Wizeline, a general AI-native technology solutions provider, develops cutting-edge, 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 Design, build, and maintain scalable backend services using Java and Spring Boot in a cloud-native AWS environment. Develop and optimize RESTful APIs, microservices, and backend components following best engineering practices. Collaborate closely with cross-functional teams—Product, DevOps, QA, and Frontend—to ensure seamless integration and high-quality product delivery. Participate in architectural discussions, contributing to decisions that ensure scalability, security, and performance. Troubleshoot complex backend issues, perform root-cause analysis, and provide long-term improvements to system stability. Implement automation, monitoring,



and CI/CD pipelines to improve development and deployment workflows. Write clean, maintainable, and well-tested code, following engineering and security standards. 5+ years of backend engineering experience working with Java and Spring Boot in production environments. Strong hands-on experience with AWS services (Lambda, ECS/EKS, API Gateway, S3, RDS/DynamoDB, CloudWatch, etc.). Proficiency with CI/CD pipelines and tools (Jenkins, GitHub Actions, GitLab CI, etc.). Strong understanding of relational and/or NoSQL databases. Experience with unit testing, integration testing, and test automation frameworks. Leverage one or more AI tools to optimize and augment day-to-day work, including drafting, analysis, research, or process automation. Commitment to Professional Development Global Opportunities

📌 Senior Java Software Engineer (Barcelona)
🏢 Wizeline
📍 Barcelona