> Markdown version of [/jobs/ext/1425841-lead-data-scientist-decision-sciences-identity](https://www.wearedevelopers.com/jobs/ext/1425841-lead-data-scientist-decision-sciences-identity). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead, Data Scientist - Decision Sciences Identity... - **Company:** Publicis Groupe - **Location:** Chicago, IL, United States - **Experience:** Expert - **Salary:** $87,100.0 - **Contract:** Temporary contract - **Skills:** Artificial Intelligence, Amazon Web Services, Amazon S3, Big Data, Cloud Database, Computer Programming, Dataspaces, Data Structures, Distributed Systems, Apache Hadoop, Information Retrieval, Python (Programming Language), Machine Learning, Natural Language Processing, Scala (Programming Language), SQL Databases, Large Language Models, Apache Spark, Generative AI, Information Technology, Production Code, User Identification, Unsupervised Learning, Databricks - **Published:** July 24, 2026 - **Apply:** https://www.juju.com/job/00000000gj09zz ## About the Role + Ph.D. in Computer Science, Electrical Engineering, Statistics, Mathematics, Economics, Physics, Chemistry, Operations Research, or related quantitative field + Research experience and coursework in Machine Learning + Strong understanding of statistical, analytical, and predictive modeling techniques + Strong Python programming skills and experience with data structures, algorithms, and production-quality code development + 2+ years of relevant programming experience through academic research, internships, or industry work + Ability to code independently without AI as well as effectively leverage AI-assisted development tools + Proven ability to design, execute, and deliver research projects + Excellent communication and interpersonal skills, including ability to translate complex technical concepts for non-technical audiences + Self-motivated, highly organized, and collaborative, with the ability to manage multiple priorities in highly collaborative, team-oriented environments Additional, But Not Required Skills + Experience with graphs/networks and unsupervised clustering algorithms (community detection on graphs) + Experience working with large, complex datasets in research or production environments + Experience with distributed computing and large-scale data processing (Spark, Hadoop, Databricks, cloud databases) + Experience with cloud platforms and data ecosystems (AWS, S3, Databricks) + Proficiency in SQL, Scala, Spark libraries, and advanced database querying + Familiarity with LLMs, Generative AI, and agentic frameworks + Experience in one or more advanced domains: Community Detection on Graphs, Unsupervised Learning, NLP, Information Retrieval, Mathematical Optimization, Control Theory, Time-Series Analysis, or Causal Inference + Ability to partner with business and technical collaborators to deploy algorithms into production platforms + Experience translating research innovations into scalable, customer-facing products + Additional research experience in computational fields such as data science, AI/ML, statistics, computer science, or graph algorithms ## Description Epsilon's Decision Sciences Identity (DSI) team seeks a PhD-level Lead Research Scientist to advance the Identity Resolution Platform that powers real-time digital marketing at internet scale. You will contribute to research and development initiatives that expand identity capabilities across Epsilon's marketing businesses, transforming novel ideas into production technologies with measurable business impact. This role sits at the core of Epsilon's identity platform, tackling complex, ambiguous problems using large-scale data. Working closely with engineering and product teams, you will apply analytical rigor, creativity, and strong computer science fundamentals to develop scalable identity solutions that improve marketing performance for leading brands. Responsibilities + Individually contribute to data science and machine learning R&D projects + Use data science, machine learning, and/or computer science skills to conduct research and contribute to solutions to technology and business problems + Contribute to projects from early-stage research through development + Implement and optimize innovative algorithms in distributed environments ## Related Videos - [Alibaba Big Data and Machine Learning Technology](https://www.wearedevelopers.com/videos/37-alibaba-big-data-and-machine-learning-technology) - [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail) - [WeAreDevelopers LIVE - CSS is DOOMed](https://www.wearedevelopers.com/videos/1838-wearedevelopers-live-css-is-doomed) - [Cutting LLM Costs Without Cutting Quality: How to Beat Proprietary LLMs with Fine-Tuned Open Source](https://www.wearedevelopers.com/videos/100151-cutting-llm-costs-without-cutting-quality-how-to-beat-proprietary-llms-with-fine-tuned-open-source) - [PySpark - Combining Machine Learning & Big Data](https://www.wearedevelopers.com/videos/44-pyspark-combining-machine-learning-big-data) - [Hate organising your photos? Try it with 5 Terabytes](https://www.wearedevelopers.com/videos/79-hate-organising-your-photos-try-it-with-5-terabytes) ## Related Articles - [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer) - [What Industries Outside of AI Are Hiring The Most AI Experts?](https://www.wearedevelopers.com/magazine/98-what-industries-outside-of-ai-are-hiring-the-most-ai-experts) - [Got AI ideas but no money? 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