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Conduct applied research on foundation models for real-time fraud detection using large-scale behavioral and sequential data. Design experiments, benchmarks, holdouts, and monitoring systems; develop models from data preparation through deployment; and optimize training and inference efficiency. Collaborate with engineering, client-facing teams, legal, compliance, and customers to productionize models and establish explainability, governance, and risk documentation.

Own procurement as the company’s first in-house buyer, managing sourcing, vendor relationships, negotiations, contracts, renewals, and purchasing decisions across software, IT, marketing, travel, events, and professional services. Build procurement processes, improve spend visibility, drive savings, guide stakeholders, and coordinate vendor security, privacy, and contract-risk reviews with Finance, Legal, and Security.

Own new business sales for Sardine’s crypto vertical, targeting exchanges, wallets, custodians, on/off-ramps, stablecoin issuers, and blockchain ecosystems. Build pipeline through conferences and industry relationships, lead multi-stakeholder discovery, position integrated fraud and compliance solutions, and structure and close complex multi-module platform deals. The role requires crypto-specific buyer relationships, fluency in AML, KYC/KYB, and sanctions, collaboration with executives and Solutions Engineering, and frequent travel to conferences and client sites.

Manage full-cycle recruitment for go-to-market roles across the United States and Canada. Responsibilities include sourcing candidates, partnering with hiring managers on requirements and hiring strategies, advising on market conditions and recruiting funnels, managing candidate experiences, and improving recruiting processes. The role requires strong knowledge of B2B SaaS hiring, data-driven recruiting, ATS tools, People Operations, and fast-paced startup environments.

Manage a portfolio of B2B customers as their primary Sardine stakeholder. Advise clients on fraud, compliance, payments, and risk best practices; explain complex product and technology concepts; coordinate solutions with internal teams; monitor and communicate KPIs; analyze fraud typologies; and support strategic customer expansion while maximizing product ROI.

Lead end-to-end data and ML pipelines for onboarding and fraud decisions: ingest streaming and batch sources, build feature platform and entity resolution, productionize ML models, enforce PII/data governance, and set technical direction while mentoring engineers and ensuring low-latency, reliable serving.

Manage key customer accounts and ensure satisfaction by maximizing ROI from Sardine's fraud prevention products, while collaborating with internal teams.

Design and run evaluation frameworks to assess third-party vendor data for fraud detection. Build lift analyses, backtests, and champion/challenger tests; profile vendor datasets for quality and coverage; collaborate with fraud, product, and data engineering to define ingestion and testing requirements; translate findings into actionable recommendations and maintain an internal knowledge base; support ad hoc analyses on fraud trends and model performance.

Lead Sardine's federal GTM: build and qualify pipeline, manage capture cycles through contract award, engage agency stakeholders and SIs, coordinate demos with solutions engineering, maintain Salesforce pipeline, and represent the company at federal industry events.

Lead and scale a Support Engineering team handling complex API and payments issues, own incident response and SLAs, build operational processes, drive metrics and automation, partner cross-functionally, and hire and develop team members.