> Markdown version of [/jobs/ext/4705285-principal-backend-engineer](https://www.wearedevelopers.com/jobs/ext/4705285-principal-backend-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Principal Backend Engineer

- **Company:** Palo Alto Networks
- **Location:** United States
- **Experience:** Expert
- **Salary:** $134,600 - $217,800
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Amazon Web Services, Server Applications, ARM Architecture, Microsoft Azure, Command-Line Interface, Software as a Service, Cloud Computing, Computer Programming, Databases, Data Structures, Relational Databases, Distributed Systems, Python (Programming Language), NoSQL, Shell Script, Software Engineering, SQL Databases, Backend, Kubernetes, Information Technology, Palo Alto Networks, Cortex XSOAR Platform, Docker
- **Published:** November 13, 2026
- **Apply:** https://startup.jobs/senior-staff-engineer-software-cortex-xsoar-us-citizen-paloaltonetworks-com-10241960

## About the Role

In this role, you will design and implement robust backend services for Cortex XSOAR, a leading-edge security orchestration, automation, and response platform. This position requires a solid background in software engineering, with proficiency in Go and Python, and a keen interest in tackling complex technical challenges within the cybersecurity sphere. As a member of our dynamic team, you will also contribute to creating innovative AI-based solutions leveraging the Cortex product line, enhancing shared Cortex infrastructures and components. We value candidates who are proactive, passionate about problem-solving, and committed to delivering substantial impact to thousands of customers. This role is an exceptional opportunity for those eager to advance Cortex XSOAR with AI-driven capabilities and make a significant mark in the cybersecurity industry., * Education & Experience: B.S. or M.S. degree in Computer Science, a related technical field, or equivalent practical experience.

 * 5+ years of professional software engineering experience building scalable server-side applications.
 * Programming Expertise: 4+ years of extensive, hands-on programming proficiency in Go and Python.
 * Cloud & Infrastructure: 5+ years of proven experience designing and working with distributed cloud products on major platforms (GCP, AWS, or Azure), as well as containerization and orchestration technologies (Docker, Kubernetes).
 * Systems & Databases: Advanced proficiency in Linux/Unix operating systems (command line, networking, shell scripting) and solid experience with both RDBMS and NoSQL database technologies.
 * Distributed Computing: Strong understanding of distributed computing environments, including the implications of the CAP theorem, master election, and split-brain problems.
 * Operational Excellence: Proven experience with production troubleshooting and customer response., * Strong computer science fundamentals (e.g. understanding of lock-free data structures, bloom filters, minimal perfect hashing, consistent hashing etc)
 * Hands-on experience with SQL/NoSQL based databases
 * Experience with distributed computing (understand implications of CAP theorem, master election, brain split problem)

#LI-NP1

## Description

Palo Alto Networks is seeking a Principal Backend Engineer to become a vital part of our Cortex backend engineering group, primarily focusing on the development and maintenance of our Cortex products, including Cortex XSOAR, Cortex XSIAM, and the new Cortex AI solution. Our team operates with high efficiency and swift decision-making processes., * Lead full lifecycle development of backend features for Cortex XSOAR on-prem and SaaS (security orchestration platform): from requirements gathering, architecture/design, implementation, testing, deployment, through to production support and maintenance.

 * Work closely with peers across different teams and disciplines to shape solutions and integrate with other parts of the product. Working on "shared responsibility" type of products.
 * Production-oriented approach, providing real-time mitigation and solutions to production issues.
 * Engage with customers and support teams to help troubleshoot and fix issues.