Sr. Data Engineer

Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide.

Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves.

About the Job

We are building a Customer Data Platform (CDP) designed to unlock the full potential of customer experience (CX) across our products and services. This role offers the opportunity to design and scale a platform that unifies customer data from multiple sources, ensures data quality and governance, and provides a single source of truth for analytics, personalization, and engagement.

As a key member of the data engineering team, you will architect and implement the pipelines, storage layers, and integrations that power our CDP. You’ll work with product, data science, and engineering stakeholders to deliver a robust platform that supports real-time decision-making, personalization at scale, and actionable customer insights.

This is a high-impact, hands-on engineering role where you’ll shape the data foundation that directly influences how we understand and serve our customers.

What You Will Be Doing

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Design and implement Five9’s Customer Data Platform solutions and enable production use cases for customers

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Design and develop highly scalable and resilient services for ingesting large-scale datasets

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Demonstrate strong ownership by ensuring operational excellence with a sharp focus on monitoring, observability, and system reliability

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Develop and orchestrate ETL/ELT pipelines using Apache Airflow

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Collaborate with cross-functional partners and lead technical initiatives independently end-to-end

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Design, build, and optimize distributed query engines such as Apache Spark or Snowflake to support complex data workloads