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.

Develop and enhance core translation services and backend applications using Java and Spring Boot. continually evaluate and improve translation quality, system scalability, cost efficiency, and latency. Build highly available, reliable REST APIs and Kafka-driven asynchronous pipelines for processing high-volume content and translation tasks. Implement end-to-end monitoring, logging, error handling, retries, automated testing, and validation mechanisms for complex translation workflows.

Scale & Performance: Drive performance tuning and architecture enhancements to handle increasing translation volumes seamlessly. Assist with production deployments, CI/CD pipelines, system monitoring, and troubleshooting to ensure platform stability.

General Expansion:



Contribute to the long-term evolution of the platform to support international expansion, additional languages, and diverse content formats across major media brands (including WSJ and international outlets).

Core Backend: Proven expertise in Java and Spring Boot for building scalable RESTful APIs and enterprise microservices.

Cloud & Infrastructure: Hands-on experience with Google Cloud Platform (GCP) or other major public cloud environments.

Experience with Apache Kafka or similar messaging systems for event-driven architectures and streaming pipelines.

Software Engineering Practices: Proficiency with Git, CI/CD pipelines, automated testing (unit, integration, e2e), code reviews, and Agile methodologies. Excellent technical communication skills with fluency in written and spoken English. Prior experience building or maintaining content management platforms (CMS) , digital publishing systems, or media workflows.

Experience evaluating LLM prompt engineering, fine-tuning, or MT quality estimation metrics (e.g., Commitment to Professional Development

📌 Senior Full Stack Developer - Java and React (Barcelona)
🏢 Wizeline
📍 Barcelona