WIZELINE
WIZELINE1d ago
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Senior Backend Engineer (Java)

SpainSpain·Barcelonasenior
OtherSenior Backend Engineer
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Quick Summary

Overview

Senior Backend Engineer (Java) We are: Wizeline, a global AI-native technology solutions provider, develops cutting-edge, AI-powered digital products and platforms.

Technical Tools
OtherSenior Backend Engineer

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.


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.


Responsibilities

~1 min read
  • 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.

  • 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).

  • 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

~1 min read
A High-Impact Environment
Commitment to Professional Development
Flexible and Collaborative Culture
Global Opportunities
Vibrant Community
Total Rewards

Location & Eligibility

Where is the job
Barcelona, Spain
On-site at the office
Who can apply
ES

Listing Details

Posted
August 13, 2026
First seen
August 13, 2026
Last seen
August 14, 2026

Posting Health

Days active
0
Repost count
0
Trust Level
60%
Scored at
August 13, 2026

Signal breakdown

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WIZELINE
WIZELINE
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Employees
3k+
Founded
2014
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WIZELINESenior Backend Engineer (Java)