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 general 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.
Sounds awesome, right?
Now, let's make sure you're a good fit for the role:
Key Responsibilities
Key Responsibilities
Platform Development:
Develop and enhance core translation services and backend applications using Java and Spring Boot.
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 & Skills
Required:
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.
Event-Driven Architecture:
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.
Communication:
Excellent technical communication skills with fluency in written and spoken English.
Preferred / Nice to Have:
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., BLEU, COMET).
What we offer:
Commitment to Professional Development
Flexible and Collaborative Culture
Total Rewards
*Specific benefits are determined by the employment type and location.
*
#J-*-Ljbffr

📌 Senior Java Engineer (Barcelona)
🏢 Wizeline
📍 Barcelona