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Senior Back End Developer (Spring BootMicroservices Hexagonal architecture) Job Opening In Madrid – Now Hiring ADEREN


Job description

BUSCAMOS : Senior Back End Developer (Spring Boot / Microservices / Hexagonal architecture)

Profesional con experiencia mínima de 5 años en desarrollo backend Java con Spring Boot

Funciones & Tareas

  • Diseñar, desarrollar y mantener microservicios backend basados en Spring Boot aplicando principios de arquitectura hexagonal y Domain‑Driven Design (DDD).

  • Desarrollar e integrar flujos batch complejos con Spring Batch.

  • Implementar y gestionar integraciones basadas en mensajería (MQ) incluyendo RabbitMQ y otros brokers corporativos.

  • Desarrollar rutas e integraciones con Apache Camel para orquestación de eventos y mensajes.

  • Diseñar soluciones orientadas a eventos (event-driven) y con enfoque distribuido.

  • Configurar y aplicar Spring Security para proteger servicios y APIs gestionando autenticación y autorización (OAuth2, JWT, SSO, etc.).

  • Desplegar y operar servicios en Kubernetes (K8s) sobre AWS (EKS, SNS, SQS, Lambda).

  • Implementar plantillas dinámicas y notificaciones con Mustache.

  • Garantizar la calidad del código mediante Testcontainers, ArchUnit, JUnit 5 y Mockito.

  • Gestionar repositorios y despliegues bajo el flujo GitFlow y CI/CD.

  • Trabajar en entornos con alta exigencia de seguridad, resiliencia y trazabilidad típicos del sector bancario.

Conocimientos y Experiencia Obligatorios

  • Java 17, Spring Boot, Spring Batch, Spring Cloud, Spring Security
  • Apache Camel, RabbitMQ, ActiveMQ u otros Message Brokers
  • Arquitectura Hexagonal / DDD / Clean Architecture
  • Microservicios y sistemas distribuidos orientados a eventos
  • Kubernetes, AWS (EKS, SNS, SQS, IAM, Lambda)
  • Mustache / Thymeleaf
  • MongoDB / DocumentDB
  • Testcontainers, ArchUnit, JUnit 5, Mockito
  • GitFlow, CI/CD (Jenkins, ArgoCD, GitHub Actions, etc.)

Valorable

  • Experiencia previa en entornos bancarios o financieros con conocimiento de normativa de seguridad y trazabilidad de transacciones.

  • Familiaridad con integraciones legacy (MQ, SOAP, mainframe, batch tradicionales).

  • Experiencia en observabilidad (Prometheus, Grafana, ELK).

  • Conocimientos de OpenAPI / Swagger y documentación técnica.

  • Participación en proyectos de modernización de aplicaciones bancarias.

Soft Skills

  • Capacidad para trabajar en equipos multidisciplinares y entornos regulados.

  • Comunicación clara y proactiva con equipos técnicos y de negocio.

  • Mentalidad analítica orientada a la seguridad, la eficiencia y la calidad del software.

  • Compromiso con la mejora continua y la automatización.

Idioma

Español

OFRECEMOS

Contrato en modalidad Freelance Full time

Oferta económica: 230 – 260 jornada IVA (según experiencia aportada)

Proyecto de Larga Duración.

Recurrencia en Proyectos

Localización: España (teletrabajo 100%)

#J-18808-Ljbffr

Required Skill Profession

Informática Y Tecnología


  • Job Details

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The Work Culture

An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at ADEREN adheres to the cultural norms as outlined by Expertini.

The fundamental ethical values are:

1. Independence

2. Loyalty

3. Impartiapty

4. Integrity

5. Accountabipty

6. Respect for human rights

7. Obeying Spain laws and regulations

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ADEREN interview tips for Senior Back End Developer (Spring BootMicroservices Hexagonal architecture)

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Before the Interview:

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Other Openings

Practice: Prepare answers to common interview questions and rehearse using the STAR method (Situation, Task, Action, Result) to showcase your skills and experiences.

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