Staff Software Engineer — WAF & Firewall Platform Lead

Royper Royco LLC; United States; Remote; USD 225,000 - 265,000; Full time

Benefits offered by this job

Inclusive Team

Growth Opportunities

Innovative Culture

Hybrid & Remote Work

Competitive Compensation

Job summary

Horizon3 is a fully remote cybersecurity company delivering NodeZero autonomous pentests and security assessments. We seek a Staff Software Engineer to lead the Firewall pod within Precision Defense, connecting NodeZero with WAF management platforms and delivering safe remediation guidance.

You’ll work with Product, Engineering, AI research, and the Attack team to translate attack-path evidence into actionable customer outcomes, guiding architecture and code reviews while ensuring security and

Qualifications

• 8+ years of experience leading technical work at staff/lead scope.
• Working knowledge of WAF platforms and policy models.
• Proficiency in Go, Rust, or similar backend language.
• Experience designing service-oriented systems and APIs.
• Strong systems-design skills and security mindset.
• Ability to translate ambiguous problems into concrete plans.
• Clear technical writing and communication skills.

Responsibilities

• Own the technical approach for the Web Application Firewall workstream from design to delivery and iteration.
• Design and build integrations with WAF management platforms and their APIs.
• Define correctness checks to ensure protection without harming legitimate traffic.
• Build durable workflows with retries, timeouts, and partial failure handling.
• Implement safety controls like authorization, auditability, and staged rollouts.
• Develop observability to explain assessments and recommendations.
• Mentor engineers and contribute to design reviews and quality improvements.
• Collaborate with Product, AI research, and Security teams to align outcomes with customer needs.

Skills

Staff-level leadership

Backend development

Reliability mindset

Cross-functional collaboration

Technical writing

WAF experience

Go or Rust

APIs & integrations

Security awareness

Tools

AWS WAF

Cloudflare

F5

Imperva

FortiWeb

ModSecurity/OWASP CRS

Job description

Horizon3 is a fully remote cybersecurity company delivering NodeZero autonomous pentests and security assessments. We seek a Staff Software Engineer to lead the Firewall pod within Precision Defense, connecting NodeZero with WAF management platforms and delivering safe remediation guidance.

You’ll work with Product, Engineering, AI research, and the Attack team to translate attack-path evidence into actionable customer outcomes, guiding architecture and code reviews while ensuring security and