# Senior Data Scientist

**Company:** [DuckDuckGo](https://hotfix.jobs/companies/duckduckgo)
**Location:** Remote
**Role:** Data Science
**Salary:** $179k – $179k/yr
**Experience:** 7+ years
**Skills:** Python, SQL, Machine Learning, NLP, LLMs, BigQuery, ClickHouse, Redshift, Druid, Experiment Design, Statistical Modeling
**Posted:** 2026-03-13

> Senior Data Scientist drives impact via statistical modeling, ML/NLP deployment, experiment design for search, AI, and revenue. Requires 7+ years experience, production Python/SQL, handling sparse privacy-constrained data.

## Job Description

## Responsibilities
- Drive product and business impact through statistical modeling, experiment design, and classifier implementation across search engine, instant answers, AI, and revenue optimization.
- Collaborate cross-functionally to validate direction through data, run and advise experiments, and become expert in core metrics like searches, installs, and revenue.
- Own key pieces of the data pipeline, identify and resolve data integrity issues, and implement derived data features for internal users.

## Requirements
- 7+ years of experience in Data Science with track record of leading high-complexity projects from scoping to production with minimal direction.
- Deploy and iterate ML and NLP solutions in production, working knowledge of LLMs including fine-tuning, LLM-as-judge, and AI-assisted development.
- Write production-grade code in **Python** or comparable high-level language.
- Advanced **SQL** and query optimization skills, familiarity with columnar databases like **BigQuery**, **Clickhouse**, **Redshift**, or **Druid**.
- Design, implement, and analyze experiments across product surfaces, derive insights from sparse or privacy-constrained data.
- Collaborate effectively with product teams and contribute to team throughput.

## Nice-to-Haves
- Experience with a BI tool like **Tableau** or **PowerBI**.

## Compensation
- **$178,500 USD** annually and stock options. Compensation identical within professional levels regardless of location.

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