Data Scientist; Generative AI Focus

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Known is a modern marketing company powered by data science and creative insight.

Known’s Channel Data Science team embeds data scientists in our media buying practice to translate domain knowledge into smart tools that push the limits of advanced advertising. This role focuses on Generative AI initiatives to build tools that make media activation and consulting more efficient and effective.

• Explore, develop, and deploy Generative AI (LLM-based) tools for marketing applications such as content ideation, audience persona creation, automated reporting with natural language summaries, campaign strategy assistance, and enhanced customer insights.
• Develop new techniques—traditional ML models, optimization algorithms, LLM fine‑tuning and prompt engineering—to improve Known IP and create tools for our clients.
• Work with other data scientists and engineers to productionalize new tools, including GenAI‑powered applications.
• Stay current with advancements in Data Science and AI and identify opportunities for application in the marketing domain.

• A bachelors, masters or PhD from a well‑regarded college or university; STEM degrees preferred.
• Hands‑on experience doing quantitative analysis, statistical modeling, optimization and/or machine learning.
• Proven experience deploying Generative AI solutions, especially text‑based LLMs (e.g., OpenAI API or open‑source models).
• Experience utilizing Python and SQL.
• Experience building data science software or analytical workflows.
• Experience in advertising or ad‑tech is a strong plus, especially with GenAI applications.
• 2+ years (Masters/PhD) or 3+ years (Bachelors) of relevant experience.
• 1+ year of experience building data science software, ideally with AI/ML models.
• Academic projects, internships, or personal projects demonstrating application of modeling techniques preferred.

• Superb communication and presentation skills.
• Ability to translate business challenges into quantitative problems and solve them with whatever means necessary.
• Strong understanding of LLM capabilities, limitations, ethical considerations, and evolving landscape.
• Proven ownership of projects taken to completion.
• Commitment to managing the quality and accuracy of analytics.
• Experience working on a tech team with cloud technologies, version control, etc.
• Experience in advertising technology is a plus.

• Ability to prioritize time and work while multitasking on multiple projects.
• Desire to mentor and teach others.
• Collaborative attitude.
• Self‑motivated and exhibits initiative.
• Willing and able to learn quickly.
• Abundant intellectual curiosity and integrity.

• Unlimited paid time off.
• 401k with company matching and no vesting period.
• Annual bonuses.
• Generous medical plan.
• Paid parental leave.

Known is an equal opportunity employer and does not discriminate against employees or qualified job applicants on the basis of race, color, sex, age, national origin, religion, sexual orientation, gender identity, expression, status as a veteran, and any other protected class.

The base salary for this position is $110K - $130K. This range is posted in compliance with state and municipal Pay Transparency laws. In addition to base compensation, this role is eligible to receive additional Known benefits.