{"id":140247,"url":"https://alion.io/job/capitex-system-data-analytics-specialist-fraud-callsign-optimization","title":"System Data Analytics Specialist (Fraud / Callsign Optimization)","company":{"id":8523,"name":"Capitex","domain":"capitex.co.uk","url":"https://alion.io/company/capitex","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":{"grade":"D","score":50,"open_postings":97,"ghost_share":0.835,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-31T05:58:55Z"}},"role":"Data Science","role_family":"Data Science","seniority":null,"employment_type":"contractor","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":["London, United Kingdom"],"countries":["GB"],"hiring_countries":["AE","GB","SA"],"hiring_countries_total":3,"salary":null,"salary_estimate":{"min_usd":64000,"max_usd":147000,"period":"year","method":"role_country_seniority_unknown","sample_n":202},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Machine Learning","optional":false},{"name":"Power BI","optional":false},{"name":"Python","optional":false},{"name":"SQL","optional":false},{"name":"Tableau","optional":false},{"name":"SAS","optional":true}],"status":"live","first_seen_at":"2025-10-13T00:00:00Z","employer_posted_date":"2025-10-13","last_verified_at":"2026-10-31T13:47:05Z","board_verified":true,"closed_at":null,"days_open":383,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":383},"description":"Job Title: System Data Analytics Specialist (Fraud / Callsign Optimization)\nLocation: Remote (Global)\nContract Duration: 6 months (with possible extension)\nClient: Leading Saudi Arabian Bank\nType: Contract / Consultant\nAbout the Role\nWe 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.\nYou 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.\nKey Responsibilities\n System Optimization & Tuning \n Calibrate and fine-tune the Callsign fraud detection and authentication engine for optimal performance. \n Analyze data models, risk signals, and rule outputs to identify false positives/negatives and optimize model thresholds. \n Work on continuous improvement of Callsign workflows, journeys, and intervention logic. \n Data Analysis & Insights \n Conduct deep analytics on fraud event data, behavioral biometrics, and system logs. \n Build dashboards, performance metrics, and reporting pipelines to monitor Callsign efficacy. \n Collaborate with fraud analytics teams to detect trends and emerging threats. \n Technical Implementation \n Configure system integrations between Callsign and core banking systems, APIs, or orchestration layers. \n Support the deployment of new fraud scenarios and machine learning models. \n Manage test environments, perform regression testing, and validate production changes. \n Stakeholder Collaboration \n Liaise with fraud strategy, IT security, and vendor teams to drive performance improvements. \n Document configurations, model changes, and system updates. \n Provide expert guidance on Callsign data structures, risk scoring, and orchestration capabilities. \nRequired Skills & Experience\n Mandatory: \n Proven experience working directly with Callsign (configuration, tuning, or analytics). \n 5+ years of experience in fraud prevention, risk analytics, or authentication systems in the banking sector. \n Strong SQL, Python, and data visualization skills (e.g., Power BI, Tableau). \n Familiarity with behavioral biometrics, device fingerprinting, and event-based fraud modeling. \n Excellent analytical mindset and ability to interpret complex data flows. \n Strong communication skills in English (Arabic is a plus). \n Preferred: \n Experience with machine learning models used for fraud or risk scoring. \n Exposure to other fraud platforms (e.g., ThreatMetrix, Feedzai, SAS Fraud Management). \n Knowledge of regulatory environments in MENA banking and SAMA compliance standards. \nWhat’s Offered\n Fully remote engagement - work from anywhere. \n 6-month contract, with possibility of renewal. \n Opportunity to work with a top-tier Saudi financial institution on a strategic fraud prevention initiative. \n Competitive daily rate, commensurate with experience.","description_format":"text","description_chars":3233,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"All levels","optional":false}]},"benefits":[],"hiring_locations":[{"name":"United Arab Emirates","iso":"AE","kind":"country"},{"name":"United Kingdom","iso":"GB","kind":"country"},{"name":"Saudi Arabia","iso":"SA","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Recruiting & Staffing","Executive Search"],"lifecycle":[{"event":"open","at":"2025-10-13T00:00:00Z"}],"visa":[],"liveness":{"score":3,"band":"cold","label":"Long shot","p_open":1,"p_active":0.116,"p_room":0.28,"age_days":383,"expected_fill_days":27,"reasons":["conf:0","stale_co","ghost","win:tail","crowd:"],"computed_at":"2026-10-31T05:58:55Z"},"pay":null,"html_url":"https://alion.io/job/capitex-system-data-analytics-specialist-fraud-callsign-optimization","json_url":"https://alion.io/job/capitex-system-data-analytics-specialist-fraud-callsign-optimization.json","meta":{"generated_at":"2026-10-31T14:57:53Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":23315,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-01T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":8523},"rest":"https://alion.io/mcp/rest/get_company?id=8523"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcapitex-system-data-analytics-specialist-fraud-callsign-optimization"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fcapitex-system-data-analytics-specialist-fraud-callsign-optimization"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fcapitex-system-data-analytics-specialist-fraud-callsign-optimization"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/capitex-system-data-analytics-specialist-fraud-callsign-optimization\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcapitex-system-data-analytics-specialist-fraud-callsign-optimization"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":140247}},{"tool":"search_jobs","arguments":{"company":"capitex.co.uk","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":140247},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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