Senior Data Analyst - Fraud Prevention

Навыки

• Решения на данных
• Лидерство
• Обучаемость
• Machine Learning
• Мониторинг и observability
• Python
• Роадмап

О компании и продукте

• Care to change the world - We are passionate about our work and care deeply about its impact to be life changing.
• We do it for learners - For both Preply and tutors, learners are why we do what we do. Every day we focus on empowering tutors to deliver an exceptional learning experience.
• Keep perfecting - To create an outstanding customer experience, we focus on simplicity, smoothness, and enjoyment, continually perfecting it as every detail matters.
• Now is the time - In a fast-paced world, it matters how quickly we act. Now is the time to make great things happen.

Задачи

• Work with outputs from ML models to maintain and improve fraud prevention decision, balancing detection coverage against false positive rates
• Own the fraud rule lifecycle - designing, testing, and maintaining prevention rules, with a clear view of coverage, false positive trade-offs, and when to retire what's no longer working
• Partner with Fraud Operations to understand emerging abuse patterns and translate operational observations into analytical improvements
• Design and maintain alerting systems that identify threats early, giving the team time to respond before incidents escalate
• Forecast fraud losses and chargeback volumes, giving Finance and Risk leadership earlier visibility into projected exposure
• Define and own the north star metrics and KPIs for fraud prevention, ensuring reporting is clear, owned, and actionable at the executive level
• Act as the data bridge between Product and the Applied AI team - providing performance feedback that informs model updates and roadmap prioritisation
• Support the evaluation of third-party fraud prevention providers, bringing data-driven criteria to vendor assessments
• Collaborate with Data and Analytics Engineering to ensure fraud-related data is tracked, governed, and handled in line with PII requirements
• WE POWER PEOPLE’S PROGRESS
• At Preply, we’re all about creating life-changing learning experiences
• As Senior Data Analyst – Fraud Prevention, you will be the analytical bridge between Product, Fraud Operations, and the Applied AI team
• You will be the expert who turns model outputs and raw signals into actionable intelligence: rules, alerts, forecasts, and metrics that keep Preply’s marketplace safe and trustworthy
• Our Data Team https://www.linkedin.com/posts/preply_data-team-uncovered-activity-7232342101730971652-3ate/?utm_source=share&utm_medium=member_desktop is dedicated to empowering top-quality decision-making
• Do you want to know how?
• Visit our Tech Radar https://tech-radar.preply.com/ to learn about the technologies we use at Preply!

Требования

• 4+ years of experience in fraud analytics, risk analysis, or a closely related payments/trust & safety domain
• Strong SQL and Python proficiency being comfortable writing analytical queries across large transactional datasets, building monitoring logic, and applying statistical techniques to fraud and risk problems
• Experience designing and maintaining dashboards or alerting systems with clear signal-to-noise discipline
• Strong analytical communication: able to turn ambiguous fraud signals into crisp, actionable narratives for operational and executive audiences
• Experience collaborating with cross-functional teams including Operations, Engineering, and Product
• Ability to leverage AI tools and agents as a force multiplier for analysis, while maintaining the critical thinking to interrogate outputs, spot gaps, and own the conclusions
• Experience mentoring junior and mid-level analysts helping them grow their technical skills, develop analytical judgement, and raise the quality of the team's output

Будет плюсом

• Prior experience working in a marketplace or two-sided platform
• Experience with payment processing concepts - chargebacks, dispute flows, authorisation rates, PSP dynamics
• Exposure to compliance or regulatory frameworks (PSD2/3, AML, KYC)

Условия

• An open, collaborative, dynamic, and diverse culture
• A generous monthly allowance for lessons on Preply.com http://preply.com/, Learning & Development budget, and time off for your self-development
• A competitive financial package with equity, leave allowance, and health insurance
• Access to free mental health support platforms
• The opportunity to unlock the potential of learners and tutors through language learning and teaching in 175 countries (and counting!)
• We’ve just reached unicorn status with a $150M Series D, accelerating our vision to transform education through human-led, AI-enhanced learning
• Today, 100,000+ tutors teach 90+ languages to learners in 180 countries - and we’re only getting started
• As a category-defining company, we’re shaping what the future of learning looks like at global scale
• Every Preply lesson sparks change, fuels ambition, and drives progress that matters
• Joining Preply means helping define the future of education at global scale, and building something that truly matters for millions of people, every day
• MEET THE TEAM

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