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About the Role

As a Senior Data Scientist embedded within the marketing and growth function, you will be the analytical backbone for user acquisition, retention, and growth. You will build models, dashboards, and analyses to drive smarter spending, sharper targeting, and a deeper understanding of players. A core part of this role involves measuring the true impact of marketing and promotional investments, focusing on long-term effects on player behavior, retention, and lifetime value. This position requires a blend of data engineering, modeling, and storytelling, working directly with leaders to translate data into business decisions.

Responsibilities

Build and maintain predictive models for marketing strategy, including player LTV, churn risk, CAC payback, and propensity-to-convert.
Own marketing attribution and incrementality analysis across various paid channels.
Quantify the causal impact and long-term business value of promotions, bonuses, and lifecycle campaigns.
Apply causal inference techniques to evaluate marketing investments where A/B tests are not feasible.
Partner with growth marketers to design, run, and analyze experiments.
Develop and maintain dashboards for real-time visibility into channel performance, cohort behavior, promo ROI, and funnel health.
Clean, structure, and validate data across the marketing stack and collaborate with data engineering to enhance data models.
Translate complex analyses into clear, actionable recommendations for non-technical stakeholders.
Identify opportunities to automate, improve, and scale data usage within the marketing team.

Requirements

5+ years of experience as a data scientist, marketing analyst, or growth analyst, preferably in consumer app, gaming, fintech, or subscription businesses.
Strong SQL skills and experience with large, messy behavioral datasets.
Hands-on experience building predictive models in Python (LTV, churn, propensity, segmentation) using libraries like scikit-learn or XGBoost.
Experience evaluating the long-term and incremental impact of marketing and promotional spend.
Working knowledge of causal inference methods and their appropriate applications.
Solid understanding of marketing measurement concepts: attribution, incrementality, holdouts, cohort analysis, and unit economics.
Experience with experimentation, including test design, sizing, and statistical analysis.
Proficiency with at least one BI/visualization tool (e.g., Looker, Tableau, Mode, Sigma).
Strong communication skills to explain complex analyses to both technical and non-technical audiences.
A bias toward action and delivering practical solutions efficiently.

Skills

Predictive modeling
Marketing strategy
Player LTV modeling
Churn risk modeling
CAC payback modeling
Propensity-to-convert modeling
Marketing attribution
Incrementality analysis
Causal inference
Experiment design
A/B testing
Geo-testing
Holdout studies
Creative testing
Dashboard development
Self-serve reporting
Data cleaning
Data structuring
Data validation
SQL
Python
scikit-learn
XGBoost
BI/visualization tools
Communication skills
Mobile measurement partners (AppsFlyer, Adjust, Singular)
Paid media APIs
Cloud data warehouses (Snowflake, BigQuery, Redshift)
dbt
Promo and bonus economics modeling

Location

Remote

Work Type

Remote
Full-time

Experience Level

Senior

Salary/Compensations

$135,000 - $160,000

Benefits

Competitive compensation package
Base salary
Equity
Unlimited/Flexible paid time off
Medical coverage
Dental coverage
Vision coverage
Generous parental leave
Employee-sponsored 401(k)
$500 work-from-home stipend
Equipment & Accessories
Opportunity for professional development
Supportive, collaborative, and knowledge-driven workplace
Engaging and challenging role with freedom to innovate

About the Company

Fliff unpacks sports gaming into social, free-to-play games for all types of sports fans.
We've built a social sports gaming experience that allows users to compete for leaderboard positioning, to achieve badges and build their status within the game.
We are pioneering play-for-fun sports gaming, with our flagship social sportsbook experience that includes sweepstakes promotions and loyalty rewards.
We provide sports fans with fun, engaging, and free-to-play alternatives to real money gaming.
Fliff is redefining the sports gaming experience by blending the fun of social play with the thrill of real-money competition.
What began as a pioneering social sportsbook has evolved into a multi-vertical platform that is the fastest-growing brand in sports gaming.
We are building a world-class ecosystem of sports gaming experiences that span social, sweepstakes, and real-money formats.
We are a multinational company with our headquarters based in Philadelphia, and offices in New York, Austin, and Sofia, Bulgaria.
We pride ourselves on being a close-knit, focused team that is welcoming and friendly.
The work that we do is always interesting and rewarding.

Equal Opportunity

Fliff is an equal-opportunity employer.
We celebrate diversity and are committed to creating an inclusive environment for all employees.
All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.