[Remote] Senior Data Scientist

Note: The job is a remote job and is open to candidates in USA. MNTN is a company that prioritizes its people and fosters a culture defined by shared values. They are seeking a Senior Data Scientist to develop methodologies and models that enhance identity resolution for Performance TV marketing, utilizing large-scale data science and AI-assisted development.ResponsibilitiesDesign and improve graph-based approaches for identity resolution across devices, households, and identifiers which improve match quality, coverage, and stability across a rapidly changing identity landscapeUse Scala, Spark, SQL, and cloud-native tools to analyze large identity datasets, build models, and productionize data science workflowsContribute production-grade code to shared repositories, using strong engineering practices to build clear, scalable, and maintainable systemsDefine validation strategies and measure model performance and business impact on targeting, measurement, and attributionHelp shape the team’s approach to identity science and partner across Engineering, Product, and Analytics to deliver production-ready solutionsLeverage LLMs, AI editors (Cursor, Copilot, Claude Code), and agentic workflows to accelerate research, prototyping, documentation, testing, and iterationApply privacy-by-design principles to ensure identity science work is auditable, compliant, and aligned with governance standardsSkills5+ years of experience in data science, machine learning, or applied research working with large-scale datasets in productionStrong experience building identity graphs, entity resolution systems, record linkage pipelines, or related graph-based matching systemsDeep expertise in Scala, Spark, SQL, and/or Python for distributed processing, model development, and experimentationStrong foundation in applied statistics, machine learning, graph algorithms, clustering, probabilistic matching, and model evaluationExperience productionizing data science solutions in partnership with engineering, including testing, monitoring, and reproducibilityExperience mentoring data scientists and helping define technical direction across a teamComfortable with AI-assisted workflows and modern development tools, including LLMsDeep ownership mindset - you care about correctness, explainability, scalability, observability, and maintainabilityEntrepreneurial, customer-first mindset - you connect identity science quality to marketing performance and attribution accuracyExperience in adtech, martech, measurement, attribution, or privacy-sensitive consumer data environmentsHands-on experience with Google Cloud Services and cloud-native data and ML tooling such as BigQuery, Dataproc, GCS, and KafkaExperience with graph algorithms and techniques such as label propagation, connected components, community detection, graph embeddings, and/or link predictionFamiliarity with privacy-enhancing technologies, data governance practices, and evolving identity standardsBenefits100% remote within the USFlexible vacation policyAnnual vacation allowance for travel related expensesThree-day weekend every month of the yearCompetitive compensation100% healthcare coverage401k planFlexible Spending Account (FSA) for dependent, medical, and dental careAccess to coaching, therapy, and professional developmentCompany OverviewMNTN Performance TV is a CTV advertising platform with targeting, measurement, and optimization for amplifying marketers' performance goals. It was founded in 2009, and is headquartered in Austin, Texas, USA, with a workforce of 201-500 employees. Its website is https://mountain.com.