Billing & Collections Specialist

At Optimove, we believe people are capable of more than a single job description. You’re not hired just to fill a position- you’re empowered to shape it, grow it, and make it your own. We call this being Positionless. And Positionless isn’t just our culture. It’s our product. Optimove is the creator of Positionless Marketing, an AI-powered platform that gives every marketer the power to analyze, create, launch, and optimize independently. The result is faster execution, deeper personalization, and 88% greater campaign efficiency. Recognized as a Visionary in Gartner’s Magic Quadrant, we partner with leading brands like Sephora, Staples, and Entain. Today, more than 550 Optimovers across NYC, London, Tel Aviv, Scotland, Brazil, Estonia, and beyond are building the future of marketing together, in an environment that actively encourages ownership and growth, with two out of every three managers promoted from within. If you’re looking for a place where you can do more, be more, come grow with us. We are looking for a detail-oriented and proactive Billing & Collections Specialist to join our Finance team. The Billing & Collections Specialist will be responsible for managing the entire sales financial lifecycle - from Deals approvals, invoice generation, and cash collection. This role is instrumental in maintaining financial accuracy and improving cash flow. The ideal candidate is analytical, tech-savvy, and thrives in a fast-paced, international environment. Responsibilities : Manage the entire billing and invoicing process across global entities. Ensure accurate and timely billing process through ERP and other billing platforms. Monitor accounts receivable aging and lead collection efforts. Maintain data accuracy in ERP system (Netsuite), internal billing system, and other financial systems. Liaise with Sales, Legal, and Finance to support deal execution and cash collection. Support AR-related reporting, audits, and internal controls. Requirements : 2+ years of experience in AR, billing, or finance operations, preferably in a global/hi-tech SaaS environment. Proficiency in ERP systems (NetSuite preferred) and billing platforms. Excellent Excel and data management skills. Strong organizational skills and attention to details. Excellent communication skills in English (written and spoken). Ability to work independently and manage multiple priorities. Team player with a proactive, problem-solving mindset. Availability for a full-time position (hybrid model). Location: Ability to work in a hybrid model 2+ days per week from our office in London. Right to Work: Must have the right to work in the UK (we are unable to provide sponsorship at this time). Optimove offers a vibrant, people-first culture where innovation, ownership, and continuous learning shape everything we do. Our UK team enjoys a modern office with a hybrid work model, daily lunch budget when onsite, and a fully stocked kitchen, along with a wide range of social events throughout the year. We’re committed to helping our people grow in an inclusive, supportive workplace recognised as one of the UK’s Best Workplaces in Tech and for Wellbeing.