Principal Engineer — Machine Learning

PayPal
San Jose
Workplace: OnsiteFull timeUSD 242,000 - 359,150 annuallyFunction: Data Science & Machine LearningExperience: 10+ yearsEducation: bachelorsSkills: ["Strategic thinking","Cross-functional collaboration","Mentoring","Model evaluation","Platform design"]

Drive the strategic vision and development of cutting-edge machine learning models and algorithms. Partner with data scientists, software engineers, and product teams to build scalable ML pipelines, ensure data quality, and deploy models in production. Own model monitoring and performance improvements, mentor junior engineers and data scientists, and help publish research while contributing new methodologies and frameworks to improve customer experiences and business outcomes.

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FursaFursa
PayPal
PayPal
2 days ago

Principal Engineer — Machine Learning

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Source: Company careers pageValidated by: Fursa AI
Last checked: 8 hours agoStatus: Live

Job Summary

Drive the strategic vision and development of cutting-edge machine learning models and algorithms. Partner with data scientists, software engineers, and product teams to build scalable ML pipelines, ensure data quality, and deploy models in production. Own model monitoring and performance improvements, mentor junior engineers and data scientists, and help publish research while contributing new methodologies and frameworks to improve customer experiences and business outcomes.
Location: San Jose
Workplace: Onsite
Employment Type: Full time
Job Function: Data Science & Machine Learning
Seniority: Sr. Manager level

Key Responsibilities

  • •Define and drive the strategic vision for machine learning initiatives across multiple teams or projects.
  • •Lead the development and optimization of state-of-the-art machine learning models.
  • •Oversee preprocessing and analysis of large datasets.
  • •Deploy and maintain ML solutions in production environments while monitoring and improving performance.
  • •Mentor and guide junior engineers and data scientists, and publish research findings.

Pay and Benefits

Salary: USD 242,000 - 359,150 annually
Perks:Health InsurancePaid LeaveLearning Budget

Key Requirements

  • •10+ years of relevant experience and a Bachelor’s degree (or equivalent combination of education and experience).
  • •Deep expertise with machine learning frameworks such as TensorFlow, PyTorch, or scikit-learn.
  • •Extensive experience with cloud platforms (AWS, Azure, GCP) and tools for data processing and model deployment.
  • •Proven track record leading the design, implementation, and deployment of machine learning models.
  • •Experience applying ML to high-impact use cases such as recommendation systems, search ranking, or personalization at consumer scale.
Experience:10+ yearsRecommendation systemsSearch rankingPersonalizationConsumer scaleLearning-to-rankReal-time recommendationsSocial platform MLGraph-based MLData engineeringMachine learning pipelines
Education:Bachelor's
Skills:Strategic thinkingCross-functional collaborationMentoringModel evaluationPlatform design
Tech Stack:TensorFlowPyTorchScikit-learnAWSAzureGCPBigQuerySparkAirflowDbt

Company Brief

PayPal
Global online payments platform enabling digital and mobile payments, money transfers, and merchant services for consumers and businesses, supporting e‑commerce transactions across multiple currencies and payment methods.
Industry: Payments
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: San Jose, United States
Founded: 1998
WebsiteLinkedIn