Senior Java Cloud Engineer - Remote (AWS, Spring)

UST; Madrid; Híbrido; EUR 55.000 - 75.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Health Care Plan

Internet Connectivity

Life and Accident Insurances

Retribución Flexible Program

WFH or remote work policy

Training platforms access

Descripción de la vacante

UST is seeking a Senior Java Developer to join a highly innovative team operating in a microservice-based cloud environment within the utility technology sector. You will design and implement Java services, REST APIs, and extensions using Java/Spring, translating business needs into clean, scalable code.

Key responsibilities include building reliable persistence layers with Hibernate/JPA, integrating with CRM/finance platforms, and driving test-driven delivery with JUnit/Mockito.

Formación

• Strong enterprise Java experience.
• Hands-on with Spring Framework and Spring Boot.
• Hibernate/JPA, relational databases and SQL optimization.
• Experience designing/consuming REST APIs; OpenAPI/Swagger.
• Experience with event-driven or distributed systems.
• Testing with JUnit, Mockito, and contract testing frameworks.
• Git, Maven/Gradle, CI/CD, and code reviews.
• Secure coding, authentication/authorization, observability.
• Fluent English.

Responsabilidades

• Design and implement Java services, REST APIs, adapters and components using Java/Spring.
• Translate requirements into clean, scalable code.
• Develop RESTful APIs with validation, versioning, pagination, security, and error handling.
• Implement event-driven and asynchronous integrations with resiliency patterns.
• Build/persist with Hibernate/JPA and SQL best practices.
• Integrate microservices with CRM, finance, analytics, web and mobile platforms.
• Create unit/integration/contract tests to ensure quality delivery.
• Participate in code reviews, design sessions, and secure development practices.
• Troubleshoot incidents using logs, metrics, traces, DB analysis; provide root-cause fixes.
• Support CI/CD pipelines, automated quality controls, and cloud-native deployments.
• Contribute to technical docs and operational procedures.
• Ensure performance, reliability, scalability, and security standards.

Conocimientos

Java

Spring Framework

Hibernate/JPA

REST APIs

OpenAPI/Swagger

CI/CD

Git

Maven/Gradle

Testing (JUnit/Mockito)

Security & Authentication

Herramientas

AWS

Docker

Kubernetes

Terraform

Descripción del empleo

UST is seeking a Senior Java Developer to join a highly innovative team operating in a microservice-based cloud environment within the utility technology sector. You will design and implement Java services, REST APIs, and extensions using Java/Spring, translating business needs into clean, scalable code.

Key responsibilities include building reliable persistence layers with Hibernate/JPA, integrating with CRM/finance platforms, and driving test-driven delivery with JUnit/Mockito.