Senior Java Backend Engineer - Remote Cloud & Microservices

Alten Delivery Centre Spain; Vitoria; Híbrido; EUR 45.000 - 65.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Health Care Plan

Life Insurance

Flexible Benefits

Training Access

Descripción de la vacante

UST is seeking a Java Developer to join a highly innovative team working within a microservice-based cloud environment in the utility technology sector. You will design, develop, and support secure, scalable Java services, APIs, and integrations that connect critical business systems.

The role emphasizes hands-on coding with Spring Framework, Hibernate/JPA, and REST APIs, along with test-driven development and CI/CD practices to ensure reliability and performance.

Formación

• Extensive experience developing enterprise Java applications.
• Strong knowledge of Spring Framework and Spring Boot.
• Experience with Hibernate/JPA, SQL, and relational databases.
• Experience designing REST APIs and OpenAPI specs.
• Experience with event-driven architectures and distributed systems.
• Solid testing with JUnit/Mockito and integration/contract testing.
• Experience with Git, Maven/Gradle, CI/CD, and code reviews.
• Fluent English and strong communication.

Responsabilidades

• Design and implement Java services, REST APIs, integration adapters, and extensions.
• Translate requirements into clean, scalable code.
• Develop RESTful APIs with validation, versioning, security, and error handling.
• Implement event-driven integrations with retry and dead-letter patterns.
• Build persistence layers using Hibernate/JPA and SQL best practices.
• Integrate microservices with CRM, finance, analytics, web, and mobile platforms.
• Create unit/integration/contract tests and participate in code reviews.
• Support CI/CD pipelines and cloud-native practices.
• Contribute to documentation and service supportability.
• Ensure performance, reliability, scalability, and security standards.

Conocimientos

Java Enterprise

Spring Framework

REST APIs

OpenAPI/Swagger

CI/CD

Problem Solving

English Communication

Herramientas

Spring Framework

Spring Boot

Hibernate/JPA

Git

Maven/Gradle

SQL

Descripción del empleo

UST is seeking a Java Developer to join a highly innovative team working within a microservice-based cloud environment in the utility technology sector. You will design, develop, and support secure, scalable Java services, APIs, and integrations that connect critical business systems.

The role emphasizes hands-on coding with Spring Framework, Hibernate/JPA, and REST APIs, along with test-driven development and CI/CD practices to ensure reliability and performance.