Source Job

$200,947–$255,722/yr
US

  • Serve as mentor to other Security Engineers and lead application security reviews and threat modeling.
  • Drive automated security testing and bug bounty program to position 6sense as an industry leader.
  • Collaborate with engineering teams to reproduce, triage, and address application security vulnerabilities.

Application Security Python JavaScript Threat Modeling

20 jobs similar to Staff Security Engineer - AppSec

Jobs ranked by similarity.

$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.

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.

$190,000–$220,000/yr
US

  • Embed security into every stage of the SDLC ensuring secure-by-design systems.
  • Lead secure code reviews across TypeScript/Node.js services and modern frontend stacks.
  • Drive threat modeling and own the vulnerability management lifecycle.

SpinQuest is a social casino platform that blends social gaming with innovative currency mechanics. Founded in 2025, we have grown into a recognized name in social gaming with a community-first approach and original content.

$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.

Global 4w PTO

  • Shape and execute application security and cloud security posture, driving secure-by-design practices and threat modeling across services and infrastructure.
  • Partner with product engineering to embed security throughout the SDLC and integrate developer-friendly security tooling into CI/CD pipelines.
  • Establish cloud security controls, automate threat detection, and build a security champion network to scale secure practices.

Clutch is a vertical SaaS company, backed by Andreessen Horowitz, that helps credit unions become FinTech lenders and improve members' financial well-being. It is a fast-paced fintech startup building a security-first engineering culture and leveraging AI to amplify innovation.

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.

G-P is a leading SaaS-based Global Employment Platform that enables companies to expand into over 180 countries without establishing local entities. With a diverse, remote-first culture, G-P empowers its Dream Team with flexibility and resources to foster innovation and growth.

$112,320–$168,480/yr
US

  • Own and scale the vulnerability management program, including triage, prioritization, and remediation.
  • Embed security into the SDLC by integrating automated gates, threat modeling, and design reviews.
  • Drive cross-team security initiatives and mentor engineers to improve overall posture.

Figure is a blockchain-native capital marketplace for the origination, funding, and trading of tokenized assets. It has over 480 partners, has originated $30 billion in loans, and is recognized as a top fintech company.

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.

Global Unlimited PTO

  • Conduct security assessments using SAST, DAST, and SCA tools.
  • Perform code reviews and provide secure coding guidance to development teams.
  • Implement and maintain GitHub Advanced Security and CI/CD security integration.

Hims & Hers is a health and wellness platform providing personalized care to help people feel great. They are a public company with a talent-first flexible/remote work culture, committed to diversity, ethics, and belonging.

$119,900–$193,200/yr
Global Unlimited PTO

  • Manage vulnerability triage from SCA, container scanning, and external reports, collaborating with engineering on remediation.
  • Conduct threat modeling and security reviews with R&D teams, turning findings into prioritized actions.
  • Build internal security tooling, including a CVE registry and LLM-assisted code analysis workflows.

Camunda provides an enterprise platform for agentic orchestration, enabling organizations to coordinate AI agents, people, and systems across business processes. Trusted by over 700 organizations, including 9 of the top 10 US banks, Camunda is a fully remote, AI-first company named one of GP Bullhound's Top 100 Next Unicorns and a Great Place to Work.

North America 4w PTO

  • Collaborate with Product Engineering teams throughout the SDLC to identify vulnerabilities through threat modeling, design reviews, and secure code reviews.
  • Develop and implement end-to-end security solutions to mitigate risks across the product suite.
  • Drive improvements across Product Security tooling, automation, and the bug bounty program while experimenting with AI-based tools.

Superhuman is an AI productivity platform that integrates with over 1 million apps, offering writing, docs, inbox, and AI assistant products. Founded in 2009, it powers over 40 million people and 50,000 organizations worldwide.

Canada

  • Operate and maintain application security scanning tools including SAST, SCA, secrets scanning, and container scanning throughout the SDLC.
  • Review and triage security findings, validate true positives, and collaborate with engineering teams to prioritize remediation activities.
  • Support onboarding of new repositories, maintain documentation, and assist with scripting and automation to improve security workflows.

This company is a partner organization with a collaborative security team focused on strengthening application security across a diverse portfolio of digital products and services. It fosters an inclusive, collaborative culture with employee communities and emphasizes learning and development.

$173,000–$255,000/yr
US Unlimited PTO

  • Partner with product teams to ensure security is embedded throughout the product development lifecycle.
  • Conduct threat modeling, architecture reviews, and source code analysis to identify and mitigate vulnerabilities.
  • Automate security processes and drive cross-team projects to closure.

Affirm exists to give people a clear, predictable way to pay over time with no hidden fees, building honest financial products. It is a remote-first company that values information security, transparency, and flexibility, with a strong culture of care.

$170,000–$190,000/yr
US Unlimited PTO

  • Own application and product security, including threat modeling, secure code review, and access-control and secrets-exposure flaws.
  • Design and implement security architecture for an agentic AI software development lifecycle with out-of-band controls.
  • Secure AWS environment, manage non-human identities, and enforce security tooling across GitHub and SaaS estate.

Oshi Health is a fully remote, cloud-native healthcare platform dedicated to helping people manage chronic GI conditions. It is a growing company with a small cross-functional team, emphasizing a remote-first culture and equity-based compensation.

$93,600–$157,560/yr
US 2w PTO

  • Design, operate, and continuously improve application security testing capabilities and pipelines.
  • Assess application risks, perform security reviews across multiple languages, and assist with penetration testing.
  • Provide application security guidance and mentorship to development teams as needed.

Esri is a global leader in geographic information system (GIS) technology, helping organizations create positive global change. With a diverse workforce unified under this mission, Esri fosters an inclusive culture that values continuous learning and growth.

India

  • Partner with engineering and product teams to review architecture, assess security risks, and drive secure-by-default practices.
  • Build and maintain security tooling, automate workflows, and strengthen application security across the SDLC.
  • Lead cross-functional security projects, promote security awareness, and support bug bounty and vulnerability research.

They are a remote-first security company that helps organizations identify and address vulnerabilities before they become serious threats. The team is collaborative and fast-paced, valuing initiative, continuous learning, and diverse perspectives.

India

  • Partner closely with engineering to refine architecture and drive security investment while prioritizing velocity.
  • Build secure 'paved roads' and tooling to eradicate entire vulnerability classes, not just fix bugs one by one.
  • Own cross-functional product security projects end to end, and amplify impact through automation and feedback loops.

Bugcrowd is a preemptive security platform that unifies exposure discovery and assessment, offensive testing, and AI-driven intelligence to help organizations avoid real-world risk. Founded in 2012 and based in San Francisco, Bugcrowd is a VC-backed company with a diverse, inclusive culture where people feel like family.

$147,000–$175,000/yr
US

  • Become an expert in the application security platform and integrate it into customer CI/CD pipelines, developer workflows, and security programs.
  • Lead technical discovery, diagnose customer issues, and advise on solution design.
  • Own proof-of-value cycles from success criteria through environment configuration and technical validation.

The company operates in the application security space, serving digital native and mid-market customers. The team size and specific culture are not mentioned in the posting.

$225,400–$281,800/yr
US Unlimited PTO

  • Lead Apollo's multi-year AppSec strategy and shape cross-team roadmaps.
  • Set secure design, code review, and AI security standards across engineering.
  • Mentor security champions and build automation that scales secure practices.

Apollo.io is the leading go-to-market solution for revenue teams, trusted by over 500,000 companies. Founded in 2015, it has raised ~$250M and is valued at $1.6B, with a culture focused on AI-native innovation and continuous improvement.

Brazil 4w PTO

  • Investigate and remediate application security vulnerabilities directly in code, implementing fixes and submitting pull requests.
  • Deploy, configure, and optimize SAST and SCA tools across repositories and CI/CD pipelines, reducing false positives.
  • Triage and prioritize security findings while collaborating with engineering teams to embed secure coding practices.

Partner company is a technology firm delivering large-scale international projects with a focus on integrating application security into the software development lifecycle. They foster a collaborative, globally distributed engineering culture with an informal environment, open-door policy, and continuous learning opportunities.