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Senior Backend Developer

Spain💼 Full-time🗓 2026-06-04 → 2026-09-30

Core

Building core services and APIs to handle high-volume real-time traffic and process big data for fraud prevention.

Role type

Senior backend developer

Builds

Core services and APIs for behavioral biometrics platform

Domain

Fintech / Cybersecurity / Behavioral Biometrics

Deliverable

production ML models

Required skills

Backend development, API design, Big data processing, Real-time systems, High-volume traffic handling, Fraud detection logic

Preferred skills

Machine learning integration, Behavioral data analysis

Technologies

(Not explicitly stated)

Responsibilities

Build core services and APIs, Handle high-volume real-time traffic, Meet strict SLA response times, Process and aggregate big data

Seniority

Senior, hands-on IC

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