Duo Security

Our mission is simple: democratize security by making it easy and effective for everyone to use.

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Application Security Engineer

Sorry, this job was removed at 1:00 a.m. (CST) on Saturday, March 18, 2017

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Duo is on a mission to end the era of passwords and democratize advanced security technologies to protect everyone, not just the Fortune 500s. We're solving the biggest security challenges in the industry and want you to join us for the ride!

Security is critical for us - it's in the name, after all - so we're looking for an Application Security Engineer to help us continue to securely develop the best-in-breed platform for 2FA, endpoint security, and beyond!

Responsibilities include:

Training developers and other staff on security best practices
Developing in-house tools and frameworks to prevent the introduction of common vulnerabilities
Staying on top of the latest threats and trends that are relevant to our product offering and tech stack
Building process improvements to ensure security is top-of-mind throughout our software development lifecycle
Coordinating - and sometimes performing - architecture reviews and code audits
Triaging and responding to reports of product security issues
Participate in engineering solutions to protect our production environments

Our ideal candidate has experience systematically building security culture in a chaotic, rapidly-growing software engineering team - and has built secure systems (but also enjoys breaking them) across a variety of environments. If you're coming up short in these areas, but think you could still knock it out of the park, convince us why!

Qualifications:

Deep understanding of modern web security concepts like XSS, CSRF, SQLi, XXE, hunter2, ...
Experience building high-quality software in a variety of languages (e.g. Python, JavaScript, Objective-C, Java, PHP) and environments (Web, Mobile, DevOps, etc.)
Passion for building systematic - but pragmatic - security culture within an organization
Strong written and verbal communication skills, and a drive to teach
Ability to work individually and in small teams

You also:

Are ready to take on just about anything, and figure things out one way or another
Care about contributing to an amazing work culture and environment
Are comfortable with the rapid, unpredictable nature of a tech startup
Prefer trying and failing to getting it perfect the first time
Enjoy hacking the planet

Excited? We can't wait to hear from you!

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Brian Lindauer

Head of Data Science and Engineering

CONTINUOUS LEARNING

Creating an environment for professional growth

Duo Security engineers are often working in a place of ambiguity because there’s often little or no ground truth to inform developers on where to go. It takes a lot of user research and cross-collaboration to solve these challenges, but the company’s emphasis on personal growth for its team — personal development plans, the Duo Tech Summit, mentorship and generous training budgets — ensure that everyone’s suited for the job.

Duo is a place where your work can have an impact. Our business is still small enough that every single person’s work makes a huge difference for the company and its customers.

Brian Lindauer

Head of Data Science and Engineering

Hector Menchaca

Head of Engineering Effectiveness

Challenge Seekers

Collaborating and innovating to improve technology

One of Menchaca’s most interesting projects was improving Duo’s continuous integration (CI) build times. “When I joined the company, our build process in CI took anywhere from 1-4 hours (or longer), and after we took ownership of that process, we now build and test in under 20 minutes, spawning multiple parallel pipelines,” Menchaca said. “Our focus on problem-solving leads us to interesting places.”

As cultures go, Duo’s is one of the most dynamic and positive I’ve ever been a part of. At the end of the day, you make progress, do great things and build relationships along the way.

Amber Lindholm

Head of Design Research

PEOPLE FIRST

Products for the people who use them

People are focused on other things than securing access to their data. For Lindholm, that’s not an unfortunate fact: “Instead of having to spend valuable time convincing people to care, we get to focus on the work of ensuring we have the best product experience.” Through stakeholder and user personas — “Gary” and “Lee” are two of them — Duo’s entire technical team is creating products with the end experience in mind.

We have to make it so easy to use our product that the most secure path is actually the happy path for our end users and the people that deploy and administer our products.

Amber Lindholm

Head of Design Research