We are:Wizeline, a general AI-native technology solutions provider, develops cutting-edge,AI-powereddigital 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 ofgrowth, collaboration,andimpact.With the right people and the right ideas, there’s no limit to what we can achieveAre you a fit?We are seeking a skilledSenior Software Engineerto join our team in building and scaling our next-generation automated translation and localization platform. In this role, you will work closely with our engineering and product teams to integrate state-of-the-art AI/LLM models and machine translation engines into our enterprise content-processing ecosystem.You will design and implement high-performance microservices, event-driven pipelines, and robust APIs to support global media expansion, multi-language publishing, and real-time content delivery.Key ResponsibilitiesPlatform Development:Develop and enhance core translation services and backend applications using Java and Spring Boot.AI & LLM Integration:Integrate cutting‑edge AI/LLM translation capabilities and direct LLM/machine translation provider APIs into our content processing infrastructure.Optimization & Evaluation:Support direct integrations with translation providers; continually evaluate and improve translation quality, system scalability, cost efficiency, and latency.API & Event Pipelines:Build highly available, reliable REST APIs and Kafka‑driven asynchronous pipelines for processing high‑volume content and translation tasks.Operational Excellence: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.Production Support:Assist with production deployments, CI/CD pipelines, system monitoring, and troubleshooting to ensure platform stability.Cross‑Functional Collaboration:Partner with cross‑functional engineering teams, product managers, and key stakeholders on technical design, system architecture, code reviews, and documentation.Global 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).Qualifications & SkillsRequired:Core Backend:Proven expertise inJavaandSpring Bootfor building scalable RESTful APIs and enterprise microservices.Cloud & Infrastructure:Hands‑on experience withGoogle Cloud Platform (GCP)or other major public cloud environments.Event‑Driven Architecture:Experience withApache Kafkaor similar messaging systems for event‑driven architectures and streaming pipelines.AI / Translation Tech:Experience integratingLLMs, AI APIs, orMachine Translation (MT)technologies and multilingual content workflows.Software Engineering Practices:Proficiency with Git, CI/CD pipelines, automated testing (unit, integration, e2e), code reviews, and Agile methodologies.Communication:Excellent technical communication skills with fluency in written and spoken English.Preferred / Nice to Have:Prior experience building or maintainingcontent management platforms (CMS), digital publishing systems, or media workflows.Experience evaluating LLM prompt engineering, fine‑tuning, or MT quality estimation metrics (e.G., BLEU, COMET).What we offer:A High‑Impact EnvironmentCommitment to Professional DevelopmentFlexible and Collaborative CultureGlobal OpportunitiesVibrant CommunityTotal Rewards*Specific benefits are determined by the employment type and location.Find out more about our culture here.#J-18808-Ljbffr

📌 Java & Llm/Ai Software Engineer - Barcelona (Hybrid) (Madrid)
🏢 Wizeline
📍 Madrid