Member of Technical Staff, Product Security
Hybrid (San Francisco Bay Area, USA)$200k - $300kFull-timePosted yesterday
About the role
Hands-on security expert to identify and eliminate vulnerabilities across Higgsfield AI’s AI-powered products and platforms, by conducting offensive security testing, threat modeling, secure design reviews, and building automated security controls.
Responsibilities
- Conduct hands-on penetration testing of new products and features, including web applications, APIs, and administrative interfaces.
- Identify security risks across agentic systems, MCP servers, code-generating agents, and AI-powered applications.
- Independently map attack surfaces and uncover authorization, authentication, and multi-tenant isolation vulnerabilities.
- Develop proof-of-concept exploits, validate findings, and retest remediation efforts.
- Partner with Engineering early in product development to identify and prevent security flaws before release.
- Conduct threat modeling, architecture reviews, and security-focused code reviews.
- Analyze complex codebases to trace vulnerabilities to their root cause and recommend effective fixes.
- Assess security risks across generative AI products, user-deployed applications, and enterprise features such as SSO and role-based access controls.
- Translate recurring vulnerabilities into secure development standards, reusable controls, and automated security checks.
- Build security tooling and integrate preventive controls into development and CI/CD workflows.
- Identify systemic weaknesses and implement solutions that prevent entire classes of vulnerabilities.
- Apply cloud, container, and infrastructure security knowledge to investigate vulnerabilities across the application stack.
- Own security findings from discovery through remediation, working directly with engineers to implement lasting fixes.
- Prioritize vulnerabilities based on exploitability, business impact, and real-world risk.
- Establish practical security standards that enable rapid product development without compromising security.
- Help define security practices for emerging AI technologies and new product architectures.
Qualifications
- 5+ years of hands-on experience in product security, application security, penetration testing, or vulnerability research.
- Proven track record of independently discovering and exploiting real vulnerabilities through application security work, bug bounty programs, or security research.
- Deep understanding of web application and API security, including authentication, authorization, and multi-tenant isolation.
- Strong ability to read and analyze modern codebases, identify root causes, and collaborate with engineers on remediation.
- Experience conducting threat modeling, secure design reviews, and hands-on penetration testing.
- Proficiency in scripting or programming languages such as Python, JavaScript, TypeScript, or Go.
- Familiarity with cloud infrastructure, containers, and modern application architectures.
- Ability to translate security findings into scalable engineering controls and automated checks.
- Strong technical judgment, independent problem-solving skills, and a proactive approach to identifying security risks.
Skills
Required:Penetration testingThreat modelingCode review & root-cause analysisProgramming/Scripting
Benefits
- Medical, dental, and vision insurance
- Competitive 401(k) retirement plan with company matching
- Equity participation via stock option program
- Discretionary annual bonus program
- Comprehensive benefits package designed to support employees professionally and personally
- Ambitious AI product work with international team
- Significant ownership, direct impact, and opportunities for professional growth
Last updated Oct 25, 2026. Interested? Apply on the company site.
About Higgsfield AI
Higgsfield AI — AI-native creative suite
Create images, videos, and voice content with Higgsfield AI from text prompts or references. Edit and upscale media, automate creative workflows with its AI agent, and generate content on web and mobile.
AI-native creative suiteAppsSeedanceSeedreamMCP & CLIGemini Omni FlashCinema StudioOriginal Series
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