Senior Data Scientist, Fraud Detection — Remote & EU Flex

Client Server; Madrid; Híbrido; EUR 59.000 - 72.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Flexible working

Remote work in EU

DEI programs

Descripción de la vacante

Client Server is seeking a Senior Data Scientist (Fraud Detection) based in Madrid with flexible working arrangements. You will design and improve fraud detection systems, prioritising high-risk claims and balancing detection accuracy with efficiency.

You will collaborate with fraud analysts, engineers and product managers to translate insights into practical detection strategies. The role offers up to €65,000 with bonus potential and a flexible WFH policy.

Formación

• Experience in analytical fraud detection in Insurance, Finance or Law Enforcement sectors.
• Strong knowledge of network analysis, anomaly detection or risk scoring and segmentation to real fraud problems.
• Strong Python programming skills, especially in the data domain, and fluent use of Git.
• Good knowledge of Spark, SQL or other data-oriented programming language and libraries such as Pandas, Keras, XGBoost, LightGBM.

Responsabilidades

• Design and improve fraud detection systems that prioritise high risk claims, optimising detection accuracy and operational efficiency.
• Develop deep expertise in fraud dynamics and translate insights into detection and prevention strategies.
• Collaborate with fraud analysts, engineers and product managers to deliver effective solutions.

Conocimientos

Fraud detection experience

Network analysis

Anomaly detection

Risk scoring

Risk segmentation

Python

Git

Spark

SQL

Pandas

Keras

XGBoost

LightGBM

Collaboration

Communication

Herramientas

Python

Git

Spark

SQL

Pandas

Keras

XGBoost

LightGBM

Descripción del empleo

Client Server is seeking a Senior Data Scientist (Fraud Detection) based in Madrid with flexible working arrangements. You will design and improve fraud detection systems, prioritising high-risk claims and balancing detection accuracy with efficiency.

You will collaborate with fraud analysts, engineers and product managers to translate insights into practical detection strategies. The role offers up to €65,000 with bonus potential and a flexible WFH policy.