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.

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. 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 Dev Ops practices.

Develop and maintain applications using Microsoft. NET / C# when required.



Maintain high standards of code quality, reliability, and performance. 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#. Strong attention to detail with a quality-focused mindset.

English level: Ability to leverage AI tools to improve development productivity, including coding, debugging, documentation, analysis, and automation. Knowledge of the Digital Publishing business or experience working with publishing platforms and technologies.

Experience working in agile or Dev Ops-oriented teams.

What we offer A High-Impact Environment Commitment to Professional Development Versátil and Collaborative Culture Global Opportunities Vibrant Community Total Rewards Specific benefits are determined by the employment type and location.

📌 SENIOR SOFTWARE ENGINEER BACKEND (GOLANG) (Madrid)
🏢 Wizeline
📍 Madrid