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UK Unlimited PTO

  • Support application security programs including threat modeling and security reviews for web and AI/LLM systems.
  • Triage SCA/SAST/DAST/CSPM findings and coordinate remediation with engineering teams.
  • Develop automation scripts and tools to integrate security solutions and streamline vulnerability management.

Application Security Threat Modeling Penetration Testing Python AWS

20 jobs similar to Senior Application Security Engineer

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$0–$185,800/yr
Global 26w maternity 26w paternity

  • Design and build security solutions across application security, infrastructure, and AI agentic systems.
  • Secure integrations, manage secrets, and review public-facing APIs for vulnerabilities.
  • Develop AI governance standards and security review agents to protect user trust.

Wave builds mobile financial services across Africa, making cash deposits, withdrawals, and payments accessible to millions. With a rapidly growing team in 9 countries and a remote-first culture, Wave fosters autonomy and ownership.

$232,000–$379,000/yr
US 4w PTO 12w maternity 12w paternity

  • Partner with product portfolios to manage product security, emphasizing AI/ML security and cross-functional collaboration.
  • Lead security design reviews, threat modeling, and secure code reviews across web, backend, and API stacks.
  • Integrate AppSec tooling into CI/CD, support secure development practices, and participate in incident response.

Quanata is an insurance technology company building advanced risk prediction and prevention solutions and a full-stack, AI-native insurance platform for State Farm and HiRoad. It is wholly owned by State Farm and fosters an inclusive, positive culture focused on hiring talented people across disciplines.

US 18w maternity 16w paternity

  • Contribute to secure-by-design practices and maturing SAST, SCA, and DAST programs.
  • Develop Secure AI Development Lifecycle and AI-assisted threat modeling framework.
  • Mentor engineers on secure coding and foster cross-functional collaboration.

Spring Health is a global mental health company using an AI-native platform to deliver personalized mental health support. The company reaches over 170 million people worldwide and fosters a culture of innovation, collaboration, and commitment to eliminating barriers to mental health.

$175,000–$215,000/yr
US 4w PTO 12w maternity 12w paternity

  • Partner with product and engineering teams to embed security across application design and development.
  • Lead threat modeling, secure code reviews, and vulnerability analysis to protect complex systems.
  • Build automated security guardrails and promote secure coding practices throughout the SDLC.

Quanata is building an AI-native insurance technology platform for the State Farm family of companies. It is a remote-first organization that values veteran hiring, professional growth, and a collaborative culture across the U.S.

US

  • Own application security across cloud services, APIs, data pipelines, and edge-deployed systems.
  • Lead threat modeling, secure design reviews, and in-depth code reviews to identify and fix vulnerabilities.
  • Build and integrate security tooling like SAST, DAST, SCA, and CodeQL into CI/CD and mature the secure SDLC.

Quartermaster AI leverages cutting-edge AI and robotics to make the ocean a safe and sustainably managed resource. It is a fast-moving, rapidly scaling defense-tech startup with a mission-driven culture and significant autonomy for engineers.

$157,675–$238,500/yr
US

  • Deliver accurate security assessments of software, code, and firmware, evaluating resilience against AI-driven attacks.
  • Build and pressure-test novel AI-enabled security tooling and workflows, then drive adoption across the security org.
  • Partner cross-functionally to define and drive Samsara's medium- and long-term AI security strategy.

Samsara provides a Connected Operations Cloud platform that helps organizations improve safety, efficiency, and sustainability of physical operations. As a publicly traded company, they foster a culture of rapid career development and hyper growth, with a high-caliber team.

$140,000–$160,000/yr
US

  • Design and maintain secure architectures across AWS, Azure, and GCP with infrastructure-as-code and policy-as-code enforcement.
  • Secure AI/ML pipelines and LLM applications, addressing OWASP Top 10 for LLMs and implementing guardrails and content-filtering controls.
  • Drive security operations, including SIEM monitoring, incident response, and supporting HIPAA/HITRUST/SOC 2 compliance.

Reveleer delivers a unified platform for risk adjustment, quality improvement, clinical intelligence, and member management for health plans and provider organizations in value-based care. Trusted by 80+ customer organizations nationwide, the company fosters a collaborative, compliance-focused culture with transparent, human-in-the-loop AI at its core.

Global 5w PTO

  • Conduct hands-on application security reviews threat modeling and code audits across the entire stack (backend frontend APIs infrastructure).
  • Build and improve security automation for vulnerability management including SAST DAST container scanning and secrets detection.
  • Drive remediation of findings from bug bounty scanners and audits partnering with engineering teams to prioritize and fix.

Close builds a communication-first AI-powered CRM that helps sales teams sell more and faster. With a 120-person 100% remote team they are bootstrapped profitable and focused on eliminating manual data entry for scaling businesses.

US Unlimited PTO

  • Lead security assessments of AI/ML models, data pipelines, and AI-enabled applications, identifying vulnerabilities such as prompt injection, model inversion, data poisoning, and adversarial inputs.
  • Partner with Data & Analytics and Engineering to embed security requirements and threat modeling into the AI development lifecycle, from data collection through model deployment.
  • Build and maintain guardrails, monitoring, and detection controls for AI systems in production, flagging anomalous model behavior and unauthorized data access.

Interra Health is a healthcare technology company that helps providers and patients navigate the prescription journey. It is a fast-growing, mission-driven team of about 100 employees, formed through the merger of DoseSpot, Arrive Health, and pVerify, and focused on reducing friction and improving access to medications.

US 4w PTO

  • Lead application security protocols throughout the SDLC.
  • Partner with engineering teams to embed security into architecture and development.
  • Perform hands-on security testing of web apps, APIs, and cloud-native services.

K Health is an AI-powered virtual care engine that modernizes the primary care loop using clinical AI and virtual clinics. Founded in 2016 and headquartered in New York City, the company is backed by over $443.5M and aims to build diverse, collaborative teams.

$235,000–$305,000/yr
US 4w PTO 12w maternity 12w paternity

  • Lead threat modeling and security architecture for AI-enabled systems, including LLM applications and cloud-native platforms.
  • Define and implement secure engineering patterns and guardrails across AWS infrastructure, CI/CD pipelines, and third-party integrations.
  • Partner with engineering and security teams to embed security throughout the AI product lifecycle and drive cross-functional security initiatives.

Quanata is an insurance technology innovation company that engineers advanced risk prediction and prevention solutions for State Farm and HiRoad. We are a wholly owned subsidiary of State Farm with a remote-first culture that values inclusion and positive team dynamics.

$175,000–$230,000/yr
North America Unlimited PTO

  • Automate security controls by integrating SAST, DAST, and SCA tools into CI/CD pipelines to catch vulnerabilities before production.
  • Define and drive a developer-friendly Secure SDLC, including threat modeling frameworks like STRIDE and security champions network.
  • Manage the private bug bounty program, triage reports, lower mean time to mitigation, and conduct code reviews for Java and Python microservices.

VGS is the world's leader in payment tokenization, providing the trust infrastructure for modern commerce and agentic payments. Trusted by Fortune 500 companies and innovative fintechs, VGS stores over 9 billion tokens and processes 10 billion monthly interactions, with a remote-first culture that values curiosity, ownership, collaboration, and continuous learning.

$150,000–$230,000/yr
US Canada

  • Contribute production-quality code to the application (Node.js and Python), shipping security fixes end-to-end.
  • Build AI-powered automation and manage a bug bounty program, evaluating and reproducing submissions.
  • Define secure-by-design patterns and drive security standards across the architecture, including AI-integrated features.

Fast-growing B2B SaaS company serving the life sciences and pharma space. A small, high-impact security team with an engineering-first mindset, building AI-native features.

US Unlimited PTO

  • Build and tune the application security scanning program (SAST, DAST, SCA, container and IaC) to surface real risk.
  • Triage scan, penetration test, and bug bounty findings, prioritizing by risk and tracking remediation to closure.
  • Partner with engineering on threat modeling, secure-coding standards, and hands-on fixes.

Turquoise Health is a Series C price transparency platform building a more open, efficient healthcare marketplace for finance leaders. They're a remote-first US team backed by top investors, powering transparency for 300+ enterprise organizations.

Global

  • Secure BJAK's AI-enabled products and agent workflows using third-party models.
  • Assess customer data shared with model vendors and design least-privilege controls for AI agents.
  • Threat model prompt injection and support SC TRM/BNM RMiT compliance for AI risks.

BJAK is a mobile-first insurance platform that makes insurance accessible online and is the leading insurtech in Southeast Asia. With over 20 nationalities working from offices and remotely worldwide, the company values passionate builders who love creating next-generation financial products.

$175,000–$230,000/yr
North America Unlimited PTO

  • Shape application security practices by integrating automated safeguards throughout the software development lifecycle.
  • Collaborate with Security and Engineering teams to identify vulnerabilities early and manage bug bounty programs.
  • Conduct threat modeling and secure code reviews for Java and Python microservices while fostering developer security ownership.

This partner company protects payment infrastructure and enables secure, scalable digital commerce. It operates as a remote-first, security-focused fintech organization with a fast-moving culture and globally distributed teams.

Europe US 6w PTO

  • Conduct threat modeling and risk assessments across product features, AI agents, cloud infrastructure, and data systems to identify vulnerabilities.
  • Partner with engineering, IT, and data teams to embed security into development processes through design reviews and secure coding guidance.
  • Run vulnerability management, bug bounty coordination, incident readiness, and SOC 2 compliance support to build scalable security practices.

n8n is an open workflow orchestration platform for AI-powered automation, combining code freedom with no-code speed. Since 2019, it has grown to 260+ employees across Europe and the US, backed by top investors and a 650,000-developer community.

Brazil 6w PTO

  • Embed security practices into the SDLC, implementing SAST, SCA, and secret scanning controls in CI/CD pipelines.
  • Harden AWS infrastructure and infrastructure-as-code, including IAM, Terraform, VPCs, and KMS.
  • Lead a Security Champions program, conduct threat modeling, and define security standards for APIs and critical features.

The company is a fast-growing technology organization focused on application and cloud security. It fosters a collaborative, remote-first culture with technical autonomy and a focus on developer empowerment.

$120,000–$150,000/yr
US

  • Protect cloud infrastructure, applications, and customer data across a modern technology environment.
  • Identify and remediate vulnerabilities directly in application repositories and infrastructure code.
  • Build and tune SIEM detections, strengthen AWS security controls, and lead incident response.

Cloudbeds is a hospitality technology company providing cloud-based management solutions for lodging businesses. It operates as a remote-first organization with a globally distributed team across 40+ countries and a small, senior security team.

North America

  • Partner with Fortune 500 customers to address security concerns and accelerate platform adoption.
  • Develop security reference architectures and perform threat modeling for ServiceNow products and AI services.
  • Lead security deep dives covering cloud-native architectures, identity, encryption, and AI security controls.

ServiceNow is an AI platform that helps enterprises automate workflows and reinvent business processes. The company serves 85% of the Fortune 500 and fosters an AI-native culture where technology and talent work together.