Middleware Integration Developer - AI-Native Backend Services - Hybrid Cloud Orchestration

Overview

Middleware Integration Developer - € 500/day - Contract - Onsite Malaga

Proficiency in English & Spanish (Required)

Middleware Integration Developer - AI-Native APIs - Domain Microservices - Hybrid Cloud Orchestration

You will be working onsite in Malaga delivering next-generation Back End and Middleware capabilities for a global enterprise financial services platform operating within a secure, cloud-native ecosystem.

Responsibilities

• Backend & Middleware Engineering: Must have experience designing, building, and owning Back End microservices within domain-driven environments (Payments, Collections, Cash Management), operating across distributed, cloud-native and hybrid-cloud infrastructures.

Experience Key Skills

• Domain Knowledge: Strong understanding of RESTful API design using OpenAPI 3.1 and AsyncAPI, OAuth 2.1/OIDC/mTLS security models, JWT handling, event-driven architect...