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# Sr Principal Engineer Software

- **Company:** Palo Alto Networks
- **Location:** United States
- **Experience:** Expert
- **Salary:** $183,600.0 - $297,000.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Adaptable Database Systems, Artificial Intelligence, Business Logic, ARM Architecture, BigQuery, Cloud Computing, Cloud Engineering, Cyber Security, Computer Programming, Databases, Computer Engineering, Distributed Systems, Internet Security, Python (Programming Language), MySQL, Network Architecture, Software Tools, Requirements Management, Software Engineering, Backend, Fastapi, Information Technology, Restful APIs, Serverless Computing, Web Api, Microservices
- **Published:** October 30, 2026
- **Apply:** https://www.careerbuilder.com/job-details/sr-principal-engineer-software--34ff2881-d5b4-4903-90a6-0082790a955f

## About the Role

Engineering Software, Leading Edge Technology, Internet Security, Artificial Intelligence (AI), Problem Solving Skills, Technical Leadership, Computer Security, Requirements Management, Mentoring, Project Lifecycle, * Bachelor's or Master's degree in Computer Science, Computer Engineering, or a related technical field.

 * 14+ years of professional software engineering experience, with a focus on distributed, cloud-native application development.
 * Expert-level programming skills in Python, Go, or Java, with proven experience building large-scale distributed systems.
 * Extensive experience with cloud development, including REST APIs, databases, serverless computing, and microservices architectures.
 * Demonstrated experience as a hands-on technical lead or architect on complex software projects.

Preferred Qualifications

 * 8+ years of hands-on experience with specific cloud technologies such as BigQuery, Google Pub/Sub, or similar.
 * Deep understanding of public cloud design considerations, including security, global network infrastructure, and load bala

## Description

As a Senior Principal Backend Engineer in our group, you will be a key technical leader responsible for developing, innovating, and scaling the backend of our unified vulnerability and exposure management module in XSIAM. You will focus on the Cortex Platform and contribute to shared infrastructures, tackling complex problems to deliver significant value to thousands of customers. This role requires a can-do attitude and a passion for solving the most challenging cybersecurity threats., * Serve as an acknowledged technical leader, providing consultation and proactively collaborating across engineering teams to ensure alignment.

 * Drive the full lifecycle of projects from requirements gathering to final design and implementation, acting as a project lead or mentor.
 * Lead the alignment of planned work across the product by partnering with product management, UX design, and engineering stakeholders.
 * Utilize a big-picture perspective to identify, analyze, and provide practical solutions for complex existing and impending technical problems.
 * Design, build, and optimize highly scalable data models and queries using technologies such as MySQL, Spanner and BigQuery, focusing on the details to ensure performance.
 * Develop robust business logic and API endpoints using Python and Fast API, and build high-performance backend services using Go.
 * Proactively identify, articulate, and mitigate risks in projects to ensure smooth execution and high-quality output.
 * Mentor and empower other engineers across the department, fostering a culture of technical excellence and applied learning.