Senior Backend Engineer (Java)

wizeline· Software Engineering
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📍 Barcelona

About this role

Senior Backend Engineer (Java)

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:

We are looking for a Senior Backend Engineer (Java) to design, develop, and deploy scalable applications in a modern, cloud-based environment. In this role, you will work with Java, relational databases, microservices, cloud technologies, and AI-powered agents while collaborating with cross-functional teams to deliver high-quality solutions.


Key Responsibilities

  • Design, develop, and maintain scalable applications using Java and modern software development practices.
  • Develop and integrate AI-powered agents, leveraging agent-based architectures and emerging AI technologies.
  • Design, implement, and optimize solutions using relational databases.
  • Design and deploy applications in cloud-based environments.
  • Build and maintain microservices-based architectures using Docker and related technologies.
  • Collaborate with engineering teams to implement reliable and maintainable software solutions.
  • Participate in Continuous Integration and Continuous Deployment (CI/CD) processes and follow modern DevOps practices.
  • Develop and maintain applications using Microsoft .NET / C# when required.
  • Troubleshoot technical issues, identify root causes, and implement effective solutions.
  • Maintain high standards of code quality, reliability, and performance.
  • Communicate technical concepts effectively with technical and non-technical stakeholders.
  • Contribute to continuous improvement of development processes and engineering practices.

Must-have Skills

  • Bachelor’s Degree in Computer Science, Engineering, or a related field.
  • 5+ years of professional software development experience.
  • Extensive experience and high proficiency in Java.
  • Significant experience working with relational databases.
  • Experience designing and deploying applications in cloud-based environments.
  • Hands-on experience coding and developing AI agents.
  • Experience with Docker and microservices technologies.
  • Familiarity with Continuous Integration and Continuous Deployment (CI/CD) concepts.
  • Professional experience with Microsoft .NET / C#.
  • Excellent problem-solving and analytical skills.
  • Strong attention to detail with a quality-focused mindset.
  • Excellent written and verbal communication skills.
  • English level: Advanced / Fluent (spoken and written).

Nice-to-have

  • AI Tooling Proficiency: Ability to leverage AI tools to improve development productivity, including coding, debugging, documentation, analysis, and automation.
  • Experience working with Large Language Models (LLMs).
  • Experience implementing Retrieval-Augmented Generation (RAG) solutions.
  • Knowledge of AI agent architectures and agentic workflows.
  • Knowledge of the Digital Publishing business or experience working with publishing platforms and technologies.
  • 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.

Frequently Asked Questions

Is the salary disclosed for the Senior Backend Engineer (Java) position at wizeline?
The salary for this Senior Backend Engineer (Java) role at wizeline is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Senior Backend Engineer (Java) position at wizeline located?
This Senior Backend Engineer (Java) role at wizeline is based in Barcelona. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Which team or department does the Senior Backend Engineer (Java) at wizeline belong to?
This Senior Backend Engineer (Java) position is part of the Software Engineering department at wizeline. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior Backend Engineer (Java) position at wizeline?
Click the "Apply Now" button on this page. You will be redirected to wizeline's official application portal hosted on greenhouse where you can submit your application directly.
When was the Senior Backend Engineer (Java) job at wizeline posted?
This Senior Backend Engineer (Java) position at wizeline was posted on Aug 13, 2026. Apply as soon as possible — early applications are often reviewed first.
Senior Backend Engineer (Java)
wizeline
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