Thang Le

Thang Le Senior Machine Learning Engineer @ Klaviyo | Python, Go, React | Lifelong Learner Boston, Massachusetts, United States (US) 500 connections • 772 followers About Machine Learning Engineer II at Klaviyo, working in the DataScience Platform team. Focused on building and maintaining the infrastructure that powers machine learning at Klaviyo. Total Experience: 6 years and 7 months Experience Klaviyo(https://www.linkedin.com/company/klaviyo) Senior Machine Learning Infrastructure Engineer (Current) Jan 2026 - Present (6 months) in Boston, MA Department: Engineering and Technical Machine Learning Infrastructure Engineer II Nov 2025 - Jan 2026 (2 months) in Boston, MA Department: Engineering and Technical • Level: Specialist Machine Learning Engineer II Oct 2024 - Nov 2025 (1 year and 1 month) in Boston, Massachusetts, United States Designed and deployed a next-generation Orchestration Platform using Prefect OSS to support scalable ML/LLM workflows within Klaviyo AI & Analytics. Built distributed workload pipelines utilizing Ray on Kubernetes alongside a persistent state machine service backed by MySQL to handle complex ML training. Drove operational excellence and Black Friday Cyber Monday readiness through comprehensive Locust performance testing and optimized CI/CD infrastructure by migrating to Buildkite, significantly reducing build times. Championed continuous learning by leading the "Learning Ray" book club, actively participating in the "Designing Data-Intensive Applications" reading group, and mentoring engineers on best practices in software engineering. Department: Engineering and Technical • Level: Specialist Klaviyo (KVYO) is a Marketing Services company. Klaviyo CRM is a CRM platform built for B2C businesses that helps them harness powerful data to see their customers clearly and build smarter digital relationships. Klaviyo has 2,000-3,000 employees (+4-5% YoY) and has annual revenue in the $1B-$2B rang