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Software Engineer - Experimentation - Software Engineering

PayPal

$100,500 - $173,250
Sep 30, 2025
San Jose, CA, USA
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PayPal is looking to implement tasks within the Software Development Lifecycle (SDLC), build and enhance experimentation platform features, and scale experimentation across PayPal's ecosystem to improve velocity and reliability.

Requirements

  • 2+ years of professional software development experience, ideally in large-scale distributed systems or data-intensive platforms.
  • Proficiency in one or more backend programming languages (Java, Python, or similar), with strong debugging and performance optimization skills.
  • Familiarity with experimentation platforms, measurement systems, or A/B testing frameworks.
  • Experience with data pipelines, streaming/messaging systems (e.g., Kafka, Flink, Spark), or real-time analytics.
  • Understanding of cloud-native systems, containerization (Docker/Kubernetes), and CI/CD pipelines.
  • Strong problem-solving skills, with the ability to balance velocity, quality, and scalability trade-offs.

Responsibilities

  • Build and enhance experimentation platform features.
  • Own features end-to-end, from requirements analysis and implementation to testing, deployment, and monitoring.
  • Collaborate with cross-functional partners (Product, Data Science, ML, and Business Tech) to deliver experimentation capabilities aligned with PayPal’s needs.
  • Contribute to scaling experimentation across PayPal’s ecosystem, including mobile apps, web flows, and backend services.
  • Participate in system design discussions, ensuring solutions balance scalability, maintainability, and performance.
  • Troubleshoot platform issues and proactively identify opportunities to improve resiliency and developer experience.
  • Engage in code and design reviews, upholding high standards of engineering rigor and technical quality.

Other

  • Minimum of 2 years of relevant work experience and a Bachelor's degree or equivalent experience.
  • Effective communicator with the ability to work in a collaborative, fast-paced environment.
  • Passion for experimentation, data-driven decision-making, and enabling developers at enterprise scale.
  • 0- Travel Percent
  • For the majority of employees, PayPal's balanced hybrid work model offers 3 days in the office for effective in-person collaboration and 2 days at your choice of either the PayPal office or your home workspace, ensuring that you equally have the benefits and conveniences of both locations.