Backend / API Engineers (Mid to Staff level) – Fintech Platform (Madrid / Hybrid)

E-Frontiers
📍 Spain, community of madrid, Spain 💼 Full-time 🕒 Posted June 08, 2026

Job Description

We’re hiring 4 Backend Engineers (Mid, Senior, and Staff levels) to join a high-impact API Platform team building scalable, self-serve infrastructure used by both customers and internal product teams.


This is a rare opportunity to join a fast-growing fintech environment where the API is a top business priority and sits at the core of the company’s platform modernisation strategy.


Location

Madrid (Hybrid: 4 days in office / 1 day remote )


Salary

€40K – €90K + bonus + benefits (depending on experience level: Mid / Senior / Staff)


Ready to Apply?

Submit your application today and join our talented team at E-Frontiers.

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Job Details

  • Location Spain, community of madrid
  • Job Type Full-time
  • Category Other-General
  • Posted Date June 08, 2026
  • Application Deadline July 18, 2026