Gramian Consultancy is a boutique consultancy specializing in IT professional services and engineering talent solutions. With a strong background in software engineering and leadership, we help companies build high-performing teams by matching them with professionals who truly fit their needs.
Senior Data Scientist
Location
Mexico
Posted
41 days ago
Salary
0
Seniority
Senior
Job Description
Senior Data Scientist
Gramian Consulting Group
Role Description We are looking for an experienced Senior Data Scientist to join a high-impact Ads Data Science team focused on scaling and optimizing a rapidly growing advertising marketplace. Advertising is a core revenue driver, and this role sits at the heart of building a high-performance, data-driven marketplace ecosystem — where advertisers, users, and platform dynamics interact in real time. You will work on problems such as auction dynamics, pricing, targeting, relevance, and marketplace efficiency, leveraging large-scale data and advanced modeling techniques to drive measurable business impact. Commitments Required: 8 hours per day with an overlap of 4 hours with PST. Employment type: Contractor or FTE Duration of contract: long-term, but with 3-month increments based on performance Responsibilities - Design and apply data science and machine learning solutions to improve ads marketplace performance - Analyze large-scale datasets to uncover patterns in marketplace behavior (bidding, pricing, engagement, conversion) - Develop models for prediction, anomaly detection, and optimization - Define and track core marketplace metrics (supply/demand balance, auction efficiency, advertiser value) - Build data assets (tables, dashboards, self-serve tools) to empower product and engineering teams - Partner with Product and Engineering to translate marketplace challenges into DS solutions - Design and analyze A/B experiments and causal inference frameworks to validate impact - Communicate insights and recommendations to cross-functional stakeholders Qualifications - 5+ years of experience in Data Science, Machine Learning, or Applied Statistics - Strong experience working on marketplace platforms (e.g., ads platforms, ride-sharing, e-commerce, or similar two-sided ecosystems) - Deep understanding of marketplace dynamics (auction systems, pricing, supply/demand, ranking, or allocation problems) - Strong foundation in statistical modeling, machine learning, and experimental design - Experience with large-scale data processing (e.g., Spark, Hadoop, Hive, or BigQuery) - Advanced proficiency in SQL and working with large relational datasets - Strong programming skills in Python (preferred) or R - Experience building and interpreting A/B tests and causal inference models - Ability to work with cross-functional teams and influence product decisions through data Nice to Have - Experience in online advertising / ad tech ecosystems - Experience with auction optimization, bidding strategies, or ranking systems - Familiarity with real-time systems or large-scale recommendation systems - Experience building self-serve analytics tools or data platforms
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