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Lead Data Scientist - Recommendations

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Scribd

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Location:
United States; Canada; Mexico , Atlanta

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Contract Type:
Not provided

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Salary:

133000.00 - 252500.00 USD / Year

Job Description:

Scribd’s Data & Analytics team is hiring a Lead Data Scientist to own measurable outcomes across our recommendation surfaces – translating product goals into metrics, leading roadmap bets, and shipping lifts in business results. You’ll define the offline/online contract end-to-end, design and run experiments, diagnose why variants win or lose, and build prototype models while partnering with Engineering to productionize. You’ll map goals to metrics with clear success criteria, focus on opportunity sizing and measurement, and apply an AI lens (LLMs, embeddings) where it demonstrably improves retrieval, ranking, or understanding—shaping how millions engage with our global content library.

Job Responsibility:

  • Opportunity mapping. Size and prioritize new recs surfaces, intents, and cohorts
  • trace the funnel and analyze by slice (cold items, long-tail users, platform) to steer the roadmap
  • Own the evaluation framework. Define north star & guardrails (e.g. diversity, novelty, duplication, safety)
  • set threshold and tradeoffs, and publish the Objective & Eval Contract per surface
  • Offline/Online alignment. Quantify correlation between offline IR metrics (e.g., NDCG@K, MAP, MRR, coverage, calibration) and online KPIs by surface/cohort
  • publish error bounds and monitor metric drift
  • Create leading indicators. Create short-horizon metrics that predict long-term outcomes (e.g., trial to bill-through)
  • backtest and run post-hoc causal checks, reporting uncertainty
  • Build the measurement architecture. Set identity & attribution standards (user_id vs. device_id, qualifying events, windows) so downstream metrics (bill-through, churn) are trustworthy
  • Design and run advanced experiments such as interleaving tests, pre-register stop/go criteria, and deliver crisp readouts that drive decisions
  • Codify schemas, freshness, leakage, and drift checks with Analytics and Data Engineers, establish high quality datasets for Recs algo
  • Evaluate when LLMs/embeddings (topics, summaries, semantic similarity) measurably improve offline/online metrics
  • prototype and hand off clear build specs to ML Eng
  • Storytelling and influence. Write decision memos, align cross-functional teams, and drive clear decisions with trade-offs and risks called out

Requirements:

  • 8+ years experience in Data Science, preferably on recs/search/ranking with shipped impact
  • Strong Python and SQL
  • comfort with Spark
  • Fluency in ranking evaluation (NDCG@K, MAP, MRR, calibration, coverage/diversity) and awareness of exposure/selection bias
  • Fluency in experiment design and connecting offline metrics to online outcomes
  • Ability to translate product goals into loss functions, features, and specs engineers can build

Nice to have:

  • Familiarity with LLMs/embeddings evaluation in offline and online
  • embeddings/vector search assessment for lift vs. latency/cost
What we offer:
  • Healthcare Insurance Coverage (Medical/Dental/Vision): 100% paid for employees
  • 12 weeks paid parental leave
  • Short-term/long-term disability plans
  • 401k/RSP matching
  • Onboarding stipend for home office peripherals + accessories
  • Learning & Development allowance
  • Learning & Development programs
  • Quarterly stipend for Wellness, WiFi, etc.
  • Mental Health support & resources
  • Free subscription to the Scribd Inc. suite of products
  • Referral Bonuses
  • Book Benefit
  • Sabbaticals
  • Company-wide events
  • Team engagement budgets
  • Vacation & Personal Days
  • Paid Holidays (+ winter break)
  • Flexible Sick Time
  • Volunteer Day
  • Company-wide Employee Resource Groups and programs that foster an inclusive and diverse workplace
  • Access to AI Tools: We provide free access to best-in-class AI tools, empowering you to boost productivity, streamline workflows, and accelerate bold innovation

Additional Information:

Job Posted:
February 18, 2026

Employment Type:
Fulltime
Work Type:
Remote work
Job Link Share:

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