Java Software Engineer - Barcelona (Hybrid)

wizeline; Barcelona; Presencial; EUR 55.000 - 85.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

High-Impact Environment

Professional Development

Flexible Culture

Global Opportunities

Vibrant Community

Specific benefits are determined by an

Descripción de la vacante

Wizeline, a global AI-native technology solutions provider, is seeking a Java Backend Engineer to join our Barcelona team. You will design and implement robust backend services in Java, focusing on performance and scalability.

Work with Spring Boot, microservices architecture, Docker and Kubernetes, and CI/CD pipelines to deliver reliable APIs and services.

You will collaborate in a flexible, growth-focused environment with opportunities across global projects and client engagements.

Formación

• Proficient in Java with multithreading and memory management.
• Experience building RESTful APIs using Spring Boot.
• Design and maintain distributed microservices with Docker/Kubernetes.
• Familiar with CI/CD pipelines and automated testing.

Conocimientos

Java

Spring & Spring Boot

Microservices Architecture

CI/CD

Testing & QA

AI Tooling Proficiency

Descripción del empleo

We are: Wizeline, a global AI-native technology solutions provider, develops cutting-edge, AI-powered digital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a global community of innovators, we foster a culture of growth, collaboration, and impact.

With the right people and the right ideas, there's no limit to what we can achieve

Are you a fit?

Sounds awesome, right? Now, let's make sure you're a good fit for the role:

Must-have Skills

Core Technical Skills

• Java (11/17/21) - Deep understanding of multithreading, memory management, performance optimization, and concurrent data processing.
• Spring & Spring Boot - Expertise in building RESTful APIs, dependency injection, configuration management, and Spring Data/JPA integration.
• Microservices Architecture - Experience designing and maintaining distributed systems using service mesh patterns (Istio) with Docker and Kubernetes.

Infrastructure & DevOps

• Strong understanding of CI/CD pipelines (e.g., Jenkins), automated testing, and environment management (staging, prod, integration).
• Experience with container orchestration, deployment strategies (blue/green, rolling updates), and monitoring tools (Prometheus, Grafana).
• Working knowledge of cloud environments (AWS or Azure)

Testing & Quality

• Proficiency with JUnit, Mockito, and integration testing frameworks.
• Ability to design and maintain automated API tests and validation suites within CI/CD pipelines.
• Experience defining performance metrics, profiling, and resolving bottlenecks in large-scale systems.

Nice-to-have:

• AI Tooling Proficiency: Leverage one or more AI tools to optimize and augment day-to-day work, including drafting, analysis, research, or process automation. Provide recommendations on effective AI use and identify opportunities to streamline workflows.

What we offer:

• A High-Impact Environment
• Commitment to Professional Development
• Flexible and Collaborative Culture
• Global Opportunities
• Vibrant Community
• Specific benefits are determined by the employment type and location.

Find out more about our culture here .