Fraud Rules Specialist (SQL) - 6 months contract

Mangopay; Warszawa; On-site; PLN 110,000 - 150,000; Full time

Job summary

Mangopay, a wallet-based payments platform, is looking for a Fraud and Compliance Rules Analyst to join its Compliance team in Warsaw. You will tune detection rules, monitor crypto-related activity, and translate regulatory requirements into precise system logic.

The role emphasizes data-driven impact analysis, strong SQL skills, and collaboration with cross-functional teams to strengthen anti-money laundering and fraud controls.

Qualifications

• Bachelor's degree in Finance, Business, Economics, Computer Science, or related field.
• Solid working knowledge of SQL for querying data and basic aggregation.
• Strong logical and critical thinking skills; ability to define problems and structure analyses.
• Keen interest in AML, Know Your Customer, and Fraud prevention regulations.
• Good written and verbal communication for documentation and collaboration.

Responsibilities

• Rules Implementation & Tuning: Assist in development, testing, and implementation of new or modified Compliance and Fraud detection rules and logic within monitoring systems.
• Crypto and Transaction Monitoring: Manage rules related to digital asset transactions and cryptocurrency-related activity.
• Typology Translation: Translate financial crime typologies and regulatory requirements into concrete system logic and rule definitions.
• Impact Measurement: Perform data-driven analysis to assess rule performance; measure alert volume, hit rate, and false positives.
• Cross-Functional Project Support: Support Compliance teams with ad-hoc data requests and analytical support.
• Compliance Documentation: Maintain documentation for all rules including rationale, specs, testing results, and benefits.

Skills

SQL

Analytical thinking

Communication

AML/KYC interest

Education

Bachelor's degree

Tools

ComplyAdvantage

Chainalysis

Elliptic

TRM Labs

Job description

Mangopay is a wallet-based payment infrastructure built specifically for organisations with complex, multi-party fund flows. A pioneer in multi-party payments. Our solution optimises fund flows on behalf of the organisations we work with using wallets as programmable, composable building blocks. Mangopay’s regulated platform collects payments, secures transactions and holds funds, splits money between the various parties in the funds flow, and ultimately manages the payout to service providers, sellers, and consumers. Platforms and fintechs using Mangopay regain control and transparency over multi-party payment flows, generate additional revenue, and improve operational efficiency. They can stay compliant while innovating and scaling.

Job Description

We are seeking a highly motivated and analytically minded Fraud and Compliance Rules Analyst to join our Compliance team. This position is central to our defense against money laundering and fraud, focusing on the management, tuning, and measurement of our detection rules. If you have a strong logical aptitude, solid SQL skills, and a keen interest in applying data analysis to solve complex regulatory and financial crime challenges, this is a great opportunity to start or accelerate your career in Compliance. Experience with ComplyAdvantage is a significant advantage.

Key Responsibilities

• Rules Implementation & Tuning: Assist in the development, testing, and implementation of new or modified Compliance and Fraud detection rules and logic within our monitoring systems (e.g., transaction monitoring, ComplyAdvantage sanction screening).
• Crypto and Transaction Monitoring: Specifically manage rules and alerts related to digital asset transactions and other cryptocurrency-related activities, ensuring effective detection of crypto-related money laundering typologies.
• Typology Translation: Support the translation of financial crime typologies and regulatory requirements into concrete, actionable system logic and rule definitions.
• Impact Measurement: Execute routine data-driven analysis to assess the performance of existing rules. Measure key compliance metrics such as alert volume, true positive rates (hit rate), and false positive rates.
• Cross-Functional Project Support: Act as a critical analytical resource, supporting various Compliance teams' projects, internal audits, and regulatory inquiries by fulfilling ad-hoc data requests and providing analytical support.
• Compliance Documentation: Maintain thorough and organized documentation for all rules, including the business rationale, technical specifications, testing results, and the compliance benefit of the logic.

Required

Qualifications and Skills

• Education: Bachelor's degree (or equivalent work experience) in a field that emphasizes critical thinking and data interpretation, such as Finance, Business, Economics, Computer Science, or a related field.
• Technical Skills: Solid working knowledge of SQL for querying data, performing joins, and basic aggregation. The ability to write and understand basic-to-intermediate SQL queries is essential.
• Analytical Aptitude: Demonstrated strong logical and critical thinking skills. Ability to clearly define a problem, structure an analysis plan, and articulate findings.
• Compliance Interest: A keen desire to learn about AML (Anti-Money Laundering), KYC (Know Your Customer), and Fraud prevention regulations and practices.
• Communication: Good written communication skills for documentation and verbal skills for collaborating with technical and compliance teams.

Preferred

• Prior experience working with a transaction monitoring, sanctions screening, or fraud detection system.
• Familiarity or direct experience with blockchain analytics and tracing tools such as Chainalysis, Elliptic, or TRM Labs.
• Basic understanding of financial services operations and transaction flow.
• Familiarity with common financial crime typologies.

Additional Information

• HR Call
• Interview 1 - Senior Fraud Analyst
• Interview 2 - Head of Compliance

Founded in 2013, Mangopay is the wallet-first infrastructure for multi-party payment flows, designed to give platforms the control, scalability, and revenue opportunities they need to thrive. Mangopay offers programmable wallets that mirror real-world multi-party experiences, enabling platforms to hold, split, and move funds across buyers, sellers, and partners, while unlocking new monetization streams. With over €160 billion processed, 700 million wallets created, and 350 million users onboarded, Mangopay has demonstrated scale and reliability. Leading platforms like Vinted, Mirakl, Wallapop, Chrono24, and Debenhams use Mangopay to power complex flows, double transaction volumes, and streamline global operations.