Back-end Developer

CoolPay Europe SL

Sant Adrià de Besòs, Barcelona🌐 Remote💼 Full-time🗓 2025-04-10 → 2026-09-23

Core

Building innovative, customer-inspired Fin-tech products and contributing to the technical roadmap.

Role type

Senior IC backend developer (Java/Kubernetes)

Builds

Shippable Fin-tech products and technical evolution

Domain

Financial technology

Deliverable

production ML models | product features

Required skills

JavaEE, RXJava, Docker, microservices, messaging patterns (Active MQ, Kafka), Git, SOLID principles, Kubernetes

Preferred skills

Micronaut, Atlassian Suite (JIRA & Confluence), PCI & PCI-DSS security knowledge

Technologies

Java, RXJava, Docker, Kafka, Active MQ, Git, Kubernetes, Micronaut

Responsibilities

Collaborate on diverse projects to build the technical roadmap; apply agile methodologies to turn business initiatives into shippable products; share knowledge and research with the engineering team.

Seniority

Mid-level, hands-on IC

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