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Lead Data Scientist, Fraud Modelling

Impact.com
CompanyImpact.com
CategoryData & Analytics
LocationCape Town
RemoteOn-site (inferred)
EmploymentNot stated
LevelLead
SalaryNot stated by the employer
Posted19 Jun 2026
Last verified30 Jul 2026
SourceEmployer career page (greenhouse)
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Description
About impact.com impact.com is the world’s leading commerce partnership marketing platform, transforming the way businesses grow by enabling them to discover, manage, and scale partnerships across the entire customer journey. From affiliates and influencers to content publishers, brand ambassadors, and customer advocates, impact.com empowers brands to drive trusted, performance-based growth through authentic relationships. Its award-winning products— Performance (affiliate), Creator (influencer), and Advocate (customer referral)—unify every type of partner into one integrated platform. As consumers increasingly rely on recommendations from people and communities they trust, impact.com helps brands show up where it matters most. Today, over 5,000 global brands, including Walmart, Uber, Shopify, Lenovo, L’Oréal, and Fanatics, rely on impact.com to power more than 225,000 partnerships that deliver measurable business results. About the Role We're seeking a Lead Data Scientist specializing in Fraud and Risk to join our Cape Town Data Science team. In this role, you'll be at the forefront of protecting our affiliate marketing ecosystem by researching, developing, and deploying ML models that detect and prevent fraud across attribution, lead quality, and partner compliance. You'll work on high-impact problems spanning traditional fraud patterns and emerging threats—from attribution manipulation to browser extension abuse—while building production systems that scale. This is an opportunity to combine rigorous analytical work with tangible business impact in a fast-moving, adversarial domain. Core Responsibilities Research & model development Conduct R&D on fraud detection and risk monitoring across the digital advertising ecosystem, including attribution fraud, lead fraud, click injection, browser extension abuse (e.g., Honey-style coupon hijacking), brand safety violations, and creator authenticity verification. Design, prototype, and validate ML models and rule-based systems for fraud detection, partner risk scoring, compliance monitoring, and trust & safety workflows. Research and apply graph-based fraud detection techniques (community detection, link analysis, behavioral clustering) and explore graph database applications for modeling relationships between users, devices, transactions, and partners to uncover coordinated fraud rings and suspicious network patterns. Stay ahead of emerging fraud patterns through continuous learning—monitoring industry trends, reviewing academic literature, exploring data for novel anomalies, and collaborating closely with Product, Compliance, and Trust & Safety teams. Production deployment & iteration Deploy Fraud and Risk ML models to production; own the end-to-end delivery from ETL, feature engineering, model training, deployment, to monitoring. Iterate on live models by adding new features, improving performance (precision/recall/F1), and reducing false positives. Partner with MLOps and Engineering to ensure models are robust, scalable, and production-ready (testing, alerts, drift monitoring, retraining pipelines). Data analytics & insights Perform deep-dive analyses on fraud trends, partner behavior, and risk patterns to inform model strategy and business decisions. Translate analytical findings into actionable recommendations for Product, Marketing, and Finance stakeholders. Build dashboards and reports to communicate model performance, fraud impact, and risk metrics to leadership. Cross-functional collaboration Work closely with Product, Engineering, Compliance, and Finance to scope requirements, prioritize work, and align on success metrics. Communicate technical work clearly to non-technical audiences; present findings and tradeoffs in planning forums and reviews. Contribute to a culture of experimentation, documentation, and knowledge sharing within the Data Science team. Qualifi
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