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Palo Alto Networks Logo Palo Alto Networks · IT - Software Development

Principal Engineer Software

Brazil, São Paulo · Job Posted April 16, 2026
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Job Description

We are seeking a Principal Software Engineer to join our high-impact engineering team. In this role, you will be instrumental in architecting, building, and maintaining the mission-critical backend infrastructure that powers Unit 42’s customer-facing web applications. As a proactive self-starter, you will lead the development of modern cloud services, ensuring seamless scalability across diverse user profiles and global regions. You will collaborate with cross-functional teams to drive innovation in a fast-paced environment where your work directly impacts the security posture of organizations worldwide.

Job Responsibility

  • Spearhead the design and implementation of highly scalable, secure, and performant backend services
  • Build and manage modern cloud-native services, primarily within the Google Cloud Platform (GCP) ecosystem
  • Design and maintain robust, RESTful APIs that serve both internal stakeholders and external global customers
  • Architect complex data models across both relational (SQL) and non-relational databases to ensure data integrity and high availability
  • Use advanced data structures and algorithms to solve complex computational problems and optimize system latency
  • Troubleshoot, maintain, and enhance production-level code, ensuring high uptime and reliability for new and existing services
  • Collaborate with CI/CD pipelines and containerization strategies (Docker/Kubernetes) to streamline deployment and configuration management
  • Work within an Agile environment, participating in peer code reviews and contributing to the technical growth of the team

Requirements

  • 8+ years of professional experience in backend software engineering
  • Expert-level proficiency in at least one typed programming language (e.g., Python, Golang, C/C++, or Java)
  • Mastery of SQL and deep experience with database design (SQL and NoSQL)
  • Proven track record of designing and scaling RESTful APIs
  • Strong foundation in advanced data structures and algorithms
  • Hands-on experience with Containerization (Docker, Kubernetes)
  • Experience with Cloud Computing platforms (GCP preferred
  • AWS/Azure also valued)
  • Proficiency in CI/CD workflows and configuration management (GitLab CI preferred)
  • Expertise in version control systems, specifically Git
  • Excellent verbal and written communication skills with the ability to articulate complex technical concepts
  • A meticulous attention to detail and a "security-first" mindset
  • Experience working in Agile/Scrum development environments

Nice to have

Knowledge of cybersecurity principles, threat intelligence, or incident response workflows

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