Senior Backend Engineer (Java)

Posted 6 Days Ago
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Barcelona, Cataluña, ESP
In-Office
Senior level
Information Technology • Consulting
The Role
Design, develop, and deploy scalable backend applications using Java, microservices, relational databases, Docker, and cloud platforms. Build and integrate AI-powered agents, participate in CI/CD and DevOps practices, collaborate with cross-functional teams, troubleshoot production issues, and occasionally develop .NET/C# components while ensuring code quality and performance.
Summary Generated by Built In
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.

Skills Required

  • Bachelor's Degree in Computer Science, Engineering, or 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 Advanced / Fluent (spoken and written)

Wizeline Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Wizeline and has not been reviewed or approved by Wizeline.

  • Healthcare Strength Core coverage spans medical, dental, vision, life and disability insurance, with private medical commonly included in Mexico. Additional support such as EAP and wellness programs is also referenced.
  • Leave & Time Off Breadth Paid vacation, holidays, sick leave, volunteer time, and parental leave are called out, alongside flexible or remote work options. Unlimited PTO is mentioned in some contexts.
  • Retirement Support Savings and retirement elements appear across regions, including a 401(k) in the U.S. and a savings fund and profit sharing in Mexico. These components provide structured long-term financial benefits.

Wizeline Insights

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The Company
HQ: New York, NY
1,444 Employees
Year Founded: 2014

What We Do

Wizeline, a global technology services provider, builds the best digital products and platforms at scale. We focus on measurable outcomes, partnering with our customers to modernize core technologies, mature data-driven capabilities, and improve user experience.

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