Senior Product Security Engineer
Job Location:
Austin, TX - USA
Monthly Salary:
Not provided by the employer
Posted:
8 August 2026 (19 hours ago)
Application Deadline:
5 November 2026
Vacancies:
1 Vacancy
Department:
Job Summary
Company Overview:
Function Health is the AI operating system for health designed to empower people to live 100 healthy years. We are redefining how individuals understand measure and improve their health by moving beyond reactive care and enabling proactive data-driven insight into human biology. Function has been recognized as one of Fast Companys Most Innovative Companies of 2024 and is venture-backed by Andreessen Horowitz (a16z). Hundreds of thousands of members have joined Function to take control of their health.
Through advanced diagnostics deep biomarker testing longitudinal data and AI-enabled insights Function equips members with actionable intelligence to take control of both the quality and length of their lives.
Function recently announced a $298M Series B and is entering its next chapter of growth. As we scale the quality and durability of our People systems data and insights will directly shape our ability to attract retain and support exceptional talent.
We are growing our team and seeking out world-class talent that deeply believes in our mission to positively impact global health has a relentless bias toward action and a growth mindset. Function fosters a collaborative and dynamic environment where every day we build the future.
Role:
Function Health is building out a dedicated product security team to protect our members and platform as we scale. As a Senior Product Security Engineer youll work shoulder-to-shoulder with engineering and product teams to embed security into every stage of development: design code test and deploy. This role is hands-on and impact-driven. Youll be expected to identify risks build guardrails and ship tools that raise the security bar without slowing teams down.
Our engineering org is moving toward AI-first code review autonomous adversarial testing and security gates that run without human approval for low-risk changes. Youd be building the systems that make that possible and safe. If youve been waiting for a security role where the answer to can we automate this is usually yes this is it.
Were looking for someone who thrives on solving hard technical problems knows how to build security into systems the right way and is excited about what AI-assisted engineering means for the future of the discipline.
Key Responsibilities:
- Design and deploy AI-powered security agents into CI/CD: automated code review risk classification escalation logic and where possible auto-remediation.
- Build and operate the security tooling layer across our pipelines: SAST SCA secrets scanning IaC validation and supply chain integrity checks.
- Conduct threat modeling secure design reviews and manual security assessments across our apps APIs and infrastructure.
- Find vulnerabilities through proactive testing not just scanner output and drive them to remediation.
- Partner with engineering teams across our product pillars as the embedded security voice in the room without being a blocker.
- Own the rollout of secure-by-default development frameworks and controls.
- Connect application-level telemetry to detection and response systems.
- Contribute to incident response and postmortems when product security is involved.
- Shape our long-term product security strategy and roadmap.
Qualifications/Skills:
- 5 years of experience in product or application security software engineering or a combination of both.
- Youve built or operated AI-assisted security tooling whether thats an agent doing code review an automated triage pipeline or custom security automation you designed from scratch.
- Strong Python experience. Familiarity with FastAPI LangChain or agentic frameworks is a plus.
- Deep fluency in identifying and exploiting web API and application vulnerabilities well beyond OWASP Top 10.
- Experience embedding security into CI/CD not just recommending it.
- You can guide engineers through secure design decisions without slowing them down.
- You write documentation and design docs without being asked.
- Bonus: experience with HIPAA or healthcare data red teaming or security architecture at scale.
Your dedication to these responsibilities will directly contribute to the success of our platform and the satisfaction of our users. We are looking for a proactive skilled and forward-thinking individual to join our team and help shape the future of our services.
To be a strong fit you embody our Core Values:
- Ruthless Prioritization:
- We dont let perfect get in the way of progress.
- We move quickly to drive value not perfection.
- We prioritize what drives impact.
- We never compromise on standards of excellence.
- Member-First Always:
- We design and deliver like were caring for someone we love.
- We create calendar actionable human experience.
- We prioritize responsiveness peace of mind and outcomes.
- We empower members with truth clarity and care.
- One Team Moving Fast:
- We are aligned in purpose prioritization and speed.
- We gather diverse perspectives to make informed decisions.
- We clear paths for each other and move fast together.
- We communicate clearly and respectfully rallying around shared goals.
- Radical Ownership Relentless Execution:
- We dont just ship we own outcomes and drive results.
- We act with urgency and precision
- We anticipate initiate and follow through.
- We meet challenges with grit and pragmatism.
- We embrace new tech to deliver better outcomes.
- Mission Over Ego:
- We are ruthlessly aligned to our mission and leave ego at the door.
- We disagree and commit.
- We dont tolerate politics or withholding information.
- We operate with honesty transparency and respect.
- Sustained Integrity in Every Detail:
- We earn trust by obsessing over accuracy quality and clarity in everything we do.
- We prioritize clinical precision data must be right.
- We sweat the details because outcomes depend on them.
Why Youll Love Working With Us:
We value our team at Function and offer a competitive salary and benefits package flexible working hours and a dynamic work environment where creativity and innovation are encouraged. If you are a highly motivated and experienced individual who is passionate about using technology to improve peoples lives we would love to hear from you.
At Function we celebrate diversity and are committed to building a diverse and inclusive workforce. As an equal opportunity employer we do not discriminate on the basis of race color gender identity ancestry religion age sexual orientation national origin disability marital status Veteran status or any other occupationally irrelevant criteria.
Join the Function Health team and become a part of our mission to build a healthier future for all. Discover more about us and how were changing the face of healthcare at Function Health.
Important Notice: Legitimate communication from the Function Health team will always come from an email address ending in @. Function Health will never request personal information such as banking details or payment during the hiring process. Please be cautious of communications or job offers that come from other email domains instant messaging platforms or unsolicited calls. If you ever have doubts about the legitimacy of a communication please reach out to us directly at .
Required Experience:
Senior IC