Senior Marketing Data Scientist

Harnham; Miami (FL); Hybrid; USD 95,000 - 145,000; Full time

Job summary

Harnham, a fintech-focused analytics partner, is seeking a Senior Marketing Data Scientist in a hybrid Miami role to scale marketing analytics and smarter customer acquisition decisions. You will connect paid media performance to acquisition, funded deals, credit performance, and profitability, partnering across marketing and leadership.

The role offers ownership and impact in a fast-growing environment, with cross-functional collaboration across marketing, credit, product, and analytics to

Qualifications

• 4–7+ years in Marketing Analytics or related fields.
• Strong SQL and Python skills.
• Deep understanding of paid media analytics (Google Ads & Meta).
• Experience with acquisition funnels, attribution, and experimentation.
• Strong analytical and statistical communication to stakeholders.

Responsibilities

• Analyze paid acquisition performance across channels, particularly Google Ads and Meta, to optimize marketing spend and ROI.
• Own full-funnel analytics, connecting campaign performance and lead generation to funded customers, acquisition quality, and downstream business outcomes.
• Develop and enhance marketing attribution, measurement frameworks, and customer acquisition models.
• Design and evaluate A/B tests and experiments to measure marketing effectiveness and identify growth opportunities.
• Leverage SQL, Python, and statistical techniques to uncover insights, build scalable reporting, and support commercial decision-making.
• Partner with marketing, credit, product, and analytics stakeholders to translate data into actionable recommendations.

Skills

SQL

Python

Paid media analytics

Attribution modeling

Tools

GA4

Google Ads

Meta (Facebook)

Job description

Location: Miami, FL (Preferred) | Salt Lake City, UT | Plano, TX

Work Arrangement: Hybrid

Compensation: Competitive base + bonus, dependent on experience

The Opportunity

We're partnering with a highly profitable, founder-led fintech company looking for a Senior Marketing Data Scientist to help scale its marketing analytics capabilities and drive smarter customer acquisition decisions.

This is an opportunity to go beyond traditional marketing reporting, connecting paid media performance to customer acquisition, funded deals, credit performance, and profitability. You'll work with marketing and financial datasets, influence marketing investment decisions, and partner closely with leadership in a fast-growing, entrepreneurial environment.

What You'll Do

• Analyze paid acquisition performance across channels, particularly Google Ads and Meta, to optimize marketing spend and ROI.
• Own full-funnel analytics, connecting campaign performance and lead generation to funded customers, acquisition quality, and downstream business outcomes.
• Develop and enhance marketing attribution, measurement frameworks, and customer acquisition models.
• Design and evaluate A/B tests and experiments to measure marketing effectiveness and identify growth opportunities.
• Leverage SQL, Python, and statistical techniques to uncover insights, build scalable reporting, and support commercial decision-making.
• Partner with marketing, credit, product, and analytics stakeholders to translate data into actionable recommendations.

What We're Looking For

• 4–7+ years in Marketing Analytics, Marketing Data Science, Growth Analytics, or Performance Analytics.
• Strong SQL and hands-on Python experience.
• Deep understanding of paid media analytics, particularly Google Ads and Meta.
• Experience with customer acquisition funnels, conversion analysis, attribution, and experimentation.
• Strong analytical and statistical skills with the ability to communicate findings to business stakeholders.

Nice to Have:

• Experience with Marketing Mix Modeling (MMM), Multi-Touch Attribution (MTA), or incrementality testing.
• Background in fintech, lending, insurance, or subscription-based businesses.
• Exposure to customer profitability, credit analytics, GA4, or modern cloud data platforms.

Why Join?

• Join a profitable, founder-led fintech investing in its growing data and analytics function.
• Work across marketing, financial, and customer datasets rather than traditional siloed marketing analytics.
• Influence strategic growth decisions with direct exposure to senior leadership.
• Enjoy a collaborative, entrepreneurial culture with significant ownership and opportunities for impact.