Barcelona 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 General Opportunities Vibrant Community Total Rewards Specific benefits are determined by the employment type and location.

Find out more about our culture

here !

📌 Senior Backend Engineer (Marzán)
🏢 Wizeline
📍 Marzán