Senior Java Developer

Wizeline

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profile Job Location:

Barcelona - Spain

profile Monthly Salary: Not Disclosed
Posted on: 7 hours ago
Vacancies: 1 Vacancy

Job Summary

Senior Java Developer

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 theres no limit to what we can achieve.

Are you a fit

Sounds awesome right Now lets make sure youre a good fit for the role:

We are looking for a Senior Java Developer to design build and scale high-performance backend systems in a modern cloud-native this role you will work on distributed mission-critical applications collaborate with cross-functional teams and contribute to architectural decisions that impact product scalability reliability and performance.

Key Responsibilities

  • Design develop and maintain scalable high-performance backend services using Java (11/17/21) and Spring Boot.

  • Build and evolve RESTful APIs and microservices following best practices for reliability security and maintainability.

  • Design and support distributed systems and microservices architectures leveraging Docker Kubernetes and service mesh patterns (e.g. Istio).

  • Collaborate with DevOps and platform teams to implement and improve CI/CD pipelines deployment strategies and environment management.

  • Optimize application performance through profiling monitoring and tuning of memory concurrency and data processing.

  • Ensure high code quality through unit integration and automated testing.

  • Participate in architectural discussions and provide technical guidance to peers.

  • Troubleshoot production issues and contribute to continuous system improvements.

Must-have Skills

  • Bachelors Degree in Computer Science Engineering or a related field.

  • 5 years of professional experience as a Java Developer or Backend Engineer.

  • Advanced knowledge of Java (11/17/21) including multithreading concurrency memory management and performance optimization.

  • Strong experience with Spring Framework and Spring Boot including Spring Data/JPA.

  • Hands-on experience designing and maintaining microservices-based architectures.

  • Proficiency with Docker and Kubernetes including deployment and orchestration concepts.

  • Solid understanding of CI/CD pipelines (e.g. Jenkins) automated testing and release management.

  • Experience working in cloud environments such as AWS or Azure.

  • Strong background in unit and integration testing using JUnit Mockito or similar frameworks.

  • Experience defining performance metrics identifying bottlenecks and resolving scalability issues.

  • English level: Advanced / Fluent (spoken and written).

Nice-to-have

  • AI Tooling Proficiency: Ability to leverage AI tools to optimize day-to-day work including code generation debugging documentation analysis or process automation. Identify opportunities to improve developer productivity using AI.

  • Experience with monitoring and observability tools such as Prometheus and Grafana.

  • Knowledge of advanced deployment strategies (blue/green canary rolling updates).

  • Exposure to event-driven architectures or messaging systems (Kafka RabbitMQ).

  • Experience working in agile or DevOps-oriented teams.

What we offer

  • 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.

Find out more about our culture here.


Required Experience:

Senior IC

Senior Java DeveloperWe 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...
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Key Skills

  • REST
  • Eclipse
  • Junit
  • Spring
  • Struts
  • SOAP
  • Jpa
  • Hibernate
  • Maven
  • J2EE
  • Jdbc
  • Java

About Company

Company Logo

Wizeline is a global technology services company founded in Mexico, now partnering with clients worldwide to accelerate their digital agendas. We combine a boutique approach with enterprise-scale delivery to modernize infrastructure, engineer data-driven solutions, and integrate cutti ... View more

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