Top Tech Jobs & Startup Jobs in Los Angeles, CA

Serve as a technical advisor to prospective customers, supporting Account Executives with fraud and compliance discovery, customized product demonstrations, RFPs, security reviews, and solution designs. Collaborate with Product and Engineering to improve Sardine’s platform and sales processes. Communicate complex technical and business concepts to global clients and contribute to revenue growth in a remote-first environment.

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 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 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.

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

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.

As a Data Scientist at Sardine, you'll design and deploy data-driven solutions to prevent fraud, collaborating with clients and engineering teams to build and optimize machine learning models.

Lead a globally distributed QA team to define QA strategy, governance, and audit-ready processes for regulated banking clients. Drive test automation, CI/release gating, regression coverage, incident response, and partner with Professional Services for UAT and integration validation while reporting quality KPIs.

Lead the development of device intelligence and fingerprinting systems by designing backend services, collaborating on integrations, and applying advanced machine learning algorithms to enhance security and combat fraud.