Senior Software Engineer - Duo Security

  • Location:
    Ann Arbor, Michigan, US
  • Alternate Location
    Remote, US
  • Area of Interest
    Engineer - Software
  • Job Type
    Professional
  • Technology Interest
    Security
  • Job Id
    1360818

Duo Security, now part of Cisco, is the leading multi-factor authentication (MFA) and secure access provider.


Duo + Cisco = Disco


With the Most Loved Company in Security and the global leader in network technology joining forces, there are more exciting opportunities than ever to be at the forefront of securing the cloud.


Our mission is simple: democratize security by making it easy and effective for everyone. We’re transforming security from the ground up by solving the world’s most pressing geopolitical challenge — safe, secure information access. We engineer our business to enable our customers to easily address their ever-evolving security challenges.

We believe that impactful work is rewarding work and that our team is at its best when everyone feels empowered to bring their whole self to work. We learn together by hiring for cultural contribution, not cultural fit, and recognize that diversity in background and thought are essential to building high-impact teams.

We invest in growth and learning opportunities and encourage our people to never stop learning. We foster collaboration and believe in being recognized (and rewarded!) for hard work. We champion a healthy work-life balance. We’re kinder than necessary.

Together we build for the future by designing simple solutions for complex problems. And that’s why we’re the most loved and trusted name in security.

Our team is our secret weapon. We run the spectrum from artists to analysts, low-key to high energy, and bring together a diversity of skill sets, experiences, and perspectives to solve what we consider to be the world's most pressing geopolitical challenge — transforming the security industry as we know it. Together we build solutions that are easy, effective, trustworthy, and enduring. And that’s why we are the most loved and trusted company in security.


What you'll do…

As a Senior Software Developer in our team you will develop the core authentication platform.

This platform is responsible for approximately 1 billion authentications per month and has a target SLA of 99.99%. Our primary responsibility is to innovate new ways to scale and increase the availability of our core platform.

Together with the team, you will help provide a solid foundation upon which features can be built and make it easy for other engineers to do the right thing in the design, development, and deployment of our products.

These foundational features include work in specifying RESTful API standards/tools, event-based service communications, and other service design related technologies.

We write and maintain code in multiple languages, mainly Python and Javascript. We value learning, and we work in a highly collaborative environment, setting each one of our team members for success while building valuable software tools.

Skills you have…

  • 6+ years professional experience as a software developer
  • Experience solving problems preferably in highly scalable web applications
  • Experience with Python or a similar modern high-level language
  • A good understanding of OOP and design patterns that avoid redundancy and promote efficiency, legibility, testability, and maintainability of code
  • Experience with SQL or noSQL databases
  • Able to work constructively in a group, not led by ego
  • Willing to learn new tools and technologies
  • Care about contributing to amazing work culture and environment
  • Love collaborating with, teaching, and learning from high-performing peers on software projects

Even better if...

  • You have experience with distributed systems and microservices architecture
  • You worked with AWS
  • You have experience with Active Directory or other directory services
  • You have knowledge of encryption, authentication, and authorization

Bring your development skills to our already diverse and talented group. We'll work together toward our goal of making security simple to understand, easy to implement, and seamlessly integrated into the world’s most popular software products.

Duo is committed to cultivating and preserving a culture of inclusion and connectedness. We are able to grow and learn better together with a diverse team of employees. The collective sum of the individual differences, life experiences, knowledge, innovation, self-expression, and talent that our employees invest in their work represents not only part of our culture, but our reputation and Duo’s achievement as well. In recruiting for our team, we welcome the unique contributions that all potential candidates can bring in terms of their education, opinions, culture, ethnicity, race, gender identity and expression, nationality, age, languages spoken, veteran’s status, religion, disability, sexual orientation and beliefs.

And if this role is exciting to you, we encourage you to apply even if you don’t meet all 100% of the description or qualifications. Finally and most importantly, we are a proud Equal Opportunity Employer.

U.S. Vaccination Requirements
Cisco requires all U.S. employees to be fully vaccinated or have an approved religious or medical accommodation. Candidates accepting an offer must provide proof of vaccination status on their first day. If someone anticipates requesting an accommodation for this requirement, they must receive approval before the start date. Candidates receiving an offer will receive additional information about the accommodation process at the time of the offer. All offers of employment are contingent upon complying with Cisco's vaccination policy.

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