Senior Data Scientist (NYC)

BoldVoice
New York
Workplace: OnsiteFull timeUSD 140,000 - 220,000 annuallyFunction: Data Science & Machine LearningExperience: 6+ yearsSkills: ["Statistical judgment","Product focus","Experimentation rigor","Self-serve enablement"]

Own how the company defines, measures, and improves product performance—setting experiment metrics, running A/B tests with statistical rigor, and deciding what ships next. Build the shared metric layer across activation, trial-to-paid conversion, retention, LTV, and learning outcomes. Use behavioral and speech-scoring data to develop models for churn/conversion, lesson recommendation, and personalization, partnering closely with growth and the speech ML team to measure impact in the wild.

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BoldVoice
BoldVoice
3 weeks ago

Senior Data Scientist (NYC)

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Source: Company careers pageValidated by: Fursa AI
Last checked: 22 hours agoStatus: Live

Job Summary

Own how the company defines, measures, and improves product performance—setting experiment metrics, running A/B tests with statistical rigor, and deciding what ships next. Build the shared metric layer across activation, trial-to-paid conversion, retention, LTV, and learning outcomes. Use behavioral and speech-scoring data to develop models for churn/conversion, lesson recommendation, and personalization, partnering closely with growth and the speech ML team to measure impact in the wild.
Location: New York
Workplace: Onsite
Employment Type: Full time
Job Function: Data Science & Machine Learning
Seniority: Mid level

Key Responsibilities

  • •Own experimentation end to end: design A/B tests, define metrics up front, analyze results with statistical rigor, and decide what ships.
  • •Build and own the metric layer across activation, trial start, trial-to-paid conversion, retention curves, LTV, and learning outcomes.
  • •Run deep dives to identify what drives retention, lesson impact, and churn patterns across user groups.
  • •Turn behavioral and speech-scoring data into models used by the product, including churn/conversion propensity, lesson recommendation, and learning-path personalization.
  • •Partner with growth and the ML team to measure paid acquisition performance and speech model quality in the wild.

Pay and Benefits

Salary: USD 140,000 - 220,000 annually
Equity and Bonus:Equity
Perks:Health InsuranceDentalVision401kEquity

Key Requirements

  • •At least 5 years in data science or product analytics, ideally in a consumer subscription app or fast-moving startup.
  • •Deep experimentation experience including power analysis, variance reduction (e.g., CUPED), multiple comparisons, and knowing when A/B tests aren’t possible.
  • •Strong SQL and Python (pandas, scikit-learn, statsmodels or equivalent) with experience querying production databases.
  • •Fluency with the consumer subscription funnel: install-to-trial-to-paid, cohort retention, LTV, and paid acquisition measurement.
  • •Experience with product analytics and experimentation tooling (they use Mixpanel and GrowthBook on top of PostgreSQL).
Experience:6+ yearsConsumer subscriptionProduct analyticsExperimentationSpeech/audio ML
Skills:Statistical judgmentProduct focusExperimentation rigorSelf-serve enablement
Tech Stack:SQLPythonPandasScikit-learnStatsmodelsMixpanelGrowthBookPostgreSQLClaude CodeCursorCodex

Eligibility

Nationality:US National
Work Authorization:Authorization required. Sponsorship not provided.

Company Brief

BoldVoice
BoldVoice is a communications and PR agency that delivers public relations, content strategy, media relations, and influencer engagement to help brands and organizations build visibility, reputation, and audience engagement.
Industry: Professional Services
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