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# Backend Engineer - Security Subsystem

- **Company:** Banco Santander, S.A.
- **Location:** Madrid, Spain
- **Salary:** €60,000.0 - €90,000.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, Cloud Computing, Data Structures, Distributed Systems, Backend
- **Published:** August 21, 2026
- **Apply:** https://www.jobleads.com/es/job/e9268b8bdfbcc8ac814d90f150f2029b0

## About the Role

Requires 4+ years in backend development (Go or Java), strong API and data structure knowledge, and experience with distributed systems and cloud tech like AWS. Spanish is preferred alongside English.



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