Senior Software Engineer, Relevance Core- Spain Remote

About this role

Our Team
The Relevance Core team in the Personalization domain plays a critical role in optimizing VistaPrint's personalization strategies. We build and own a suite of sophisticated data products using machine learning models, comprehensive reporting analytics, and automated data engineering workflows. Our data products empower Product teams across all our PX organization to build personalized experiences for our customers, measure the impact of those personalized experiences, and jointly innovate new ways to implement and scale personalization strategies across our vast and complex product assortment.


What You Will Do

• Design, develop, and deploy high-performance, scalable APIs for serving machine learning models in production environments.
• Build and maintain robust CI/CD pipelines to ensure automated, reliable, and frequent deployment of ML models and platform components.
• Working with AWS services, deploying and maintaining serverless functions (Lambdas)
• Contribute to the design and development of core ML platform services, focusing on stability, efficiency, and ease of use for ML engineers and data scientists.
• Develop and manage internal Python packages for shared platform functionalities, best practices, and tooling.
• Monitor and troubleshoot production systems, ensuring low latency, high availability, and proactive resolution of incidents.
• Implement and optimize pipelines for Large Language Models (LLMs), including fine-tuning, serving, and monitoring.
• Collaborate with data science and engineering teams to ensure the ML platform meets their needs for model development and deployment.
• Engage in the design and occasional development of data pipelines using technologies like PySpark to ensure high-quality training and inference data availability.
• Stay current with emerging trends and technologies in ML engineering, MLOps, and LLMs, and propose strategic adoptions to improve the platform.

Your Qualifications
At VistaPrint, we a...