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# Java Software Engineer - Barcelona (Hybrid)

- **Company:** Wizeline
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Automation of Tests, Microsoft Azure, Configuration Management, Profiling, Continuous Integration, Dependency Injection, Distributed Systems, Memory Management, Monitoring of Systems, Java Persistence API, Spring Framework, Junit, Performance Tuning, Mockito, Prometheus, Data Processing, Multithreading, Cloud Platform System, Istio, Grafana, Spring-boot, Spring Data, Integration Tests, Kubernetes, Deployment Automation, Restful APIs, Docker, Jenkins, Microservices
- **Published:** September 17, 2026
- **Apply:** https://www.buscojobs.com.es/java-software-engineer-barcelona-hybrid-en-madrid-ID-372272122

## About the Role

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.

## Description

We Are Wizeline, a global AI-native technology solutions provider, develops cutting-edge,impact.Are you a fit?Sounds awesome, right?Now, let's make sure you're a good fit for the role:We Are Wizeline, a global AI-native technology solutions provider, develops cutting-edge,AI-powereddigital 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 ofgrowth, collaboration,andimpact.With the right people and the right ideas, there's no limit to what we can achieveAre you a fit?Sounds awesome, right?Now, let's make sure you're a good fit for the role:Must-have SkillsCore Technical SkillsJava (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 & DevOpsStrong 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 & QualityProficiency 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-haveAI 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 OfferA High-Impact EnvironmentCommitment to Professional DevelopmentFlexible and Collaborative CultureGlobal OpportunitiesVibrant CommunityTotal RewardsSpecific benefits are determined by the employment type and location.Find out more about our culture here.#J-*****-Ljbffr


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