Job Description

Expert Lead Rulewriting | Tribe Fraud NL

ING is looking for an Expert Lead Rulewriting to join our Fraud NL tribe in the Netherlands. Fraud NL is responsible for safeguarding the bank and its customers against fraud by designing and continuously improving high-impact fraud detection capabilities across all ING NL channels. In this role, you contribute to protecting millions of customers and securing high-volume, real-time financial transactions every day, ensuring that ING remains at the forefront of fraud detection.

Your role & responsibilities

As Expert Lead Rulewriting, you will lead the Rulewriting team in the Netherlands. This team is responsible for the design, implementation, and maintenance of fraud detection rules for online banking, debit cards, and credit cards. You will combine deep subject-matter expertise with people leadership and strategic influence.

People leadership

You are the hierarchical manager of the Rulewriting team and are responsible for developing, coaching, and growing a group of highly skilled Rule Writers. You actively stimulate continuous improvement in both individual capabilities and the team’s way of working.

Expert role

You are the go-to expert for complex fraud detection challenges within ING NL. This includes rule design, the interaction between rules and models, data usage, and the impact of new processes on fraud detection. You act as a trusted advisor to stakeholders across Fraud, Risk, and Technology.

Cross-functional collaboration

You work closely with Fraud Service Center (Operations & Call), Fraud Investigators, Data Science teams, IT engineers, Risk stakeholders, and Rule Writers in other countries. You play a key role in aligning detection strategies and ensuring effective end-to-end fraud mitigation.

Leadership team contribution

As a member of the Tribe Fraud NL Leadership Team, you contribute to the strategic direction of the tribe, co-create the vision on fraud detection, and influence key decisions that shape our future capabilities.

Who are we looking for?

We are looking for a senior professional who combines strong analytical expertise with leadership capabilities:

• A proven track record (8–10 years) in fraud analysis and rule implementation within a banking environment, preferably using a complex event-driven risk engine such as RiskShield
• Strong analytical skills, supported by an academic degree in a quantitative field (e.g. Mathematics, Physics, Computer Science, Econometrics or equivalent)
• Proven expertise in designing, optimizing, and maintaining fraud detection rules, with a strong focus on detection effectiveness, data usage, and balancing fraud risk versus customer impact
• In-depth knowledge of ING systems and architecture, including Kafka, relevant APIs, and payment systems
• Demonstrated ability to coach and develop junior and medior Rule Writers
• Ability to contribute to strategic decision-making within the Fraud NL Leadership Team and influence detection strategy and priorities
• A collaborative mindset and the ability to operate effectively in a complex stakeholder environment
• A strong drive to share knowledge, mentor others, and build a high-performing team
• Strong communication skills, fluent in both Dutch and English

What do we offer?

• Expert Lead Rulewriting position in GJA18
• An informal and dynamic working environment with highly experienced fraud professionals
• Extensive opportunities for personal development and career growth
• This role is classified as sensitive; an Enhanced Reliability Screening will be part of the hiring process
• The position is based in the Netherlands (Leeuwarden)

How to apply

You can express your interest by submitting a letter of application together with your current CV.