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Backend Developer Java con AWS

España🌐 Remote💼 Full-time🗓 2026-07-06 → 2026-09-23

Core

Build and evolve scalable digital ecosystems and critical payment services using Java and AWS.

Role type

Senior Backend Developer (Java/AWS)

Builds

Microservices, REST/SOAP APIs, and payment processing solutions

Domain

Fintech / Payments / Cloud Infrastructure

Deliverable

production ML models | product features

Required skills

Java, Spring Framework (Core, Boot, MVC, Security, JPA Hibernate), AWS, Docker, Microservices Architecture, REST/SOAP APIs, Relational and NoSQL Databases, Unit and Performance Testing (JUnit, Mockito, TestContainer, JMeter), CI/CD tools (Maven, Gradle), OpenAPI/Swagger, Log4j/SLF4J, Rapid7

Preferred skills

Payment industry domain knowledge, Security tools (Rapid7), Performance tuning (JConsole)

Responsibilities

Develop robust ecosystems using Spring Boot and microservices; Implement and evolve REST/SOAP services; Deploy and manage AWS cloud infrastructure; Ensure code quality through testing and refactoring; Manage code repositories and CI/CD pipelines; Document APIs; Optimize application performance; Apply security best practices

Seniority

Senior, hands-on IC

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