> Markdown version of [/jobs/ext/1940045-product-manager-product-owner](https://www.wearedevelopers.com/jobs/ext/1940045-product-manager-product-owner). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Product Manager / Product Owner

- **Company:** Mediamarktsaturn Retail Group
- **Location:** El Prat de Llobregat, Spain
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Middleware, SAP (Applications), Data Streaming, Systems Integration, Integration Frameworks, Apache Kafka, Api Management, Mulesoft
- **Published:** August 5, 2026
- **Apply:** https://www.jobleads.com/es/job/e96df602e1a8bc238144bb341949c6b8b

## About the Role

* Several years as a Product Manager / Product Owner in integrated system landscapes (ERP, order management, or finance/transaction systems).
 * Strong understanding of order-to-cash processes, especially invoicing and financial document flows.
 * Experience owning system integrations and data flows across system boundaries (APIs, middleware, asynchronous or event-based), including data consistency.
 * Ability to translate regulatory and business requirements into product requirements and challenge technical solutions. Building and configuring the systems sits with the engineering teams (no hands-on SAP or coding expertise required).
 * Stakeholder management across Finance, Tax, Legal, and engineering.
 * Fluent English; German an advantage., * Experience with e-invoicing or fiscalization platforms (e.g. PEPPOL, SAP DRC) or country-specific mandates (Italy SDI, France e-invoicing, SAF-T).
 * Experience with order management systems (e.g. IBM Sterling or comparable).
 * Experience with middleware or integration platforms (e.g. SAP CPI, MuleSoft, Kafka).
 * Exposure to high-volume transaction systems.

## Description

* Own FISCAS within Customer Fulfilment: a focused, specialized application that turns ERP billing data into legally and fiscally compliant invoices for every customer sales order, across channels and markets.
 * Run and optimize the module in live operation (it is largely rolled out), keeping invoice generation accurate and stable while adapting it to evolving country-specific fiscal and e-invoicing regulations.
 * Own the data flows through the module: billing data in from ERP and order management, compliant documents out to fiscalization and e-invoicing services, tax engines, archiving, and reporting, including asynchronous processing and failure handling.
 * Translate regulatory and business requirements into product requirements together with Tax, Finance, and Legal, ensuring order, pricing, tax, and accounting data map into country-compliant invoices.
 * Align interfaces, contracts, and changes with the adjacent product teams (ERP, order management, finance, reporting).
 * Own the backlog with engineering (user stories, API contracts, data models, acceptance criteria), prioritize against regulatory deadlines and operational stability, and track KPIs: invoice accuracy, processing latency, integration stability, compliance rates., * Functional understanding of invoice processing, tax determination, and fiscal compliance requirements.
 * Integration mindset: comfortable reasoning across system boundaries to keep a specialized, business-critical flow reliable.


## Related Videos

- [Why make use of an integration platform in today's software developments and infrastructure?](https://www.wearedevelopers.com/videos/758-why-make-use-of-an-integration-platform-in-today-s-software-developments-and-infrastructure)
- [Developer’s Perspective: Overview of the Tezos Blockchain Ecosystem](https://www.wearedevelopers.com/videos/237-developer-s-perspective-overview-of-the-tezos-blockchain-ecosystem)
- [How to Benchmark Your Apache Kafka](https://www.wearedevelopers.com/videos/76-how-to-benchmark-your-apache-kafka)
- [Migrating half a million users to a new payment service provider](https://www.wearedevelopers.com/videos/730-migrating-half-a-million-users-to-a-new-payment-service-provider)
- [A Guide To Functional Programming](https://www.wearedevelopers.com/videos/408-a-guide-to-functional-programming)
- [Let's Get Started With Apache Kafka® for Python Developers](https://www.wearedevelopers.com/videos/565-let-s-get-started-with-apache-kafka-for-python-developers)

## Related Articles

- [Spanish Business Culture and Etiquette](https://www.wearedevelopers.com/magazine/353-spanish-business-culture-and-etiquette)
- [The Biggest German Tech Companies](https://www.wearedevelopers.com/magazine/424-the-biggest-german-tech-companies)
- [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)
- [MLops – Deploying, Maintaining And Evolving Machine Learning Models in Production](https://www.wearedevelopers.com/magazine/115-mlops-deploying-maintaining-and-evolving-machine-learning-models-in-production)
- [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)
- [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers)