Senior Software Engineer, Relevance Core- Spain Remote

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 are striving to hire individuals that add new ideas and perspectives to our teams and enhance our culture. No matter your background or work experience, we strongly encourage you to apply—even if you feel that you don’t meet the exact requirements or have the same qualifications. You might be a great candidate for this or other opportunities. 

• Proven experience (typically 4+ years) in a software development role, with a strong focus on building and deploying high-performance, scalable APIs for production systems.

• Demonstrable expertise in designing, building, and maintaining robust CI/CD pipelines for automated and reliable software and machine learning model deployment.

• Experience working with any Cloud services (preferably AWS).

• Strong analytical and problem-solving skills with the ability to interpret performance data and troubleshoot production systems (low latency, high availability).

• Fluency in English is essential.

Nice to Have

• Experience with MLOps principles and tools for managing and monitoring machine learning model lifecycles, including implementing and optimizing pipelines for Large Language Models (LLMs).

• Proficiency in Python, including developing and managing internal packages for shared platform functionalities and best practices.

• Solid experience with core ML platform services, focusing on architectural stability, efficiency, and developer usability.

• Familiarity with data engineering concepts and technologies like PySpark for working with high-quality training and inference data availability.

Why You'll Love Working Here

There is a lot to love about working at VistaPrint. We are an award winning Remote-First company. We’re an inclusive community. We’re growing (which means you can too). And to help orient us all in the same direction, we have our Vista Behaviors which exemplify the behavioral attributes that make us a culturally strong and high-performing team. 

About Us

VistaPrint is the design and marketing partner to millions of small businesses around the world. For over 20 years we’ve been inspired by small businesses, and we work incessantly to deliver solutions to their evolving needs. Together, VistaCreate, 99designs by Vista and VistaPrint represent a full-service design, digital and print solution, elevating small businesses’ presence in physical and digital spaces and powering them to achieve success. VistaPrint is focused on making great marketing and design accessible to every small business owner, allowing them to create a cohesive brand image for use in-store, online and on-the-go.

Commitment to Diversity, Equity, & Inclusion

VistaPrint exists to help our customers live their dreams. Each dream is unique – and the VistaPrint team needs to be as well. We believe in the unique contributions of everyone within a diverse global organization. We are collaborative, inclusive, and innovative. We strive to role model and live an inclusive culture of fairness, respect and belonging for all. And we work together to empower each other, creating a space in which each of us can spark our next great idea. 

Equal Opportunity Employer

VistaPrint, a Cimpress company, is an Equal Employment Opportunity Employer. All qualified candidates will receive consideration for employment without regard to race, color, sex, national or ethnic origin, nationality, age, religion, citizenship, disability, medical condition, sexual orientation, gender identity, gender presentation, legal or preferred name, marital status, pregnancy, family structure, veteran status or any other basis protected by human rights laws or regulations. This list is not exhaustive and, in fact, in many cases, we strive to do more than the law requires.

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