Sr. Data Scientist

About the role

Senior Data Scientists at Brunner lead advanced analytics projects across multiple clients. They are instrumental in contributing to the agency’s R&D initiatives, applying cutting-edge approaches to maintain best-in-class marketing services. You will work directly with internal teams and external clients to help grow their businesses through optimized marketing, using applied statistical techniques, high-quality production deployment, and effective communication.

Your projects will address marketing problems such as identifying best markets or customers, estimating, optimizing, and forecasting marketing campaign performance, processing unstructured data, and predicting behavior. Data management tasks include data acquisition, ingestion, transformation, loading, and quality control. You will support the improvement of the project lifecycle by helping to create or develop proprietary software tools.

Senior Data Scientists are trusted confidants of clients and internal leaders, responsible for project success.

Responsibilities

• Selecting features, building, and optimizing models using machine learning and AI
• Data mining
• Expanding and improving our data resources
• Processing, cleansing, and verifying the integrity of data used for analysis
• Developing clear and meaningful presentations with effective, audience-relevant visualizations
• Creating automated systems and tracking their performance
• Making critical contributions to the development of new, innovative tools and services
• Building client rapport and identifying new opportunities for engagements

Requirements

• 3 – 5 years of experience in a data science role
• Bachelor’s or Master’s degree in a program with a heavy emphasis on quantitative analysis or programming, such as analytics or data science, economics, physics, mathematics or statistics, computer science, engineering, or a quant emphasis in social science (psychology, sociology, policy, etc.)

Skills

• In-depth, hands-on experience with commonly used modeling procedures including regression, classification, forecasting, and optimization
• Understanding of how to apply supervised and unsupervised machine learning algorithms, with a commitment to regular self-improvement to update your knowledge
• Proficiency with Python, SQL, relational databases, and an IDE such as VS Code or PyCharm
• Proficiency in the application of AI tools (LLM prompts, agents, and coding extensions) to improve the efficiency and quality of your workflow
• Experience with data visualization tools such as Tableau, PowerBI, or related Python packages
• Ability to integrate code with REST APIs and external data sources; comfortable working with API documentation

Preferred candidates will also have experience with:

• Building and deploying data pipelines and ETL workflows
• Processing unstructured data such as text or images
• Cloud environments such as AWS, Azure, or Google Cloud
• Version control systems such as GitHub

About the company

Brunner is an integrated marketing communications agency with a fast-paced, creative environment. We value Perseverance, Integrity, Tenacity, Curiosity, and Heart in every aspect of our business. We foster growth within our team through robust training, low attrition, and a commitment to diversity. We aim to become an extension of our clients’ teams, maintaining long-term relationships and creating great marketing programs that achieve business impact.

Benefits

• Health, dental, and vision insurance
• 401k plan
• Life insurance
• Commuter and transit benefits
• Employee wellness benefit
• Unlimited PTO
• Half-day summer Fridays
• Holiday time off

Schedule

Flexible Work Policy: Work where it's most convenient for you—in-office, at home, or a hybrid of both. Occasional in-office visits may be required for client or agency-wide meetings.

Environmental Demands

Normal office environment. Ability to sit for extended periods, including extensive use of PC equipment.