Java Software Engineer - Barcelona (Hybrid)

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.

• 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)

• 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.

• 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.

• A High\-Impact Environment


• Commitment to Professional Development


• Flexible and Collaborative Culture


• Global Opportunities


• Vibrant Community


• Total Rewards


• *Specific benefits are determined by the employment type and location.*

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