Billing Specialist (m/f/d)

• Be the first point of contact for customers on invoices, credit notes and subscriptions, 

• Manage the accuracy of the B2B SaaS subscription lifecycle in Netsuite (new contracts, renewals, upgrades, downgrades, amendments, cancellations, contract owner changes) and make sure each change is billed correctly and on time

• Keep subscriptions accurate and current in Netsuite working closely with Customer Support and Revenue Operations

• Own accurate, on-time billing in NetSuite, from invoice runs and credit memos to revenue and billing schedule corrections

• Track down and resolve billing discrepancies by working directly with Billing, Collections, and Sales. You chase an answer down instead of waiting for it

• Keep every interaction and resolution documented in our CRM/ticketing tools, so the next person picking up a case has the full story

• Help us get better by bringing your ideas on how to tighten up subscription management, billing, and support processes

• Extensive, hands-on knowledge of NetSuite, including subscription and recurring billing, invoicing, credit memos, and customer records, and the confidence to troubleshoot issues independently

• Solid B2B SaaS experience with a strong grasp of subscription management: contract terms, renewals, amendments, proration, and the link between CRM subscription data and billing

• Very good written and spoken English, German is a plus.

• Comfortable using AI tools and cloud-based workflows to make your own work sharper and faster

• A structured, analytical mind and a preference for working closely with a team

• Reliable and detail-oriented, with a real appetite for the complex cases everyone else avoids

Nice to have

• Experience with Zone Billing (or a comparable NetSuite billing extension)

• Experience with Salesforce subscription or CPQ data

• We offer a salary range of PLN 19,000 – PLN 22,000 gross per month (UoP).

• Final compensation will be based on experience, skills, and overall fit for the role

• Benefits package – private medical care and a sports card to support your health and well-being

• Access to Udemy Business – boost your skills with thousands of high-quality online courses

• Flexible work model – work fully remotely or combine it with on-site collaboration at our modern office in Warsaw

• Flexible Working Hours – adjust your schedule to fit your lifestyle

• Unique experience in the Fitness and SaaS industry – join a market-leading company in a dynamic, fast-growing industry

• International team – work alongside talented colleagues from around the world in a diverse and inclusive environment

• Unforgettable company events – take part in engaging team-building activities and memorable celebrations