klaviyo

Lead Data Science Analyst, GTM Strategic Analytics and Insights

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At a Glance

Location
Boston, Massachusetts, United States
Experience
6+ years
Posted
2026-07-22T09:00:29-04:00

Key Requirements

Required Skills

Data ScienceGitMachine LearningPythonSQLTableau

Domain Knowledge

  • E-commerce
  • Education
  • Engineering
  • Finance
  • SaaS

Requirements

of professional experience in an advanced analytics or data science role; SaaS experience strongly preferred

statistical inference and modeling

, including supervised techniques (regression, classification, gradient boosting, decision trees) and unsupervised techniques (clustering, PCA, anomaly detection, topic modeling)

Hands-on experience designing and deploying

AI/LLM-based solutions

, including prompt engineering, fine-tuning, RAG pipelines, or LLM-integrated analytics workflows; you approach new problems with an AI-first mindset

Responsibilities

Build and maintain advanced models

: Build and maintain advanced predictive and time-series models: design, train, deploy, and monitor models across use cases such as demand forecasting, capacity planning, deal scoring, and customer propensity; incorporate seasonality, exogenous drivers, and backtesting frameworks to ensure accuracy and robustness

: lead deep-dive analyses leveraging regression, causal inference, hypothesis testing, correlation analysis, and other statistical methods to surface actionable signals from complex, large-scale datasets

Develop AI/LLM-powered solutions

: architect and implement AI-first analyses and tooling using large language models, prompt engineering, retrieval-augmented generation (RAG), and related techniques to automate insight generation, surface qualitative signals at scale, and augment team capabilities

Own forecasting and decision systems: