Senior Analyst, Data Science - Temporary Worker

Job Description: About the Team: The primary focus of dentsu’s Data Science team is to devise robust yet simple, actionable solutions to drive our clients’ business goals. Our clients see us as trusted advisors and depend on our subject matter expertise to enhance decision-making through our constantly evolving customer analytics capabilities. About the Role: For this role, we are looking for a Senior Analyst who is deeply experienced in the application of advanced statistical and data engineering methodologies in both theory and practice for a variety of customer analytics applications. Candidates should be intellectually curious and pragmatic self-starters who possess demonstrable experience leading projects through to completion. Location: San Francisco/Bay Area or New York Work Arrangement: Hybrid - 3 days in-office Start Date: ASAP Duration: ~12 months Responsibilities Define marketing goals, success metrics, learning agendas, and measurement strategies that translate business questions into clear analysis plans. Own campaign measurement from pre-launch planning through in-flight monitoring and post-campaign evaluation, proactively identifying performance issues and recommending optimizations. Design, execute, and analyze A/B tests, holdout tests, geo experiments, and brand lift studies, including hypothesis development, success metrics, sample-size and power calculations, test validation, and actionable recommendations. Integrate consumer sentiment, survey responses, and behavioral data to develop audience insights that inform targeting and messaging. Translate findings into recommendations on campaign strategy, media optimization, and investment; guide stakeholders in interpreting results and applying insights to business decisions. Develop scalable models, dashboards, reporting tools, AI-enabled automations, and measurement infrastructure that support multiple campaigns and evolving business needs. Drive analytical tool development from scoping and brainstorming through prototyping and deployment. Partner with marketing, media, research, growth, product, and data engineering teams to prioritize opportunities, align delivery plans, and present recommendations to leadership. Lead focused research and knowledge-sharing initiatives, evaluating new methodologies and tools that improve analytical quality, efficiency, and marketing effectiveness. Requirements Bachelor's degree in a quantitative field, such as Statistics, Mathematics, Computer Science, or Data Science, or equivalent practical experience. 3+ years of experience in data science, analytics, or a related quantitative role. Advanced SQL skills and experience querying, analyzing, and validating large datasets. Proficiency in Python or R, with experience using relevant analytical and visualization libraries. Python examples include pandas, NumPy, statsmodels, scikit-learn, and Matplotlib. Strong knowledge of statistical methods, including regression, hypothesis testing, experimental design, and causal inference, with hands-on experience designing and analyzing A/B tests and measuring marketing impact. Experience building and maintaining data pipelines and analytical datasets using SQL and Python, including data integration, transformation, validation, and automated reporting. Demonstrated ability to independently manage cross-functional stakeholder relationships, communicate progress and risks proactively, and translate complex findings into clear recommendations for non-technical audiences and leadership. Experience using AI tools such as Claude to support coding, analysis, automation, and analytical tool development, with careful validation of generated outputs. Preferred Qualifications Familiarity with geo experiments, brand lift studies, survey analysis, or marketing mix modeling. The hourly pay range for this position is ($45.61 - $61.00). The hourly pay rate for the successful candidate is based on a variety of factors, including relevant experience, knowledge, skills, and other factors permitted by law. Temporary employees are eligible for paid holidays in accordance with dentsu policy, as well as safe and sick time. This position is not eligible for any other benefits or other compensation. To begin the application process, please click on the “Apply” button at the top of this job posting. Applications will be reviewed on an ongoing basis, and qualified candidates will be contacted for next steps. Location: New York Brand: Ugam Time Type: Full time Contract Type: Temporary Dentsu is committed to providing equal employment opportunities to all applicants and employees. We do this without regard to race, color , national origin, sex , sexual orientation, gender identity, age, pregnancy, childbirth or related medical conditions, ancestry, physical or mental disability, marital status, political affiliation, religious practices and observances, citizenship status, genetic information, veteran status, or any other basis protected under applicable federal, state, or local law. Dentsu is committed to providing reasonable accommodation to, among others, individuals with disabilities and disabled veterans. 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