Sr Data Scientist

PayPal; City Of London; Hybrid; GBP 70,000 - 90,000; Full time

Job summary

A leading financial technology company based in London is seeking a skilled Senior Data Scientist. The role focuses on developing innovative machine learning solutions utilizing Python and Graph Neural Networks. Candidates should have a passion for impactful projects and a strong background in customer segmentation and recommendation systems. This position offers a flexible work environment with comprehensive benefits aimed at supporting employee well-being and diversity.

Benefits

Flexible work environment

Employee shares options

Health and life insurance

Qualifications

• 5+ years of experience in developing and optimizing machine learning models.
• Expertise in Graph Neural Networks for various applications.
• Experience with transformer models like BERT and GPT.

Responsibilities

• Develop and optimize machine learning models using Python.
• Work with expertise in Graph Neural Networks.
• Build customer segmentation and recommendation systems.

Skills

Machine learning models development

Python

Graph Neural Networks

TensorFlow

Keras

PyTorch

Customer segmentation

Recommendation systems

Job description

Description

We are seeking a highly skilled Senior Data Scientist with a deep understanding of advanced machine learning techniques and frameworks. The ideal candidate will have extensive experience in Python, graph neural networks, and scalable machine learning pipelines. If you are passionate about developing innovative solutions and driving impactful projects, we want to hear from you!

Key Responsibilities

• 5+ years experience in developing and optimizing machine learning models using Python with TensorFlow, Keras, and / or PyTorch.
• Expertise in Graph Neural Networks (GNNs) for node and link prediction, graph embedding, and graph-based classification.
• Proven experience in customer segmentation and / or recommendation systems tailored to client needs.
• Work with transformer models (e.g., BERT, GPT) in real applications, parti

Benefits

At PayPal, we’re committed to building an equitable and inclusive global economy. And we can’t do this without our most important asset—you. That’s why we offer benefits to help you thrive in every stage of life. We champion your financial, physical, and mental health by offering valuable benefits and resources to help you care for the whole you.

We have great benefits including a flexible work environment, employee shares options, health and life insurance and more. To learn more about our benefits please visit.

Commitment to Diversity and Inclusion

PayPal provides equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, pregnancy, sexual orientation, gender identity and / or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state, or local law. In addition, PayPal will provide reasonable accommodations for qualified individuals with disabilities. If you are unable to submit an application because of incompatible assistive technology or a disability, please contact us at.

Belonging at PayPal

Our employees are central to advancing our mission, and we strive to create an environment where everyone can do their best work with a sense of purpose and belonging. Belonging at PayPal means creating a workplace with a sense of acceptance and security where all employees feel included and valued. We are proud to have a diverse workforce reflective of the merchants, consumers, and communities that we serve, and we continue to take tangible actions to cultivate inclusivity and belonging at PayPal.