Billing Specialist (m/f/d)

Checkmk; München; Hybrid; EUR 60,000 - 90,000; Full time

Benefits offered by this job

Hybrid work model

Office in Munich

Salary with attractive package

Wellness and sports offers

Education and training opportunities

Job summary

Checkmk is seeking an invoicing specialist to manage end-to-end invoicing for all business lines in Germany and the US. The role focuses on accuracy of orders, VAT handling, and portal-based invoicing (XRechnung, ZUGFeRD, Ariba).

You will collaborate with Renewals, Sales, and Accounting to ensure timely cash flow and accurate month-end closing, while improving invoicing processes within a growing software company.

Qualifications

• Several years of hands-on experience in B2B invoicing.
• Experience with e-invoicing and customer purchasing portals is a plus.
• Strong understanding of VAT in international B2B transactions and reverse charge rules.

Responsibilities

• Invoicing across Germany and the US from sales order to invoice delivery.
• Ensure sales orders for new contracts and renewals have all invoicing information for Finance conformity.
• Handle structured e-invoices (XRechnung, ZUGFeRD) and portal delivery (Ariba, etc.).
• Deliver month-end invoicing cut-off and provide billing data for reporting.
• Document and improve invoicing workflows in Odoo and evaluate future billing systems.
• Coordinate invoicing and collections with Accounting to align invoice-to-payment and dunning.

Skills

Invoicing expertise

Cash flow awareness

Process optimization

Education

Commercial vocational training

University degree or comparable qualification

Tools

Odoo

ERP/billing system

Job description

Your mission

• Invoicing:You are responsible for invoicing all of our business lines for our entities in Germany and the US, from the sales order to invoice delivery, including invoice corrections and credit notes

• Sales order quality:You make sure that every sales order for new contracts and renewals contains all information required for correct invoicing, and you check it for Finance conformity before it is billed. You keep the relevant CRM data in shape and work closely with our Renewals and Sales teams at this interface

• E-invoicing & purchasing portals:You issue structured e-invoices (XRechnung, ZUGFeRD) in line with German requirements and ensure that invoices reach our customers through the purchasing portals they request, such as Ariba, following up on any portal issues

• Close & reporting:You deliver the invoicing cut-off for our month-end close, provide billing data for reporting and track key billing KPIs

• Process development:You improve, automate and document our invoicing workflows in Odoo and contribute to the evaluation of a future billing system

• Invoicing & collection:Together with our Accounting team, you ensure a smooth transition from invoice to payment and dunning, as both processes move closer together within Finance

Your profile

• Education: Commercial vocational training, university degree, or comparable qualification
• Experience: Several years of hands‑on experience in B2B invoicing, ideally within a software or subscription environment
• Systems: Experience with Odoo or a similar ERP or billing system
• E-Invoicing & Portals: Practical knowledge of e-invoicing and customer purchasing portals
• Taxation: Solid VAT knowledge in international B2B transactions, including reverse charge and intercompany setups
• Financial Acumen: Clear understanding of how invoicing impacts cash flow, revenue recognition, and the month-end close
• Work Style: Precise, structured, and focused on process documentation and optimization
• Languages: Fluent spoken and written German and English; additional languages are a plus
• Nice to Have: Experience in accounts receivable/cash application, with platforms like Chargebee or Stripe Billing, as well as billing system implementations

Why us?

• The chance to make a decisive impact and shape the future of a dynamic, fast growing tech company while growing with your tasks and responsibilities
• Flexible and family-friendly working conditions in a stable environment
• Flexibility between hybrid-work and working in an office in one of the most beautiful, central districts of Munich
• With the wide range of sports and wellness offers from Wellpass, you can choose from over 9,000 sports and wellness offers
• An agile team that embodies autonomy and fast decision making within flat hierarchies
• A unique corporate culture where we emphasize equality, diversity and inclusion
• A wide range of education and training opportunities
• An office in one of the most beautiful, central district of Munich
• An attractive salary
• Regular onsite events of all sorts (Company Outings, Team events, Checkmk Conference, Conference After Party and more) in a familiar atmosphere