Data Engineer • Senior

Who you are

You have 5+ years of experience in data engineering, with a strong background in building scalable data pipelines that support machine learning and search systems. Your expertise in machine learning and natural language processing allows you to contribute effectively to innovative projects. You are comfortable working in a collaborative environment, partnering with machine learning engineers to design and maintain feature pipelines. You understand the importance of data quality and have experience establishing monitoring and validation processes across data stacks.

You are excited about the opportunity to shape a greenfield ML initiative at Squarespace, where you can influence the development of a next-generation search platform. You thrive in high-impact teams and are eager to take ownership of your work, ensuring that the data foundation you build is robust and efficient. You are detail-oriented and have a passion for creating intelligent search experiences that help customers find their perfect domain.

Desirable

Experience with large language models and their application in search systems is a plus. Familiarity with ranking and personalization systems will help you excel in this role. You are open to learning new technologies and methodologies that can enhance the search experience for millions of customers.

What you'll do

As a Founding Senior Data Engineer, you will build and own the data pipelines that power Squarespace's search system, including corpus ingestion, processing, enrichment, and index refresh. You will design and maintain feature pipelines for machine learning models, collaborating closely with the Ranking Machine Learning Engineer on feature engineering and computation. Your role will also involve owning the embedding pipeline infrastructure to run models at scale, ensuring that the systems you build are efficient and reliable.

You will integrate with and extend the feature store infrastructure to serve features at both training and inference times. Establishing data quality monitoring, validation, and alerting across the search data stack will be a key responsibility, as you work to maintain high standards for data integrity and performance. You will partner with machine learning engineering teams to ensure that the data foundation you create supports innovative search experiences.

What we offer

At Squarespace, you will have the opportunity to work in a dynamic environment where your contributions directly impact how millions of customers discover their online identity. You will be part of a small, high-impact team that values collaboration and innovation. We encourage you to apply even if your experience doesn't match every requirement, as we believe diverse teams build better products. Join us in shaping the future of intelligent search experiences at Squarespace.