> Markdown version of [/jobs/ext/4389535-principal-application-security-engineer](https://www.wearedevelopers.com/jobs/ext/4389535-principal-application-security-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 Application Security Engineer

- **Company:** Caliber Tech LLC
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Salary:** $170,000.0 - $200,000.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), JavaScript (Programming Language), Amazon Web Services, Amazon Elastic Compute Cloud, Software System Penetration Testing, User Authentication, C Sharp (Programming Language), Cloud Computing, Cyber Security, DevOps, Identity and Access Management, Python (Programming Language), Node.Js, Open Source Technology, Open Web Application Security, Mobile Security, Web Applications, Software Security, Information Technology, Cloudflare, Api Design, Docker, Static Application Security Testing, Programming Languages, Microservices, Dynamic Application Security Testing
- **Published:** October 13, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=5a3810ee895cb89e

## About the Role

* Demonstrated technical foundation (Computer Science / Engineering degree or equivalent experience) with an innate ability to translate technical vulnerabilities into organizational risks
 * 10+ years of technical security leadership at a top-tier software company including experience with security products, threat modeling, security design, security architecture, cryptography, mobile security, and broader cloud computing technologies
 * Solid understanding of common application and infrastructure security vulnerabilities and mitigations (OWASP Top 10, CWE 25…)
 * Proficiency implementing SDL process, technology, and automation in a DevOps environment
 * Experience with large-scale web applications and microservices, including API design, access management, authorization, authentication, data protection and encryption
 * Knowledge of major programming languages and frameworks (e.g. Python, C# .NET, JavaScript, node.js, Java...)
 * Excellent problem solving, critical thinking, collaboration and communication skills
 * Experience in supply chain security

Bonus Qualifications:

 * Experience with Cloudflare security, AWS VPCs, EC2 instances and docker
 * Ability to drive good decisions through data with great attention to detail and deliver KPIs
 * Experience driving application security training, security champions and awareness campaigns
 * Active contributor to the security community (research, open source, publications…) with the ability to attract and hire great talent

## Description

* Lead cross-functional projects and establish cutting-edge security development lifecycle practices
 * Directed security design reviews and threat modeling for new and existing services at the organization.
 * Evaluate, prototype, implement, and operate security-focused tools and services
 * Create new secure architecture standards, frameworks, and patterns spanning multiple layers
 * Discover and analyze emerging security threats, determining applicability to the organization and proactively implement centralized mitigations
 * Evaluate, prototype, implement, and operate security tools and services (DAST, SAST, SCA...)
 * Maintain a strong knowledge of current security threats and operational best practices
 * Drive our security assessment, penetration testing, and bug bounty programs
 * Participate in security incident response