Duplo| Full-time

CARD FRAUD ANALYST AT DUPLO- LAGOS

Lagos, Nigeria | Posted on 13/01/2026

About Company:

Duplo is building the platform to power the next generation of financial services. Our mission is to help companies expand financial access for all. Our simple and powerful banking-as-a-service API helps companies quickly launch financial products.

We are recruiting to fill the position below:

Job Description:

  • We’re looking for a Card Fraud Analyst (Acquiring) to join our team, with a strong focus on acquiring-side card fraud, merchant chargebacks, and investigations within our Atlas product.
  • This role sits at the intersection of fraud prevention, analytics, and product collaboration, helping to reduce fraud losses while maintaining a strong customer experience.

Key Responsibilities:
Card Fraud Prevention & Risk Management:

  • Safeguard customers against unauthorised card activity, scams, and payment instrument or account takeover fraud.
  • Analyse card fraud disputes and emerging trends to identify weaknesses or opportunities within existing fraud prevention rules
  • Review and enhance fraud controls across authorisation, post-authorisation, and tokenisation flows
  • Incorporate card scheme indicators and internal machine learning signals into static fraud rules to improve accuracy and effectivenes
  • Contribute to longer-term initiatives aimed at reducing card fraud and improving overall risk posture.
  • Partner closely with Product and Engineering teams to evolve the rule engine and improve the end-to-end fraud customer journey, from declines and alerts through to dispute submission.
  • Act as an escalation point for card fraud prevention topics for customer-facing Operations teams

Analytical & Strategic Capabilities:

  • Independently manage and prioritise competing workflows, including team initiatives and external escalations, delivering high-quality outcomes within agreed timelines.
  • Assess and articulate the impact of fraud rules on customer spend, approval rates, and user experience
  • Produce clear, high-quality analysis that directly addresses business and risk problems.
  • Navigate complex problem spaces and understand the trade-offs involved in fraud decision-making
  • Proactively propose and develop strategies to mitigate emerging fraud patterns or large-scale fraud events
  • Write, test, and maintain analytical code independently and collaboratively, ensuring it is readable, reusable, and well-documente
  • Test and validate fraud rule logic autonomously, and troubleshoot issues related to code, data, or risk engine behaviour.
  • Continuously learn and apply new analytical tools, techniques, and methodologies.

Communication & Collaboration:

  • Clearly explain analyses, decisions, and recommendations to teammates and immediate stakeholders.
  • Present fraud trends, insights, and learnings in a concise and structured manner
  • Support and collaborate with peers, sharing knowledge and best practices where needed.

Incident & Risk Management:

  • Provide timely data, insights, and analysis to support fraud incidents and investigations.
  • Escalate risks that fall outside the Card Fraud remit or risk appetite to relevant internal or external stakeholders.

Requirements:

  • 4–5 years of experience in fraud prevention, risk management, or payments risk, with a strong focus on card fraud.
  • Solid understanding of card payment flows, including authorisation, post-authorisation, chargebacks e.t.c
  • Detailed understanding of the operational aspects of payment cards, mobile payments, the fintech and banking industry.
  • Strong problem-solving skills, with the ability to work independently in ambiguous or fast-paced environments.
  • Excellent written and verbal communication skills.
  • Solid understanding of payment gateways, acquiring banks, and merchant processors, including knowledge of network-specific chargeback procedures (Visa, Mastercard, etc.).

Salary

Very attractive

Application Closing Date: Not specified

Application Instructions:

CLICK ON THE LINK BELOW TO APPLY

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Job Information

Deadline

Not specified

Job Type

Full-time

Industry

Analyst

Work Level

Experienced

State

Lagos

Country

Nigeria

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