Java Software Engineer (AI)

Location: Barcelona, Spain; hybrid work

Company

hirify.global is a global AI-native technology solutions provider developing AI-powered digital products and platforms for client transformation.

What you will do

• Build and maintain RESTful APIs and distributed microservices using Java, Spring, and Spring Boot.
• Design concurrent data-processing solutions with attention to multithreading, memory management, and performance.
• Develop and operate containerized services with Docker, Kubernetes, and Istio.
• Manage CI/CD pipelines, deployment strategies, and environments across staging, integration, and production.
• Implement automated API testing and validation suites using JUnit, Mockito, and integration testing frameworks.
• Monitor large-scale systems, define performance metrics, profile services, and resolve bottlenecks.

Requirements

• Deep understanding of Java 11, 17, or 21, including multithreading, memory management, performance optimization, and concurrent data processing.
• Expertise with Spring, Spring Boot, dependency injection, configuration management, and Spring Data/JPA.
• Experience with microservices, service mesh patterns, Docker, Kubernetes, and cloud environments such as AWS or Azure.
• Strong understanding of CI/CD pipelines, automated testing, environment management, deployment strategies, and monitoring with Prometheus or Grafana.
• Proficiency with JUnit, Mockito, integration testing, automated API tests, performance metrics, and profiling.

Nice to have

• Experience using AI tools for drafting, analysis, research, process automation, and workflow improvement.

Culture & Benefits

• High-impact environment focused on collaboration and professional growth.
• Flexible and collaborative work culture.
• Global opportunities and a vibrant professional community.
• Total rewards package; specific benefits depend on employment type and location.