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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Staff Machine Learning Engineer - **Company:** PayPal - **Location:** San Jose, CA, United States (Remote available) - **Salary:** $227,639.0 - $300,500.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), A/B Testing, Airflow, Automation of Tests, Cloud Computing, Continuous Integration, Apache Hadoop, Apache Hive, Python (Programming Language), Machine Learning, Tensorflow, Software Engineering, Software Manufacturing, Data Processing, Pytorch, Large Language Models, Apache Spark, Deep Learning, Information Technology, Cassandra, Data Analytics, Machine Learning Operations, Data Pipelines, Programming Languages - **Published:** August 15, 2026 - **Apply:** https://www.disabledperson.com/jobs/74250082-staff-machine-learning-engineer ## About the Role deployed models, making necessary adjustments using experience in cloud platforms and tools for data processing and model deployment. Partial telecommuting permitted from within a commutable distance. Minimum Requirements: Master's degree, or foreign equivalent, in Computer Science, Engineering, or a closely related field, plus four years of experience in the job offered or a related occupation. Special Skill Requirements: 1. Experience in cloud computing & architecting data processing pipelines at scale using Spark, Hadoop/Hive, Cassandra, and AirFlow (4 years); 2. Experience in programming languages in Scala and Java (4 years) 3. Experience in Python programming languages (2 years) 4. Experience in deep learning architectures for user personalization systems at scale (4 years) 5. Experience in supervised and unsupervised ML modeling techniques for ranking and classification tasks (Gradient-Boosted Trees and regression models) (2 years) 6. Experience in TensorFlow or PyTorch (1 year) 7. Experience in Data-Driven Experimentation & A/B Testing (4 years) 8. Experience in Large Language Model fine-tuning for specific tasks (2 years) 9. Experience with LLM prompt optimization and output evaluation (2 years) Additional Responsibilities & Preferred Qualifications: EOE, including disability/vets. The base pay for this role will depend on where you work and the relevant experience and expertise you bring. The expected range of pay for this role by location is ## Description PayPal, Inc. seeks Staff Machine Learning Engineer in San Jose, CA, Job Duties: Lead the development and optimization of advanced machine learning (ML) models for implementation into existing software and systems using ML frameworks. Design, adapt, and integrate ML models into products and services, and deploy and maintain ML solutions in software production environments. Collaborate with other engineers, product management, and quality assurance analysts to ensure that the newly optimized software meets market needs concerning functionality, performance, availability, scalability, reliability, realistic implementation schedules, and adherence to software development goals and principles. Develop automated tests and deliver high-quality software code to production within a short development cycle in the continuous integration and delivery environment. Build cutting-edge testing technologies using next-generation automation techniques to resolve analytical software issues using programmatic solutions. Monitor and evaluate the performance of ## Related Videos - [From Messy Queries to Scalable Systems - How Data Engineering actually works](https://www.wearedevelopers.com/videos/100203-from-messy-queries-to-scalable-systems-how-data-engineering-actually-works) - [Photonic Computing: Programming a New Class of AI Accelerators (incl. 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