth customer onboarding Help implement scalable systems and best practices suitable for a high-growth startup environment Reporting & Analytics Prepare weekly AR aging and collections reports for leadership Track KPIs, including DSO, collection effectiveness, and overdue balances Support audit requests and maintain documentation for compliance purposes Qualifications Required 3+ years of experience in Accounts Receivable, Billing, or Collections Experience in a SaaS, technology, or startup environment preferred Strong understanding of AR processes, collections strategies, and cash application workflows Experience with ERP/accounting systems Excellent communication and negotiation skills and comfortable calling customers on the phone Strong organizational skills with high attention to detail Ability to prioritize and manage multiple deadlines in a fast-paced environment Preferred Hands-on experience with Tesorio or similar AR automation/collections platforms Experience supporting enterprise or B2B customers Familiarity with SaaS billing models, contracts, and revenue operations Use AI tool to perform analysis and summary Experience working cross-functionally with Sales and Operations Why Join Us? Opportunity to shape the accounting foundation of a high-growth AI startup. Work with a collaborative, mission-driven team. Competitive compensation, equity, and benefits. High autonomy and real ownership over core financial operations. Compensation $100,000 - $140,000 + equity + comprehensive benefits package Location We are currently hiring in downtown San Francisco.