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Application Security Engineer

ZooxFull-time$164k - $265kFoster City, CaliforniaDec 22, 2023
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Zoox is looking for an Application Security Engineer to join our Product Security team. 
Our team works on the cybersecurity of the Zoox robotaxi service. We guide and advise software engineering teams building our flagship product while aligning our efforts with our standard application architecture, shared tooling, and company-wide cybersecurity goals.

As a hands-on AppSec specialist, you will work closely with several software teams on topics both day-to-day (identifying code issues, offering guidance on a topic, reviewing new designs) and strategic (shaping the AppSec roadmap, keeping tabs on the ever-changing threat landscape, and building relationships).

Beyond software development and cybersecurity knowledge, an ideal candidate would also possess the passion and skills necessary to implement our “shift-left” approach, enabled by education and automation. This includes interest in and knowledge of effective ways to educate and guide teams we serve as well as software engineering experience to integrate and automate security systems—including developing new internal tools when appropriate.


  • Perform application security reviews (design documents and security-relevant code) and threat modeling exercises. Prototype and implement security-focused features in code in partnership with engineering teams.
  • Translate Zoox policies and standards into specific implementation guidance, including documentation, training, advice, and code-level support.
  • Work with other teams to make our application design patterns, shared libraries, and SDLC-related tooling secure-by-design.
  • Improve the developer experience of “shift-left” application security-related systems and workflows—train and support teams in using security tools independently.
  • Configure, integrate, modify, and develop off-the-shelf and custom security tools related to Software Development Lifecycle (SDLC) and application security. Triage and address issues reported by those tools, identify and report progress and trends.
  • Collaborate with feature teams and other cybersecurity teams across the company.
  • Maintain awareness of new developments and technologies and suggest things to try and more substantial architectural changes as best practices evolve.
  • Independently develop project briefs into actionable plans and carry them through.
  • Contribute to and eventually own the application security part of our team’s long-term roadmap.


  • 6+ years of experience across software engineering and cybersecurity. Deep understanding of common application security issues and their mitigations.
  • 3+ years of experience in a software engineering role, reaching fluency in a compiled statically typed language and in an interpreted dynamically typed language while developing production-grade services of substantial scope.
  • Knowledge of high availability and large system design patterns, including microservice architectures, distributed systems, principles, and practices of working with data stores, build and release management, testing, and deployment.
  • Persuasion, emotional intelligence, asynchronous communication skills, and relationship-building skills that enable you to achieve complex goals on short deadlines by teams that do not report to you.
  • Formal (threat model, attack graph, TARA) and informal ways to enumerate threats and evaluate risks, present them in common cybersecurity frameworks, and recommend multiple mitigation strategies.

Bonus Qualification

  • Knowledge of languages, patterns, and common issues in front-end applications, including single-page applications (SPAs).
  • Experience with AWS or other public clouds, DevOps/SRE practices, infrastructure-as-code tooling, and container-based service operation.
There are three major components to compensation for this position: salary, Amazon Restricted Stock Units (RSUs), and Zoox Stock Appreciation Rights. The salary range for this position is $164,000 to $265,000. A sign-on bonus may be offered as part of the compensation package. Compensation will vary based on geographic location and level. Leveling, as well as positioning within a level, is determined by a range of factors, including, but not limited to, a candidate's relevant years of experience, domain knowledge, and interview performance. The salary range listed in this posting is representative of the range of levels Zoox is considering for this position.
Zoox also offers a comprehensive package of benefits including paid time off (e.g. sick leave, vacation, bereavement), unpaid time off, Zoox Stock Appreciation Rights, Amazon RSUs, health insurance, long-term care insurance, long-term and short-term disability insurance, and life insurance.

About Zoox
Zoox is developing the first ground-up, fully autonomous vehicle fleet and the supporting ecosystem required to bring this technology to market. Sitting at the intersection of robotics, machine learning, and design, Zoox aims to provide the next generation of mobility-as-a-service in urban environments. We’re looking for top talent that shares our passion and wants to be part of a fast-moving and highly execution-oriented team.

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A Final Note:
You do not need to match every listed expectation to apply for this position. Here at Zoox, we know that diverse perspectives foster the innovation we need to be successful, and we are committed to building a team that encompasses a variety of backgrounds, experiences, and skills.


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