Antifraud & Detection Engineer
About The Role
We are looking for a senior hands-on specialist to design, implement, and operationalize fraud detection, fraud prevention, and investigation capabilities across our brokerage and digital asset environment.
You will work across client authentication, session security, trading activity, back-office operations, crypto treasury/custody workflows, and privileged internal actions. The role requires someone who can independently move from problem discovery to telemetry design, detection logic, workflow automation, preventive controls, and investigation playbooks
Reporting Line - Chief Information Security Officer
Worksite: Remote/ Hybrid/ On-site (options vary by location)
Responsibilities:
- Design, implement, and tune fraud detection controls across authentication, trading, crypto, and admin workflows (e.g., account takeover, session abuse, high-risk account changes), and deploy preventive measures like step-up authentication, velocity checks, and risk-based friction.
- Conduct end-to-end investigations using logs, SIEM, and data warehouse tools to reconstruct incident timelines, document findings for compliance/legal/regulatory review, and convert recurring patterns into playbooks and engineering requirements
- Define telemetry requirements, identify gaps in audit logging and event schemas, and partner with engineering teams to ensure fraud-relevant data is accurately captured and correlated
- Write advanced SQL/analytical pipelines, build fraud detection models and scoring systems, and monitor precision, recall, and model drift to ensure ongoing effectiveness and explainability
- Analyze trading platform workflows for exploitable weaknesses, detect abuse patterns (e.g., restriction bypass, coordinated activity), and collaborate on remediation designs
- Review and strengthen controls around crypto treasury/custody operations, detect wallet and approval workflow abuse, and support governance and transaction authorization processes
- Build alerting/triage workflows, define severity and routing criteria, maintain KRIs and dashboards, and drive post-incident improvements to strengthen controls and telemetry
Qualifications:
- 5+ years of experience in antifraud, fraud detection, security investigations, abuse prevention, or adjacent roles in fintech, brokerage, payments, crypto, or other high-risk online environments
- Strong understanding of authentication, session management, access control, MFA, and common account takeover techniques
- Experience investigating fraud or security incidents using multiple data sources, including logs, transactional data, and audit trails
- Ability to detect and analyze fraud patterns such as account compromise, suspicious sessions, insider misuse, social engineering fallout, and business logic abuse
- Strong SQL and data analysis skills; ability to work with large datasets and identify anomalies, patterns, and linked entities
- Experience with SIEM, log management, or similar analytical platforms
- Hands-on experience building or tuning fraud detection rules, risk scoring, alerting logic, or investigation workflows
- Experience with statistical methods or machine learning for fraud/anomaly detection
- Strong scripting/automation skills for data analysis, integrations, and prototyping
- Ability to work independently and deliver practical controls end-to-end, from analysis to implementation
- Good understanding of financial platforms, trading lifecycle, and operational risk concepts
- Awareness of crypto-related fraud risks, including exchange integrations, wallet operations, and approval workflows
- Strong written communication skills and ability to document investigations clearly for technical and non-technical stakeholders
Personality / Mindset
- Integrity & loyalty
- Team player with advanced communication and collaboration skills
- A hands-on, can-do attitude - always looking for solutions and thinking out of the box
- Overachiever mentality
- The capability to work and succeed in the fast pace and ever-changing environment
We offer*
- Competitive salary & performance-based bonus programs
- Corporate benefits (choose your preferred options)
- Truly inspiring culture, pleasant and informal work environment
- Ongoing education & training programs
- Opportunity to network and connect at the Corporate Events
- Global career opportunities
*Benefits/perks listed above may vary depending on the nature of your employment with the company and the country where you work
