> Markdown version of [/jobs/ext/3959140-application-security-lead-remote-220-320k](https://www.wearedevelopers.com/jobs/ext/3959140-application-security-lead-remote-220-320k). 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). --- # Application Security Lead (Remote) - $220-320K - **Company:** MAP SSG - **Location:** United States (Remote available) - **Experience:** Expert - **Salary:** $220,000.0 - $320,000.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Microsoft Azure, Software as a Service, Cloud Computing Security, Cyber Security, Customer Data Management, Data Infrastructure, Programming Tools, Distributed Systems, Software Engineering, TypeScript, Software Security, Multi-Cloud, Backend, B2b Software, Codebase - **Published:** October 27, 2026 - **Apply:** https://www.careerbuilder.com/job-details/application-security-lead-remote-220-320k--6afdfa6f-8256-4441-94a6-2d6c9e9c3c32 ## About the Role Applications Security, Startup, Customer/Client Research, Artificial Intelligence (AI), Distributed Computing, Applications Security, Leadership, Threat Modeling, Integrated Circuits (ICs), Security Policy, * 6+ years of experience in application/product security engineering * Previously one of the first security hires (ideally first 1-3) at a SaaS or data infrastructure company * Strong distributed systems and large-scale infrastructure knowledge * Experience securing multi-tenant platforms and customer-facing APIs * Background in cloud security across AWS/GCP/Azure environments * Able to read production application code and ship security-focused engineering solutions * Strong preference for engineers with a software engineering or CS foundation * Open to former/current security managers looking to move back into hands-on IC work Nice to Have * Experience with data infrastructure or high-scale event processing systems * Privacy/security experience involving PII handling, data residency, or GDPR/CCPA controls * Experience working in fast-growth engineering organizations * Background at modern B2B SaaS, infrastructure, developer tooling, or security-focused companies ## Description Fast-growing AI/data infrastructure startup building a modern customer data and AI activation platform used by enterprise customers at significant scale. Backed by top-tier investors with $300M+ raised and operating at $100M+ ARR. Fully remote engineering culture with a strong focus on distributed systems, product ownership, and technical excellence., This is a deeply technical, hands-on IC role - not a compliance or policy-heavy security position. The ideal person will spend the majority of their time in architecture reviews, codebases, threat modeling, and designing secure systems at scale. What You'll Work On * Designing and improving multi-tenant isolation for systems processing massive data volumes * Building authorization and sub-tenant access control models * Threat modeling and hardening distributed systems and customer-facing APIs * Improving security architecture across multi-cloud and multi-region infrastructure * Supporting data residency, privacy, and compliance-related technical controls (GDPR/CCPA) * Partnering closely with backend and distributed systems engineering teams * Defining long-term application security best practices and roadmap, * TypeScript * Go * AWS / Azure / GCP * Multi-cloud distributed infrastructure