Accounts Receivable - Senior Accountant (m/f/d)

IronMaxx is a fast-growing European sports nutrition brand, developing and distributing innovative products across e-commerce, retail, marketplaces, and international markets.

As our business continues to expand, we are strengthening our Finance & Accounting team and looking for a reliable, detail-oriented Accounts Receivable Specialist to support our daily financial operations remotely.

Your Responsibilities

Accounts Receivable & Payment Management

• Manage day-to-day accounts receivable activities, ensuring accurate and timely processing of customer payments.
• Monitor outstanding receivables, track overdue invoices, and follow up on payment discrepancies.
• Reconcile incoming payments with open customer invoices and accounts.
• Maintain accurate customer account balances and resolve inconsistencies.

Collections & Claims Management

• Support the dunning and collections process, including payment reminders and overdue account follow-ups.
• Investigate payment differences, deductions, credit notes, and disputed invoices.
• Coordinate with Sales, Customer Service, and Finance to resolve outstanding claims.
• Maintain transparent documentation of open receivables and their resolution status.

Accounting & Reporting

• Record and reconcile accounts receivable transactions in our ERP system (SAP Business One).
• Assist with month-end closing activities and accounts receivable reconciliations.
• Prepare aging reports, outstanding balance overviews, and other financial analyses.
• Identify opportunities to improve accuracy, efficiency, and automation within AR processes.

Your Profile

• Completed education or degree in Accounting, Finance, Business Administration, or a related field.
• At least 2–3 years of professional experience in Accounts Receivable, Finance Operations, or General Accounting.
• Strong understanding of invoice processing, payment reconciliation, collections, and customer account management.
• Experience working with ERP/accounting systems; SAP Business One is a strong advantage.
• Excellent Excel skills and confidence working with large datasets.
• Strong attention to detail, organizational skills, and ability to meet deadlines.
• Proactive approach to identifying and resolving financial discrepancies.
• Comfortable working independently and communicating effectively in a remote environment.
• Good English communication skills; German is a strong advantage, particularly for DACH customer correspondence.

What We Offer

• Remote working arrangement with an international, collaborative team.
• Opportunity to contribute to a growing European consumer brand.
• Exposure to multiple sales channels, including B2B, retail, e-commerce, and marketplaces.
• A dynamic environment with ownership of operational accounting activities.
• Opportunities to improve processes, implement automation, and grow professionally.
• Structured onboarding and close collaboration with our Finance team in Germany.

What Success Looks Like

Within your first 90 days, you will:

• Take ownership of assigned customer accounts and daily AR activities.
• Ensure consistent monitoring and accurate reconciliation of incoming payments.
• Establish clear visibility of overdue balances and unresolved payment discrepancies.
• Support timely month-end closing and reliable AR reporting.
• Identify at least one opportunity to improve an existing accounts receivable process.

Ready to #BEcomeMAXX?
Join IronMaxx and help us build scalable, reliable financial processes that support our international growth.