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Wizeline

Senior Java Engineer

Wizeline
Spain · Full-time · Executive

We are:

Wizeline, a global AI-centric 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:


Key Responsibilities

  • Design, build, and maintain scalable backend services using Java and Spring Boot in a cloud-native AWS environment.
  • Develop and optimize RESTful APIs, microservices, and backend components following best engineering practices.
  • Collaborate closely with cross-functional teams—Product, DevOps, QA, and Frontend—to ensure seamless integration and high-quality product delivery.
  • Participate in architectural discussions, contributing to decisions that ensure scalability, security, and performance.
  • Troubleshoot complex backend issues, perform root-cause analysis, and provide long-term improvements to system stability.
  • Implement automation, monitoring, and CI/CD pipelines to improve development and deployment workflows.


Must-have Skills

  • 5+ years of backend engineering experience working with Java and Spring Boot in production environments.
  • Strong hands-on experience with AWS services (Lambda, ECS/EKS, API Gateway, S3, RDS/DynamoDB, CloudWatch, etc.).
  • Solid understanding of microservices architecture and distributed systems.
  • Experience building and consuming RESTful APIs.
  • Proficiency with CI/CD pipelines and tools (Jenkins, GitHub Actions, GitLab CI, etc.).
  • Strong understanding of relational and/or NoSQL databases.
  • Experience with unit testing, integration testing, and test automation frameworks.
  • Ability to work autonomously while collaborating effectively with a cross-functional team.
  • Excellent problem-solving and communication skills.


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:

  • Competitive compensation & total rewards
  • Health benefits & wellness programs
  • Savings & retirement plans
  • Global mobility opportunities
  • Flexible work policy
  • Happy hours, gaming tournaments, sports activities & more
  • Continuous learning & training programs with WizeAcademy
  • Free certifications in cloud technologies and coding languages


Find out more about our culture here.

Key Skills

Ranked by relevance

ai microservices spring boot cloud java cicd aws restful apis gitlab ci ai tools jenkins devops gitlab nosql s3
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Posted
Jan 06, 2026
Type
Full-time
Level
Executive
Location
Greater Barcelona Metropolitan Area
Company
Wizeline

Industries

IT Services IT Consulting

Categories

Information Technology

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