Define and evolve the target architecture for Customer Retention (B2C & B2B), Marketing, Loyalty, and Customer Care across all channels (web, app, store, contact center).
Design end-to-end customer data flows and canonical models to enable a unified customer 360, golden record, and seamless identity across systems.
Architect integrations between various CRM systems & components, Customer Data Platform, marketing automation/orchestration, loyalty platform, POS, e-commerce, and analytics—leveraging APIs and event-driven patterns.
Establish and govern API, event, and data standards (naming, versioning, schemas, security) and drive their adoption across product teams.
Shape non-functional architecture to support peak retail volumes (e.g., product launches, seasonal peaks): scalability, availability, resilience, observability, and security-by-design.
Partner with business stakeholders in CRM, Marketing and Loyalty to translate strategies and requirements into actionable roadmaps and solution designs.
Provide architectural guidance throughout delivery lifecycles—discovery, design, implementation, testing, deployment, and hyper care—reviewing designs and code for customer-domain components (APIs, events, data pipelines).
Implement data governance practices for consent and preference management, privacy compliance, data quality, deduplication/matching, anti-fraud and sanctions compliance.
Bachelor’ or Master’s degree in Computer Science, Information Systems, or a related field.
~5–7 years of experience in solution/enterprise architecture or closely related roles, ideally within retail or consumer-facing organizations, including 2+ years of hands‑on software development using Java, .NET, or a similar language.
~ Customer Master/MDM (B2C/B2B), CRM, CDP, identity resolution, consent & preference management, segmentation/personalization, loyalty programs (earn/burn, tiers).
~ REST, GraphQL, event‑driven messaging/streaming (publish/subscribe),



and batch/ETL; experience with API gateways, event schema management, and contract‑first design.
~ Experience integrating cloud and SaaS platforms on at least one major cloud; Very good command of English (verbal and written); German language skills are a plus.

MediaMarktSaturn is Europe’s leading consumer electronics retailer. It sees itself as a partner, daily companion and navigator for its customers in the digital world. Its over 1,000 MediaMarkt and Saturn stores are closely integrated with their online shops. MediaMarktSaturn Technology is working on making Europe’s number one consumer electronics retailer the technology leader in its sector. To this end, several hundred developers, UX designers and system architects using state‑of‑the‑art technology work hand in hand with business owners in agile teams to develop customer‑focused technology solutions for more than 6 million customers every day in 11 countries.
Technology Hub located in Barcelona , is one of the service units of MediaMarktSaturn Technology to deliver adequate staffing and engineering skills for the agreed deliveries of the integral deployment plan for the entire group.
(*) Research shows that women and people from underrepresented groups are less likely to apply if they don’t meet all the criteria. Ticket Restaurant, Private Health Insurance)
Flexible working time and possibility to combine home office / presential working. Intensive workday every Friday and during summer
And the second office is located at Pier01, in Barceloneta , right in the center of Barcelona. Free coffee and free fruit once a week
If you need a VISA , don’t worry, we’ll assist you with the visa process and accompany you throughout the entire process!
There is a training budget so you can continue developing the skills you need most to keep growing professionally and personally!
English, Spanish, and German
It’s a day for you to enjoy without thinking about work
Department:HQ - IT
Entrylevel:Type of Employement:Full Time
Persona:Job Requisition Tech Employee

📌 Enterprise Architect Security (Barcelona)
🏢 Mediamarktsaturn Plattform Services
📍 Barcelona