Billing Operations Specialist

We are looking for a Billing Operations Specialist to join our Billing team.

In this role, you will ensure accurate and timely billing activities while taking ownership of an assigned customer portfolio. You will work across the full operational billing cycle – from invoice creation and vendor portal submission to Accounts Receivable monitoring and payment follow-up.

We are looking for someone who combines attention to detail with a strong sense of ownership: someone who not only completes tasks but follows them through, understands their impact on cash collection, and proactively resolves issues.

This is an opportunity to develop your expertise in finance operations, take on increasing responsibility, and contribute to a more efficient, digital and future-oriented Billing function.

• You're important. We foster a trusting environment and lifelong learning to support your individual development. Set personal development goals, receive support and regular feedback – wegive you the tools to succeed.
• Living our values. Our values connect us. They shape how we work and collaborate across teams and cultures, creating belonging, trust, and an environment where everyone can thrive.
• Great atmosphere. We cultivate a dynamic culture where shared goals bring us together. From unforgettable company events to volunteering initiatives, we inspire and empower each other to make a positive impact.
• Work-life balance is a must.
  
  Work in a modern office, in the heart of Barcelona. In addition, we offer flexibility through our hybrid-working model, conveniently arrange your working hours, and the ability to work from abroad within the EU. We provide you with 24 days of paid vacation – because we also value your free time.
• Special Perks Just for You.
  
  We offer you other exciting benefits such as meal vouchers for your healthy breaks as well as corporate shopping benefits.
• Health is a priority.
  
  We offer private health insurance, and you can also benefit from our corporate mental health counselling!

We believe that professional growth comes from taking ownership, continuously learning and making a meaningful contribution.

As part of our Billing team, you will have the opportunity to:

• Develop your expertise across invoicing, vendor portals, Accounts Receivable and collections.
• Grow from managing assigned billing activities to owning a customer portfolio end-to-end.
• Progressively take responsibility for more complex accounts, problem-solving and stakeholder management.
• Strengthen your analytical and reporting skills.
• Contribute to process improvements, automation and more efficient ways of working.
• Develop your AI competence and explore responsible applications of AI in daily operations.
• Learn from colleagues, share knowledge and grow in a collaborative environment.

We value development not only through the volume of work handled, but through increasing accuracy, ownership, problem-solving capability, collaboration and business impact.

As a Billing Operations Specialist, you will play an important role in ensuring accurate billing, supporting timely cash collection and delivering a positive customer experience.

Your key responsibilities will include:

• Manage an assigned customer portfolio across billing and collections activities.
• Prepare and issue accurate invoices based on approved billing data.
• Verify customer information, purchase orders and supporting documentation to ensure first-time-right billing quality.
• Submit invoices through customer/vendor portals and monitor their status until acceptance.
• Maintain vendor portal access, documentation and submission requirements.
• Investigate and resolve standard invoice or portal rejections.
• Monitor Accounts Receivable (AR) aging and…