Principal Machine Learning & Data Engineer

Job Description

Who we are At Twilio, we’re shaping the future of communications, all from the comfort of our homes. We deliver innovative solutions to hundreds of thousands of businesses and empower millions of developers worldwide to craft personalized customer experiences. Our dedication to remote-first work , and strong culture of connection and global inclusion means that no matter your location, you’re part of a vibrant team with diverse experiences making a global impact each day. As we continue to revolutionize how the world interacts, we’re acquiring new skills and experiences that make work feel truly rewarding. Your career at Twilio is in your hands. We use Artificial Intelligence (AI) to help make our hiring process efficient. That said, every hiring decision is made by real Twilions! . See yourself at Twilio Join the team as Twilio’s next L5 Machine Learning & Data Engineer to lead the design, build, and operation of the internal ML-and-data platform that powers every customer interaction. You will architect cloud-native pipelines, model-serving infrastructure, and developer tooling that allow Twilio’s product teams to iterate rapidly and safely at scale, advancing our mission to unlock the imagination of builders. About the job Twilio’s next L5 Machine Learning & Data Engineer to lead the design, build, and operation of the internal ML-and-data platform that powers every customer interaction. You will architect cloud-native pipelines, model-serving infrastructure, and developer tooling that allow Twilio’s product teams to iterate rapidly and safely at scale, advancing our mission to unlock the imagination of builders. Responsibilities In this role, you’ll: Architect and evolve Twilio’s end-to-end ML and real-time data platforms for reliability, security, and cost efficiency. Design scalable feature stores, streaming and batch pipelines, and low-latency model-serving layers on AWS. Implement MLOps best practices—automated testing, CI/CD, monitoring, and rollback—for hundreds of daily deployments. Own system design reviews, threat modeling, and performance tuning for high-volume communications workloads. Lead cross-functional engineering efforts, breaking down complex initiatives into executable roadmaps. Mentor staff and senior engineers, raising the technical bar through code reviews and pair programming. Partner with Produ

Required Skills