Lead Data Science Analyst, GTM Strategic Analytics and Insights

Boston, MA (On-site)

$120K/yr – $180K/yrSenior Level6+ years expFull time

Posted 6 weeks ago

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Job Summary

Own core analytics that power forecasting, decision systems, and AI-first insights across GTM planning and growth.

  • Forecast end-to-end demand and capacity planning with robust backtesting.
  • Architect AI/LLM powered analyses and RAG workflows to surface signals at scale.
  • Collaborate with Systems, GTM, BI, Product, and Finance to deploy scalable analytics.

Job Description

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
  • Apply statistical rigor : 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: Own end-to-end forecasting and operational decision systems, including time-series demand forecasting, capacity planning models (e.g., Erlang-based staffing), and production pipelines that power GTM and Support planning workflows; ensure reliability, scalability, and business adoption of outputs
  • Drive customer intelligence : develop and maintain prospect, deal health, archetype, and capacity models that inform GTM strategy, planning, and growth initiatives
  • Define the measurement framework : identify, create, and steward benchmarks and metrics that meaningfully represent growth, engagement, and success outcomes
  • Communicate with impact : distill complex analyses into clear, cohesive narratives with executive-ready materials that drive decisions at the senior leadership level
  • Collaborate cross-functionally : partner with Systems & Engineering, GTM Operations, Rev Ops & Planning, Product, Business Intelligence, Data Science, and Finance to ensure analytical solutions are integrated, scalable, and trusted

Requirements

  • 6+ years of professional experience in an advanced analytics or data science role; SaaS experience strongly preferred
  • Deep expertise in 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
  • Familiarity and experience with distributed coding projects, including using Git for code management
  • Advanced proficiency in Python (pandas, numpy, scikit-learn, xgboost, statsmodels, and LLM/AI libraries such as LangChain, OpenAI SDK, or HuggingFace) and SQL ; working knowledge of DBT
  • Own and scale end-to-end data pipelines, including orchestration with Airflow and transformation/modeling with dbt; design reliable, testable, and modular workflows that support production-grade analytics and machine learning use cases, with a focus on performance, data quality, and maintainability.
  • Develop and iterate on time-series forecasting frameworks using approaches such as ARIMA/SARIMAX, ETS, MSTL, and machine learning-based models; evaluate performance through rigorous backtesting and continuously improve model accuracy and business applicability
  • Experience building data visualizations and dashboards across platforms such as Tableau, ThoughtSpot, matplotlib, seaborn, plotly, or similar tooling.
  • Strong project ownership : experienced operating to a roadmap, managing milestones and deliverables, and delivering high-quality work product in a timely manner
  • Comfortable with autonomy and ambiguity , with a proactive orientation toward identifying and solving problems before they're fully defined
  • Excellent written and verbal communication skills , including experience preparing materials for executive audiences

Nice to have

  • SaaS experience strongly preferred

Benefits

  • comprehensive range of health, welfare, and wellbeing benefits based on eligibility.
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Klaviyo

3.7 Glassdoor

Klaviyo (NYSE: KVYO) is the B2C CRM. Powered by its built-in data platform and AI, Klaviyo combines marketing automation, analytics, and customer service into one unified solution, making it easy for businesses to know their customers and grow faster. Klaviyo (CLAY-vee-oh) helps over 176,000 brands like Mattel, Glossier, Daily Harvest, and Liquid Death deliver 1:1 experiences at scale, improve efficiency, and drive revenue.

Founded in 2012
Boston, Massachusetts, USA
2.9K employees (330 in marketing)
67% recommend to a friend
74% CEO approval

Traffic Signals

Monthly Visitors
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Monthly Google Ads Budget
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Traffic Source Mix
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77%
Referral
4.3%
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1%
Paid
0.7%

Headcount Trend

Current headcount: ~2.8K

Marketing Team

Marketing Team Size
256 (9% of company)
Median Career Experience
14 years
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2.4 years
Marketing Roles Posted (Last 30 Days)
11

Funding

Total Funding
$1.3B
Last Raise
$195.1M
Post IPO Secondary, 7 months ago

Funding History

  • Aug 2025
    Post IPO Secondary • $195.1M
  • May 2025
    Post IPO Secondary • $372.9M
  • Sep 2022
    Secondary Market

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