Félix · 2 weeks ago
Software Engineer (Fraud)
Félix is building a financial ecosystem for Latin immigrants in the U.S., focusing on revolutionizing remittances through an AI-powered chatbot. The Software Engineer will design and build scalable fraud detection systems, lead initiatives, and contribute to the architecture and product strategy in the Risk & Fraud domain.
AppsArtificial Intelligence (AI)BlockchainFinTechMobile PaymentsNatural Language ProcessingPayments
Responsibilities
Architect and deploy high-throughput, low-latency fraud detection systems that protect our customers and capital in real-time
Take ownership of the fraud engine lifecycle—from initial data modeling and rule-setting to production monitoring and incident response
Work cross-functionally with Product, Compliance, Data Science, and Ops to translate complex risk patterns into automated technical solutions
Drive the integration of third-party data providers and internal services into a unified fraud decisioning platform
Collaborate with platform, infrastructure, and security teams to uphold compliance, scalability, and deployment best practices
Mentor junior engineers and uphold high standards for code quality, resilience, and system security as we scale our fintech infrastructure
Qualification
Required
5+ years of professional software engineering experience, with at least 2+ years working on fraud, risk, or financial crime prevention platforms
Proficiency in backend languages such as Python, Kotlin, Java, Golang, or similar
Experience building or working with platform systems, event-driven architectures and real-time processing systems (Kafka, Pub/Sub, Flink, or equivalent)
Deep understanding of fraud detection concepts, including: Risk scoring and rule engines, Fraud signals and feature engineering, Velocity limits, anomaly detection, Transaction monitoring, False positive/negative tuning
Strong knowledge of databases, caching, and system performance optimization
Hands-on experience with observability and alerting in high-sensitivity systems
Preferred
Exposure to regulatory concerns around KYC, AML, PSD2, 3DSecure, CCPA, GDPR, LGPD
Familiarity with integrating third-party providers like Seon, Sardine, Sift, Feedzai, or Socure
These are the applicable requisites, although equivalent competencies in any of the above will also be considered
Benefits
Initial stock options grant
Annual performance bonus
Health, dental, and vision plans
401(k)
Remote work environment, although we have offices in Miami and México City and would love to work in a hybrid model if you are up to it.
Continuous learning opportunities
Unlimited PTO
Paid parental leave
Empowering opportunities for growth in a dynamic entrepreneurial environment
Company
Félix
Félix is a chat-based platform that enables Latinos in the US to send money abroad.
H1B Sponsorship
Félix has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (6)
2024 (13)
Funding
Current Stage
Growth StageTotal Funding
$99.53MKey Investors
QED InvestorsCastle Island VenturesSwitch Ventures
2025-04-03Series B· $75M
2024-05-28Series A· $5.4M
2024-01-22Series A· $11.17M
Recent News
2025-11-19
2025-11-19
Company data provided by crunchbase