Fraud Risk Manager Jobs in California (NOW HIRING)

About Thunes

Thunes is the Smart Superhighway for money movement around the world. Thunes' proprietary Direct Global Network allows Members to make payments in real-time in over 140 countries and more than 90 currencies. Thunes' Network connects directly to over 12 billion mobile wallets and bank accounts worldwide, via more than 350 different payment methods, such as GCash, M-Pesa, Airtel, MTN, Orange, JazzCash, Easypaisa, AliPay, WeChat Pay and many more.

Thunes' Direct Global Network differentiates itself through its worldwide reach, in-house Smart Treasury Management Platform and Fortress Compliance Infrastructure, ensuring Members of the Network receive unrivalled speed, control, visibility, protection, and cost efficiencies when making real-time payments globally. Members of Thunes' Direct Global Network include gig economy giants like Uber and Deliveroo, super-apps like Grab and WeChat, MTOs, fintechs, PSPs and banks.

Headquartered in Singapore, Thunes has offices in 15 locations, including Barcelona, Beijing, Dubai, London, Manila, Nairobi, Paris, Shanghai, Hong Kong, Miami, Johannesburg, Riyadh, San Francisco and Atlanta For more information, visit: https://www.thunes.com/

Role Context

We are seeking an experienced Fraud Risk Manager to lead the development and execution of our fraud prevention strategy. This role will own the design, implementation, and optimization of real time fraud controls, transaction monitoring, and operational fraud processes supporting both pay in and payout ecosystems in the digital economies, virtual worlds, and creator platforms.

The ideal candidate brings deep expertise in payments fraud, operations, and data driven decision making, with the ability to balance fraud mitigation, customer experience, and operational efficiency. This role will partner closely with Compliance, Product, Engineering, Operations, and external B2B customers to strengthen the overall fraud risk framework.

• Develop and maintain the enterprise fraud risk program across pay in and payout payment flows.
• Define fraud risk appetite, control frameworks, and operational standards aligned with business objectives.
• Establish fraud prevention and detection strategies for ACH, cards, wallets, wires, and alternative payment methods.
• Design scalable fraud governance, escalation, and incident response procedures.

• Own configuration and optimization of real time fraud rules, velocity checks, behavioral monitoring, and transaction risk scoring.
• Implement and refine fraud detection models using transaction data, user behavior, device intelligence, and external risk signals.
• Monitor fraud trends, attack patterns, and emerging payment threats to proactively adjust controls.
• Lead fraud tuning exercises to improve detection accuracy while minimizing false positives and customer friction.

• Oversee fraud investigations, case management, and operational workflows across payment and payout channels.
• Partner with operations teams to improve alert handling, queue management, and SLA performance.
• Establish KPIs, reporting, and dashboards for fraud performance, operational efficiency, and loss trends.
• Support dispute, chargeback, account takeover, synthetic identity, and payment abuse investigations.

• Act as a fraud subject matter expert for B2B customers and internal stakeholders.
• Support customer onboarding and ongoing fraud risk reviews for high-risk clients, payment flows, and use cases.
• Provide recommendations to customers on fraud controls, transaction monitoring, and operational best practices.
• Assist with escalations related to fraud events, suspicious activity, and payment abuse.

• Collaborate with Product and Engineering teams to implement fraud tooling, integrations, and automation initiatives.
• Partner with Compliance, AML, and Risk teams to ensure alignment between fraud controls and regulatory obligations.
• Support vendor evaluations and management for fraud tools, KYC/KYB providers, and risk intelligence platforms.
• Contribute to audits, regulatory inquiries, and internal control assessments related to fraud risk management.

• 5+ years of experience in fraud risk management within payments, fintech, banking, or financial services.
• Strong understanding of payment ecosystems including cards, ACH, wallets, and payout platforms.
• Experience managing real time fraud monitoring systems and fraud decisioning tools.
• Knowledge of account takeover, synthetic identity fraud, first party fraud, chargebacks, and payment abuse trends.
• Experience with fraud vendors and tools such as Stripe Radar, Kount, Unit21, or similar platforms.
• Ability to analyze transaction data and translate fraud insights into operational controls and strategic recommendations.
• Strong stakeholder management and communication skills.
• Experience building fraud processes in high growth or evolving operational environments is preferred.

• Experience supporting B2B payment environments.
• Experience with SQL, BI tools, or fraud analytics platforms.
• Experience developing fraud metrics, dashboards, and executive reporting.