Senior Data Scientist

Let's build the future of AI & Data, together At Data Wizards, we're focused on 3 things:

Data, AI & you.

We're a small team who genuinely love digging into data that makes a real difference for the companies we work with, and who want to discover how AI and data can help companies out there.

Why join us?

Apart from tackling exciting challenges with passionate people in an environment that wants to see you thrive, you'll be part of a young company that keeps its feet on the ground, its eyes on the stars, and believes the best growth comes from the unique magic each Wizard brings.

We are continuously on the lookout for bright data engineers, data scientists, machine learning engineers, AI engineers, and data analysts. But this job description is for Senior Data Scientists out there feeling the magic in them and ready to spread it

We are currently looking for a senior data scientist for a fraud detection project where you would do:

Strengthening our fraud models by improving how we collect, label, structure and engineer features from complex transactional and behavioral data

Designing, building and continuously refining fraud detection models using machine learning, graph analytics, anomaly detection and behavioral analytics

Turning large volumes of transactional and customer data into actionable fraud intelligence through feature engineering, data enrichment and pattern discovery

Partnering with Fraud Operations, Risk, Compliance and Product teams to spot emerging fraud trends and translate business needs into scalable analytical solutions

Digging into complex fraud schemes, uncovering new attack vectors and building proactive detection strategies that protect the business financially and reputationally

But being a consulting company, we can't know in advance what your exact responsibilities will be

You’re a step closer to joining our team if you bring:

Background

At least 5 years of experience in data science, with a solid grounding in fraud detection, ideally within the financial sector

A Master's degree in a quantitative field such as statistics, computer science or engineering. A PhD is a plus, and candidates with a different academic background but strong analytical skills are equally welcome

Technical Skills

Hands-on experience processing large-scale, complex transactional and behavioral datasets using SQL, Python (Pandas) and distributed processing frameworks such as Spark or Hadoop

Proven ability to apply supervised and unsupervised machine learning, anomaly detection, graph analytics and network analysis to detect, investigate and prevent fraud. Experience with generative AI is a plus

Strong Python skills, with experience deploying AI applications into production; familiarity with Java is a plus

Soft Skills

Autonomous & Proactive:

You take initiative and drive projects forward.

Curious & Adaptive:

You embrace learning and thrive in dynamic environments.

Solution-Oriented:

You balance technical rigor with business impact.

Clear Communicator:

You simplify complex ideas for diverse audiences.

Collaborative & Supportive:

You work well in teams.

Creative Thinker:

You find innovative solutions to challenging problems.

Languages:

Fluent in English, French and/or Dutch.

We know that finding the right job isn’t just about the role, it’s about what’s in it for you, too. While we’re a start-up, we’re big on taking care of our people right from day one.

Here’s a sneak peek at what we offer: A compensation package that keeps you motivated

Competitive salary

Mobility budget or company car with an electrical card

30 days of paid time off

A top-tier laptop & smartphone with a subscription

Representation allowances

Group, hospitalization & dental insurance

Meal vouchers & eco-cheques

Opportunity to earn company stock over time

A place to be your best self, grow, and thrive

Work with the most innovative technologies in Data & AI

Work in an agile, collaborative environment

Hybrid work model: up to 3 days per week

Monthly team-building events (plus one epic annual celebration)

Tailored training programs to fuel your career growth

A cool, ergonomic office with creative meeting spaces, a Nintendo Switch for spontaneous Mario Kart battles, a massage chair for those deep-thinking moments and fresh coffee & drinks to keep you energized

And most importantly, an organic-growing company where you are in control of your own path

Our Recruitment Process:

Quick intro call with our HR team (5')

Culture check: HR Interview (30')