דרושים Sr Machine Learning Engineer ב-Paypal ב-Israel, Tel Aviv-yafo

2. This role is open to support the expansion of Bot Mitigation solutions, and would be part of our global team.
3. The role requires some flexibility in work-hours and due to team’s structure requires to accommodate online meetings up to two evenings per week.

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

This job will design, develop, and implement machine learning models and algorithms to solve complex problems. You will work closely with data scientists, software engineers, and product teams to enhance services through innovative AI/ML solutions. Your role will involve building scalable ML pipelines, ensuring data quality, and deploying models into production environments to drive business insights and improve customer experiences.

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.

Our Benefits:

Any general requests for consideration of your skills, please

This job will design, develop, and implement machine learning models and algorithms to solve complex problems. You will work closely with data scientists, software engineers, and product teams to enhance services through innovative AI/ML solutions. Your role will involve building scalable ML pipelines, ensuring data quality, and deploying models into production environments to drive business insights and improve customer experiences.

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.

Preferred Qualification:

Experience working with Large Language Models

Our Benefits:

Any general requests for consideration of your skills, please

What you need to know about the roleAs a member of the Blockchain, Crypto and Digital Currencies (BCDC) Transfers team, you will be responsible for the design, development and delivery of PayPal’s cryptocurrency products, including PYUSD and other cutting-edge projects. In this role, you will bring your expertise and experience to build the infrastructure for fast scaling and high reliability utilizing cloud-based technologies. You will collaborate with internal and external partners to design and deliver new technologies to the market.

Your day to day

• Design, estimate and implement new and refactored software services on the platform securely, reliably and at scale. Takeownership of qualityof design and implementation ofsoftware components.
• Provide technical leadership and guidance to a team of software engineers, fostering a culture of collaboration, innovation, and continuous improvement.
• Demonstrate end-to-end ownership of features, projects, modules, and services that you and your team deliver in all phases of the software development lifecycle.
• Act as a strong advocate for clean, scalable, high-performing, secure, and reliable software services, in all areas, including coding, documentation, automation, etc.
• Provide deep knowledge into the cryptocurrency space, research and learn new concepts to fit them into our product.
• Have an appetite to learn and contribute to complex projects alongsideyour colleagues.
• Participate in code reviews.
• Interact with various non-engineering teams such as product, support, finance, risk and compliance.

What you need to bring-

• Bachelor’s and/or master’s in computer science, or a related field of study, or equivalent experience.

• years ofback-end developmentexperience with Python/GO/C++/Javaor equivalent high-level programming language.
• High communication skills and ability to work in dynamic environment.

Preferred Qualification:

Nice to have:

• Proven expertise with GCP or other public cloud platforms, distributed services and backend systems.
• Experience working with SQL or NoSQL databases.

• and proficiency withcaching solutions (e.g Redis) and messaging/queuing systems (e.g PubSub, Kafka, RabbitMQ).

• Experience in managing infrastructure as code using Terraformor similar frameworks.

• Expertise with cloud monitoring such as Datadog/Splunk or equivelant.

• Blockchain and cryptography experience – optional.

Our Benefits:

Any general requests for consideration of your skills, please

What you need to know about the role

Your day to day

In your day-to-day role, you will:

• Design, build, and maintain scalable and secure backend services and APIs.
• Develop, implement andmaintain cryptographicprotocols for key management and transaction signing.
• Participate in architecture and design discussions with a security-first mindset.
• Analyze, review, and improve the security of cryptographic code and systems.
• Support threat modeling, documentation, and external audits of cryptographic infrastructure.

What do you need to bring

• 5+ years of backend development experience with a strong foundation in computer science or cryptography.
• Strong background in Cryptography - Either relevant academic knowledge (Master’s or PhD) or relevant industry experience in the cryptography domain.
• Hands-on experience implementing cryptographic protocols (MPC preferred).
• Proficiency in at least one systems programming language (e.g., C++, Python, Rust, Go).
• Demonstrated knowledge of secure software development principles.
• Strong collaboration and communication skills in cross-functional teams.

Nice to have:

• Familiarity with blockchain protocols (e.g., Bitcoin, Ethereum, Solana) and institutional wallet practices.
• Familiarity with distributed systems and micro-services architecture.
• Contribution to open-source cryptographic or blockchain projects.

Our Benefits:

Any general requests for consideration of your skills, please

What you need to know about the roleAs a member of the Blockchain, Crypto and Digital Currencies (BCDC) Transfers team, you will be responsible for the design, development and delivery of PayPal’s cryptocurrency products, including PYUSD and other cutting-edge projects. In this role, you will bring your expertise and experience to build the infrastructure for fast scaling and high reliability utilizing cloud-based technologies. You will collaborate with internal and external partners to design and deliver new technologies to the market.

Your day to day

• Design, estimate and implement new and refactored software services on the platform securely, reliably and at scale. Takeownership of qualityof design and implementation ofsoftware components.
• Provide technical leadership and guidance to a team of software engineers, fostering a culture of collaboration, innovation, and continuous improvement.
• Demonstrate end-to-end ownership of features, projects, modules, and services that you and your team deliver in all phases of the software development lifecycle.
• Act as a strong advocate for clean, scalable, high-performing, secure, and reliable software services, in all areas, including coding, documentation, automation, etc.
• Provide deep knowledge into the cryptocurrency space, research and learn new concepts to fit them into our product.
• Have an appetite to learn and contribute to complex projects alongsideyour colleagues.
• Participate in code reviews.
• Interact with various non-engineering teams such as product, support, finance, risk and compliance.

What you need to bring-

• Bachelor’s and/or master’s in computer science, or a related field of study, or equivalent experience.

• + years ofback-end developmentexperience with Python/GO/C++/Javaor equivalent high-level programming language.
• Experience working with SQL or NoSQL databases.
• High communication skills and ability to work in dynamic environment.

Preferred Qualification:

Nice to have:

• Proven expertise with GCP or other public cloud platforms, distributed services and backend systems.

• and proficiency withcaching solutions (e.g Redis) and messaging/queuing systems (e.g PubSub, Kafka, RabbitMQ).

• Experience in managing infrastructure as code using Terraformor similar frameworks.

• Expertise with cloud monitoring such as Datadog/Splunk or equivelant.

• Blockchain and cryptography experience – optional.

Our Benefits:

Any general requests for consideration of your skills, please

This job will design, develop, and implement machine learning models and algorithms to solve complex problems. You will work closely with data scientists, software engineers, and product teams to enhance services through innovative AI/ML solutions. Your role will involve building scalable ML pipelines, ensuring data quality, and deploying models into production environments to drive business insights and improve customer experiences.

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.

Our Benefits:

Any general requests for consideration of your skills, please