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System Data Analytics Specialist (Fraud / Callsign Optimization)

Capitex
London

Quick apply

Job details

Fixed term contract

Qualifications

Power BI
SAS
Arabic
Data structures
English
Tableau
SQL
Machine learning
APIs
Data visualisation
Communication skills
Banking
Python

Full job description

Job Title: System Data Analytics Specialist (Fraud / Callsign Optimization)

Location: Remote (Global)
Contract Duration: 6 months (with possible extension)
Client: Leading Saudi Arabian Bank
Type: Contract / Consultant

About the Role

We are seeking a System Data Analytics Specialist with deep technical expertise in fraud analytics, digital identity systems, and Callsign platform optimization. The ideal candidate will have hands-on experience configuring, tuning, and optimizing Callsign or similar fraud detection and authentication systems within a banking or financial services environment.

You will play a key role in enhancing the accuracy, performance, and effectiveness of fraud detection rules and behavioral analytics. Working closely with fraud strategy, risk, and technology teams, you’ll ensure the Callsign system is delivering maximum protection with minimal customer friction.

Key Responsibilities

System Optimization & Tuning
- Calibrate and fine-tune the Callsign fraud detection and authentication engine for optimal performance.
- Analyze data models, risk signals, and rule outputs to identify false positives/negatives and optimize model thresholds.
- Work on continuous improvement of Callsign workflows, journeys, and intervention logic.

Data Analysis & Insights
- Conduct deep analytics on fraud event data, behavioral biometrics, and system logs.
- Build dashboards, performance metrics, and reporting pipelines to monitor Callsign efficacy.
- Collaborate with fraud analytics teams to detect trends and emerging threats.

Technical Implementation
- Configure system integrations between Callsign and core banking systems, APIs, or orchestration layers.
- Support the deployment of new fraud scenarios and machine learning models.
- Manage test environments, perform regression testing, and validate production changes.

Stakeholder Collaboration
- Liaise with fraud strategy, IT security, and vendor teams to drive performance improvements.
- Document configurations, model changes, and system updates.
- Provide expert guidance on Callsign data structures, risk scoring, and orchestration capabilities.

Required Skills & Experience

Mandatory:
- Proven experience working directly with Callsign (configuration, tuning, or analytics).
- 5+ years of experience in fraud prevention, risk analytics, or authentication systems in the banking sector.
- Strong SQL, Python, and data visualization skills (e.g., Power BI, Tableau).
- Familiarity with behavioral biometrics, device fingerprinting, and event-based fraud modeling.
- Excellent analytical mindset and ability to interpret complex data flows.
- Strong communication skills in English (Arabic is a plus).

Preferred:
- Experience with machine learning models used for fraud or risk scoring.
- Exposure to other fraud platforms (e.g., ThreatMetrix, Feedzai, SAS Fraud Management).
- Knowledge of regulatory environments in MENA banking and SAMA compliance standards.

What’s Offered

Fully remote engagement – work from anywhere.
6-month contract, with possibility of renewal.
Opportunity to work with a top-tier Saudi financial institution on a strategic fraud prevention initiative.
Competitive daily rate, commensurate with experience.

Quick apply

Refine Your Search

minimal risk consultants jobs in london

System Data Analytics Specialist (Fraud / Callsign Optimization)

Senior Information Governance Security Consultant

Facilities and Estate Officer

Angular Developer with Python and AWS

Food Service Design Manager

Senior Regulatory Change Implementation Specialist - 2026

Global IT Senior Director - Enterprise Architect for Data

IT Manager - Application/Infrastructure

Senior Regulatory Reporting Specialist - 2026

D365 CE & Power Platform Support Consultant

Senior Planner

Senior Project Manager - Data Centre Delivery (End to End)

Embedded Regional Corporate Security Manager

HSSE Manager

Dual Asbestos Surveyor / Analyst

Sales Consultant

Workday Engagement Manager (UK based)

Sonographer

Professional Services Senior Consultant

Head of Asset Investment, Analysis & Sponsorship

I want to receive the latest job alerts for minimal risk consultants in london

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