Our partner is looking for a Product Manager - Internal Billing Tools based in Spain. Lead the product strategy and evolution of internal billing systems within a fast-growing AI and cloud infrastructure environment. You'll own the tools, workflows, and automation that keep billing accurate, scalable, secure, and auditable.

Working closely with Engineering, Finance, Legal, Sales, Support, and Partner Operations, you'll translate complex business and compliance needs into effective product solutions. You'll balance immediate operational challenges with long-term investments that strengthen billing integrity. The role offers significant ownership over automation, reconciliation, access controls, and operational performance.

As Product

Manager for Internal Billing Tools, you'll own the billing product roadmap and drive improvements across workflows, automation, controls, and operational processes. Own and prioritize the roadmap for billing workflows, balancing risk, compliance, scalability, and immediate operational needs. Conduct discovery with Finance, Support, Sales, Partner Operations, and external partners to identify billing lifecycle issues and failure modes.

Validate and implement automation opportunities that reduce manual work across quota management, billing account setup, reconciliation, and billing corrections. Translate regulatory requirements, including SOX and GDPR/DSR, into practical product controls and workflows. Write concise PRDs, user stories, and requirements for internal billing consoles, APIs, and reconciliation pipelines.

Define and implement billing-specific RBAC and IAM models that support secure, least-privilege access. Partner with Engineering and SRE teams on data pipelines,



APIs, system reliability, and technical architecture.

Align

Engineering, Finance, Legal, and Partner Operations around compliant and auditable billing processes. Define and own OKRs and operational metrics covering billing health, reconciliation gaps, partner onboarding time, and manual task reduction. Establish operational SLAs and runbooks for billing incidents, supporting high system uptime and data integrity.

You'll bring strong product management experience combined with deep knowledge of billing or financial systems and the ability to operate effectively across technical and business functions. 5+ years of Product Management experience, with a focus on financial systems, billing, payments, or complex back-office operations.

Experience working in B2B or enterprise environments, ideally involving reseller or partner-based billing models. Strong understanding of billing architectures, including invoicing, ledger reconciliation, multi-tenant chargebacks, and pricing models. Technical fluency to collaborate effectively with Engineering and SRE teams on RBAC/IAM, APIs, and data pipelines.

Ability to use SQL and analytics to investigate operational issues and measure billing integrity. Strong stakeholder management skills, with the ability to navigate priorities across Engineering, Finance, Legal, and Operations. Structured, analytical, and outcome-oriented approach to product development.

Adaptable working environment with significant ownership and autonomy. Opportunity to work remotely within Europe. Opportunity to contribute to impactful AI and cloud infrastructure projects. Work alongside highly skilled international engineering and technology teams.

📌 Product Manager - Internal Billing Tools (Madrid)
🏢 Jobgether
📍 Madrid