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Sr Principal Software Engineer (Wildfire - Backend)

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Palo Alto Networks

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Location:
United States , Santa Clara

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Contract Type:
Not provided

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Salary:

170000.00 - 277000.00 USD / Year

Job Description:

We are seeking a Principal Software Engineer to develop, build, and maintain our cutting edge cloud based, security product Infrastructure, which operates at massive scale and helps protect customers against constantly evolving online threats and attacks. Bring your software engineering expertise and technical leadership to work on our cutting edge malware detection platform, WildFire.

Job Responsibility:

  • Lead in the design, deployment and scaling of our architecture
  • Participate in the redesign of the architecture to introduce appropriate microservices to process high rates of sample submissions
  • Thought leadership in driving the technical roadmap
  • Hands-on participation in developing next generation architecture optimized for the scalable solutions
  • Conceptualize, Architect and develop highly efficient multi-cloud micro services and data pipelines to support 10x traffic increases
  • Keep the product updated with best-of-the-times technology in a fast-evolving environment
  • Work with DevOps and Technical Support teams to investigate and resolve critical customer defects
  • Recruit and Mentor new team members

Requirements:

  • 6+ years of hands-on experience in building large enterprise applications
  • 4+ years experience in technical leadership roles
  • Hands on experience writing production high quality scalable code in Python/Golang
  • extensive experiences with writing asynchronous code in multi-threaded and multi-processes env
  • Strong knowledge of data structures, algorithms, operating systems, and distributed systems fundamentals
  • Great design and architecture skills, turning an idea into a production grade design and own end to end development and releases
  • Strong knowledge of databases, storage, and distributed persistence technologies
  • Hands on experience with databases like SQL/NoSQL and other modern databases is a plus
  • Experience with performance profiling, tuning and improvement
  • Good to have a cloud-native service development stack on GCP/AWS or other clouds
  • Experience with building REST/grpc API services and queuing system such as pubsub, RabbitMQ or Kafka
  • Exposure to using configuration management tools such as argocd, Ansible and/or Terraform
  • Strong problem solving and troubleshooting skills
  • BS/MS in Computer Science, Computer Engineering / Computer science or equivalent

Nice to have:

A plus would be to have 2-3 years of experience in this role

Additional Information:

Job Posted:
April 16, 2026

Employment Type:
Fulltime
Work Type:
On-site work
Job Link Share:

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