Senior Backend Engineer - Java, AI & Cloud Microservices

Wizeline; Barcelona; Presencial; EUR 70.000 - 100.000; Jornada completa

Descripción de la vacante

Wizeline is seeking a Senior Backend Engineer (Java) to design, develop, and deploy scalable applications in a modern cloud-based environment. 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.

You should have a Bachelor's degree in CS or related field and at least 5 years of professional software development experience, strong Java expertise, experience with

Formación

• Bachelor's degree in CS 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 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).

Responsabilidades

• 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 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.

Conocimientos

Java

Relational databases

Cloud environments

Docker

Microservices

CI/CD

C#/.NET

English (Advanced)

Educación

Bachelor's Degree in CS or related field

Herramientas

Kubernetes

Descripción del empleo

Wizeline is seeking a Senior Backend Engineer (Java) to design, develop, and deploy scalable applications in a modern cloud-based environment. 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.

You should have a Bachelor's degree in CS or related field and at least 5 years of professional software development experience, strong Java expertise, experience with