Sr Software Engineer

PayPal PayPal · Fintech · Scottsdale, AZ +1 · Software Engineering

Senior Software Engineer on the Credit Platform team at PayPal, responsible for designing and building foundational backend systems that power PayPal's global credit products. The role involves working on complex, business-critical systems where correctness, performance, security, and regulatory compliance are essential. Responsibilities include developing large-scale backend services, partnering with cross-functional teams, building reusable systems, developing event-driven services, and improving system scalability, performance, reliability, and observability.

What you'd actually do

  1. Design, build, and evolve large-scale backend services that power PayPal’s credit products
  2. Partner with product, risk, compliance, and engineering teams to translate complex business and regulatory requirements into robust technical solutions
  3. Build reusable, configuration-driven systems that support rapid product launches and market expansion
  4. Develop event-driven, asynchronous services using messaging and streaming technologies such as Kafka and Pulsar
  5. Improve system scalability, performance, reliability, and observability as platform usage grows globally

Skills

Required

  • Java
  • RESTful APIs
  • Spring Boot
  • microservice architectures
  • high-concurrency production systems
  • relational databases
  • NoSQL databases
  • analytical data warehouses
  • data modeling
  • SQL optimization
  • event-driven systems
  • messaging or streaming platforms
  • Kafka
  • Pulsar
  • asynchronous programming patterns

What the JD emphasized

  • regulatory compliance