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# Senior Application Security Engineer (Red Team)

- **Company:** Altruist Corp
- **Location:** San Francisco, CA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Android Software Development, Apple IOS, Software System Penetration Testing, Burp Suite, Cyber Security, Computer Engineering, Emulators, Mobile Application Software, Spring Framework, Open Web Application Security, Anti-Phishing, Red Team (Cyber Security), Web Applications, Software Security, Kubernetes, Information Technology, Terraform
- **Published:** November 7, 2026
- **Apply:** https://www.juju.com/job/28_25303_c3bb9d4e2e6539f459c184d662873f9b

## About the Role

We're looking for exceptional talent to help us achieve our mission of making financial advice better, more affordable, and accessible to all. If you're passionate about challenging the status quo and want to do the most important work of your life, we'd love to meet you!, * Experience - 4+ years of experience working as an Application/Product Security Engineer:

 * Experience as a pentester across web, API, and mobile targets
 * Extensive experience with security assessments
 * Experience with tools such as Burp Suite
 * Strong ability to work independently
 * Education - A B.A. / B.S. degree in relevant fields such as Computer Science or Computer Engineering or Information Security or relevant experience
 * Technical aptitude - You're technologically savvy and can easily get up to speed on modern tech stacks (i.e., Java, Spring, Terraform, Kubernetes, etc.)
 * Ownership - The pride you put into every aspect of your work is unparalleled and undeniable
 * Superb communication - Intentional dialogue is a superpower. You listen as well as you share your perspective with others.
 * Resilience - We're inspired by your unwavering determination to achieve success, no matter the adversity you face along the way.
 * Assurance - Your confidence is brilliant, yet ego-less. You possess a strong knowledge base, the ability to discover the unknown, and are open to differing perspectives.
 * Creative problem solving - Identifying the problem is simply not enough. You're instinctively creative with your approach in finding solutions to roadblocks.
 * Experience working in regulated environments (fintech / financial services)
 * Mobile application pentesting (OWASP MASVS) and cloud/red-team / adversary emulation experience

## Description

* Pentest the Altruist web application, APIs, infrastructure, Android application, and iOS application.
 * Break security controls continuously so we can build them better each time.
 * Perform focused authorization and exploitability assessments on high-risk attack paths
 * Conduct cloud pentests and identity-focused offensive testing.
 * Run purple-team exercises with Detection & Response and help build detections from your tradecraft.
 * Develop and maintain offensive tooling and repeatable testing playbooks; contribute to phishing and social-engineering assessments.
 * Document findings with reproducible proofs-of-concept, clear risk ratings, and actionable remediation guidance.