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Sr Data Scientist at PayPal

Dublin, Leinster, Ireland -

Full Time

Start Date

Immediate

Expiry Date

23 Jan, 26

Salary

0.0

Posted On

25 Oct, 25

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Data Science, Machine Learning, Python, SQL, ML Libraries, AI/ML, Operations, Risk, Fraud, Root Cause Analysis, Anomaly Detection, Incident Forensics, MLOps, Communication Skills, Collaboration, Mentoring

Industry

Software Development

Description

Lead the development and implementation of advanced data science models. Collaborate with stakeholders to understand requirements. Drive best practices in data science. Ensure data quality and integrity in all processes. Mentor and guide junior data scientists. Stay updated with the latest trends in data science. Minimum of 5 years of relevant work experience and a Bachelor's degree or equivalent experience. 5+ years of experience in data science or machine learning, with at least 2 years applying AI/ML to operations, risk, or fraud domains. Strong proficiency in Python, SQL, and ML libraries (e.g., scikit-learn, XGBoost, PyTorch, TensorFlow). Experience with LLMs, prompt engineering, RAG pipelines, or AI agents is a strong plus. Deep understanding of root cause analysis, anomaly detection, or incident forensics. Proven ability to translate business problems into data science solutions. Familiarity with MLOps tools and concepts (e.g., model serving, observability, retraining). Excellent communication skills and a collaborative mindset. Bachelor's or Master's in Computer Science, Statistics, Engineering, or related field. PhD a plus.

Responsibilities

Lead the development and implementation of advanced data science models while collaborating with stakeholders to understand requirements. Drive best practices in data science and ensure data quality and integrity in all processes.