דרושים United States, California, Research Scientist

Decision scientist Intern specializes in analysing user behaviours, creating and leveraging advanced proprietary risk management mechanisms. as an intern, you will overcome challenges presented by big data, evolving fraud techniques, new payment technologies and human behaviour.

In your role as a Decision Scientist Intern, you will:

• Master PayPal’s data warehouse to help gain insights into consumer risk
• Perform data-driven behaviour research andtransform the results to business cases
• Develop and own data-driven risk decision strategies to support PayPal’s global financial business goals
• Measure performance against KPIs and goals
• Close collaboration with partners and stakeholders in Risk and in PayPal to execute PayPal’s long-term strategy

What do you need to bring-

• Education: student status required Bachelor / Master
• Student status - 2 years remaining before graduation, preferably in one of the following: engineering, computer science, math, physics, statistics, economy, accounting, business, cognitive science, medicine
• Availability for 50% position or more
• Some experience with SQL and Excel
• Some experience with programming / R / Python / BI tools - advantage
• Excellent spoken and written English
• Quick-thinker, fast learner, problem solver
• Team worker, responsible and trustworthy
• People person - ability to communicate and motivate

Our Benefits:

Any general requests for consideration of your skills, please

Essential Responsibilities:

• Develop and optimize machine learning models for various applications.
• Preprocess and analyze large datasets to extract meaningful insights.
• Deploy ML solutions into production environments using appropriate tools and frameworks.
• Collaborate with cross-functional teams to integrate ML models into products and services.
• Monitor and evaluate the performance of deployed models.

Minimum Qualifications:

• Minimum of 5 years of relevant work experience and a Bachelor's degree or equivalent experience.
• Experience with ML frameworks like TensorFlow, PyTorch, or scikit-learn.
• Familiarity with cloud platforms (AWS, Azure, GCP) and tools for data processing and model deployment.
• Several years of experience in designing, implementing, and deploying machine learning models.

Experience working with Large Language Models

Our Benefits:

Any general requests for consideration of your skills, please

Being the cybersecurity partner of choice, protecting our digital way of life.

Your Career

We need an experienced engineer with a passion for building, deploying, and scaling our Security AI systems and environment. This is a hands-on role that combines research, devops and data science. The role requires a constant creative trailblazing mindset and novel non-linear thinking. You will develop and enhance complex agentic AI products, architect for scale, and optimize for performance. Additionally, you will be responsible for turning innovative AI concepts into robust, efficient, and reliable services for multiple teams.

Your Impact

• Research, Evaluate and leverage the power of AI and LLMs in cybersecurity
• Perform complex AI evaluations on LLM based cybersecurity features and products
• Implement and optimize advanced AI/LLM systems, including complex RAG pipelines and efficient multi-tool agentic workflows
• Develop and contribute to AI frameworks and services that provide game-changing capabilities
• Transform strategic vision into production-grade reality
• Perform Data-driven research on big data platforms

Your Experience

• 3+ years experience as an engineer / researcher
• Expert-level proficiency in Python
• Hands-on experience with AI systems and agentic AI workflows
• Hands-on LLM experience: AI best practices, prompt engineering, model selection, etc
• An innovator's mindset: You thrive on solving ambiguous, open-ended problems and are driven to build novel solutions where no playbook exists.
• Cybersecurity experience - Big Advantage
• Practical experience with modern MLOps/DevOps tools and practices - Big Advantage
• Experience with XDR/SIEM/EDR/NDR product - Advantage

All your information will be kept confidential according to EEO guidelines.

Being the cybersecurity partner of choice, protecting our digital way of life.

Your Career

As a key member of Layer-7 Security group, you will be responsible for designing and developing security features on the next-generation firewalls. You will work with product management on user requirements, apply your knowledge to functional design, utilize your programming skills for efficient and robust implementation, and interact with quality assurance and field support teams throughout the entire software development cycle.

Your Impact

• Technical leadership and end-to-end delivery of solutions in collaboration with cross-functional product management, development and quality assurance teams in a fast paced environment

• You will work to design, implement and troubleshoot next generation cloud security solutions

• Hands-on participation in developing next generation cloud security architecture

• You will participate in all phases of the product development cycle, from definition, design, through implementation and test

• Lead cross-functionally with Product Management, SRE, Software, and Quality Engineering teams to deliver new security as a service offering to the market in a timely fashion with excellent quality

• Develop a strong culture of diversity, intellectual curiosity, problem-solving, and openness

• Work closely with customer support teams to improve end-customer outcomes

• Foster innovation in the organization

Your Experience

• Excellent team player with strong coding, analytical and problem-solving skills
• Hands-on experience with cloud distributed systems and high scale designs and in developing high performance distributed software applications
• Experience in cloud technologies like Kafka, Elastic Search, SQL, Google Big Query or equivalent
• Experience with backend development (Rest APIs, Databases, Serverless computing) of distributed cloud applications.
• Experience with Docker and Kubernetes or other container orchestration platforms
• Good understanding of public cloud design considerations and limitations in areas of microservice architectures, security, global network infrastructure, distributed systems, and load balancing with strong cloud service trouble-shooting skills.
• Working knowledge of TCP/IP and Networking is highly desirable
• Experience in GCP or AWS is a plus
• M.S/B.S degree in Computer Science or equivalent and 7+ years of relevant experience required.
• Hands-on programming experience in one or more of the following: GO/Java(Primary), Python; Working knowledge of C is highly desirable
• High energy and the ability to work in a fast-paced environment with a can-do attitude

Compensation Disclosure

The compensation offered for this position will depend on qualifications, experience, and work location. For candidates who receive an offer at the posted level, the starting base salary (for non-sales roles) or base salary + commission target (for sales/commissioned roles) is expected to be between $0 - $0/YR. The offered compensation may also include restricted stock units and a bonus. A description of our employee benefits may be found .

All your information will be kept confidential according to EEO guidelines.

Essential Responsibilities:

• 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.

Expected Qualifications:

• 3+ years relevant experience and a Bachelor’s degree OR Any equivalent combination of education and experience.

In your role as a Decision Scientist, you will:

· Trackand measure performance against KPIs and goals to identify and mitigate fraud risk and enable growth

· Plan,drive and execute projects from start to finish, with partners across the company, to develop cutting edge, scalable and safe solutions

· Workwith product and platform teams to develop cutting edge, scalable and safe products, to enhance the experience for our global customers

· Growongoing communication with partners across the company and share updates with senior leaders effectively and while translating complex problems into simpler terms

· Planand measure experiments to analyse incremental value of new intelligence feeds, from internal teams or vendors

Our Benefits:

Any general requests for consideration of your skills, please

Key Responsibilities

• You will be responsible for the complete software development life cycle including requirement analysis, design, development and deployment
• Take part in integrating the newest features and technologies, automate workflows, and create user friendly tools and frameworks for researchers.
• Produce elegant, generic, modular and extendable code
• Actively influence the processes and methods for researchers, affecting their day to day life

Required Qualifications

• BS in Computer Science or equivalent knowledge or equivalent military experience required
• 5+ years of software engineering experience
• Expertise in Python and Python internals
• Experience in designing, building and maintaining a user facing application/API
• Experience with Git or other source controls
• Good communication skills
• Self-driven with the ability to work independently, take initiative, and drive processes end-to-end

Advantages

• Experience with Kubernetes/Docker
• Experience with cloud infrastructure (GCP specifically)
• Knowledge of the cyber field
• Experienced with a variety of database technologies (Mysql / RocksDB / Google BigQuery)

We define the industry instead of waiting for directions. We need individuals who feel comfortable in ambiguity, excited by the prospect of a challenge, and empowered by the unknown risks facing our everyday lives that are only enabled by a secure digital environment.

All your information will be kept confidential according to EEO guidelines.