Backend Developer (Java / Spring Boot / AWS) - Assisted Channels
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Spain | Hybrid in Madrid, Barcelona, Málaga or Logroño | Remote in the rest of the country

Full-time

About The Role

We are looking for experienced Backend Developers specialized in Java and Spring Boot, with strong expertise in microservices architectures and cloud-native development in AWS environments. You will join an international digital transformation project focused on building scalable backend services, event-driven architectures, and modern API ecosystems within a high-availability environment.

This role combines backend engineering, cloud-native development, integrations, and modern architectural practices.

What you’ll do

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- Design and develop scalable microservices using Java and Spring Boot

- Define and implement RESTful APIs ensuring performance, scalability, and security

- Apply clean architecture principles, including hexagonal architecture (ports & adapters)

- Develop and maintain persistence layers using PostgreSQL and JPA/Hibernate

- Build and maintain serverless components using AWS Lambda

- Contribute to event-driven architectures using AWS services such as SQS and EventBridge

- Integrate internal and external systems, including CRM platforms via OData

- Write and maintain unit and integration tests

- Collaborate with DevOps and cloud teams in AWS environments

- Follow best practices in CI/CD, version control,



and code quality

What we’re looking for

-

- +3 years of professional experience in backend development

- Strong hands-on experience with:

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- Java

- Spring Boot

- Microservices architectures

- Experience designing and implementing:

-

- REST APIs

- API versioning and documentation

- Strong knowledge of:

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- PostgreSQL

- JPA / Hibernate

- Experience with:

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- JUnit

- Mockito

- unit and integration testing

- Experience working in AWS environments and cloud-native architectures

- Understanding of clean architecture principles and separation of concerns

- Spanish fluent/native level

- English B2 (spoken and written) – required

Highly valued

-

- Experience with:

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- AWS Lambda

- Event-driven architectures

- Amazon SQS

- Amazon EventBridge

- Kafka or similar technologies

- Experience integrating with:

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- Microsoft Dynamics

- OData protocols

- Knowledge of:

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- Hexagonal Architecture

- Domain-Driven Design (DDD) principles

Work model

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- Hybrid model available in:

-

- Madrid

- Barcelona

- Málaga

- Logroño

- Remote from other locations within Spain

Note

We are looking for backend-focused engineers with strong experience building modern Java microservices and cloud-native systems. This is a highly technical and hands‑on role within a collaborative engineering environment. xqbhyrx

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Hay opciones de teletrabajo/trabajo desde casa disponibles para este puesto.

📌 Backend Developer (Java / Spring Boot / AWS) - Spain (Hybrid/Remote)
🏢 Talent Connect
📍 Madrid