Senior AI Backend Engineer (Java/GCP)

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 integral community of innovators, we foster a culture of growth, collaboration, and impact.
With the right people and the right ideas, there’s no limit to what we can achieve.

Are you a fit? Sounds awesome, right? Now, let’s make sure you’re a good fit for the role:

Key Responsibilities
• Develop and enhance an enterprise-scale, AI-powered translation platform and its associated services.
• Integrate LLM-based translation capabilities into global content-processing ecosystems and media pipelines.
• Build highly reliable REST APIs and event-driven microservices to manage high-volume translation requests and results.
• Support direct integration with selected LLM/translation providers, continuously evaluating opportunities to improve translation quality, scalability, cost, and latency.




• Implement and optimize event-driven architectures utilizing Kafka to ensure seamless integration with existing enterprise platforms.
• Establish robust operational capabilities, including appropriate error handling, retries, monitoring, logging, and performance tuning.
• Develop comprehensive automated tests and validation mechanisms specifically tailored for translation workflows.
• Drive scalability improvements to support international expansion, increasing translation volumes, and additional content types.
• Assist with production deployment, troubleshooting, and continuous operational support.
• Collaborate closely with cross-functional engineering and product teams on technical design, implementation, testing, and documentation.

Must-have Skills
• 8+ years of experience in backend software development.
• Advanced English level (C1+) with excellent technical and interpersonal communication skil

📌 Senior AI Backend Engineer (Barcelona)
🏢 Wizeline
📍 Barcelona