Senior Data Scientist

Responsibilities

• Collaborate across functional teams, including Product Managers, Software Engineers, Analysts, and Scientists to enhance the performance, delivery, and efficiency of Sojern's AI-driven marketing products.
• Lead scientific domain in experimentation projects from scoping, test design, implementation, measurement, and insights delivery.
• Apply statistical analysis, hypothesis testing, quasi-experimental techniques to rigorously evaluate experiments and draw actionable and data-driven conclusions.
• Use advanced scientific techniques e.g. Bayesian inferences, predictive modeling, optimization to identify trends and develop algorithms that optimize bidding strategies across marketing channels.
• Collaborate with engineers to deploy models in product and with analysts to embed insights into strategic decision-making.
• Communicate findings and recommendations to both technical and non-technical stakeholders, enabling faster and more informed decision-making.
• Identify opportunities to improve methodologies and processes as well as develop scalable solutions that drive impact, e.g. productionize modeling codes, build recyclable reporting templates.
• Contribute to data-driven product roadmap and scientific project prioritization.
• Train and mentor analyst members on scientific methodologies as needed to support team growth.
• Note: Daily responsibilities will vary depending on project type, including causal inference experiments or predictive modeling initiatives.
• Strong problem-solving and analytical skills to understand business problems, develop hypotheses, work with large datasets, and apply appropriate methodologies to drive data-informed decisions.
• Intermediate/advanced proficiency level in analytical tools and techniques:
• + SQL expertise for data collect, process, and analysis to identify trends and patterns. Python proficiency (e.g. pandas, statsmodels, sklearn, numpy, scipy, and other related libraries/packages) for data visualization, data analysis, and statistical modeling. Spreadsheet usage (e.g. Microsoft Excel, Google Sheets), including pivot function and complex formulas.
• Python proficiency (e.g. pandas, statsmodels, sklearn, numpy, scipy, and other related libraries/packages) for data visualization, data analysis, and statistical modeling.
• Spreadsheet usage (e.g. Microsoft Excel, Google Sheets), including pivot function and complex formulas.
• 2+ years of experience as a data scientist, ideally within the advertising technology ecosystem.
• Strong understanding of statistical concepts, measurement methods, and causal inference techniques e.g. randomized control trials, difference-in-differences, synthetic control modeling, time-series forecasting, hierarchical Bayesian, linear/nonlinear regression.
• Effective verbal and written communication skills to collaborate across-functionally and present insights to technical and non-technical audiences, influencing product roadmaps.
• Curiosity and initiative with a mindset of asking "why", and propose ideas that drive incremental impact.
• Ability to collaborate across time-zones and adjust priorities as needed.
• Attention to detail to ensure high quality of delivery in analytical tasks, documentations, and business requirement gathering.
• MS or PhD in a quantitative discipline (e.g. Economics, Statistics, Data Science, Applied Mathematics, Computer Science, Operations Research).
• Preferred: knowledge of digital marketing (e.g. paid media, targeting, attribution, impression, CPM, click through rate) and experience with Tableau or other visualization software.
• Opportunities: Be part of a growing team with training and support to help you grow
• Ownership: Lead creative and challenging projects
• Give Back: We give 20 hours a year to volunteer and organize office volunteer programs with local organizations
• Culture: Strong core business values, focus on teamwork, vibrant, social and fun environment
• Competitive Localized Benefits
• Time Off: Flexible vacation days
• SoEmpowered: Supporting, developing, and empowering those who identify as women at Sojern
• SoProud: Celebrating Sojern's LGBTQIA+ community while creating an inclusive and safe space for community members
• SoWell: Advocating for balance in life and overall wellbeing and providing space and resources for Sojernistas with different needs
• SoConnected: Creating space, connection and resources for Sojern's young and rising professionals
• Parents & Caregivers: Helping families thrive with our community of parents and caregivers
• Sojern Gives Back: Supporting underrepresented communities and social causes, striving to make a global and local impact