Job Description

Job Title: Backend API Engineering Lead
Location: Málaga/Hybrid - 3-4 days/week onsite
Contract Type: 6‑month initial contract + extenisons
Hourly Rate: circa 400 EUR/day (flexible)
Start Date: Late Feb/Early March
Orbis have partnered with a global banking client who are building a next‑generation BaaS (Banking‑as‑a‑Service) platform designed to power secure, compliant, and AI‑augmented financial services across Payments, Collections, and Cash Management domains.
They are seeking an experienced Backend Integration Developer/API Lead with deep expertise in Java (Spring Boot), Python (FastAPI), API security, and event‑driven microservices to own the design and delivery of domain‑critical backend services within a cloud‑native, enterprise‑grade environment.
Key Tech:
Backend & APIs: Java/SpringBoot, REST API design with OpenAPI 3.1 and event flows using AsyncAPI
Event Driven Architecture: Apache Kafka & Kafka Streams
Cloud Infra & DevOps: Docker & Kubernetes...

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