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Senior Backend Engineer (Java)

Wizeline


Job Location:

Barcelona - Spain

Monthly Salary: Not provided by the employer
Posted: 15 August 2026 (30+ days ago)
Application Deadline: 12 November 2026
Vacancies: 1 Vacancy

Job Summary

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 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 Backend Engineer (Java) to design develop and deploy scalable applications in a modern cloud-based 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 / 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
  • Bachelors 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 / 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.


Required Experience:

Senior IC


About Company

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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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