Software Development Engineer, Duo Security

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  • Location:
    Offsite, Ann Arbor, Michigan, US
  • Area of Interest
    Security
  • Compensation Range
    126400 USD - 222200 USD
  • Job Type
    Professional
  • Technology Interest
    Security
  • Job Id
    1441481

The application window is expected to close on: May  23, 2025. 

Note: Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received.  

The position is open to remote candidates; preference will be given to candidates located in Atlanta, GA, Cary, NC, Boston, MA, Fulton, MD, Austin, TX or Ann Arbor, MI.


Who We Are

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

What you’ll do

As a Senior Software Engineer on Duo’s AI and Security Research team, you will build systems that detect and respond to cyber risk, preventing identity compromise and providing seamless and secure access for our customers. You will work with Security Researchers, Data Scientists, and Machine Learning Engineers to deliver advanced product capabilities and support our existing Duo Trust Monitor and Risk-based Authentication systems. By joining our team, you'll contribute to a team culture of empathy, collaboration and learning, while building the next generation of intelligent solutions to keep our customers secure. Responsibilities include:

  • Work with researchers, engineers and product teams to solve technical problems of high complexity to deliver data-driven solutions
  • Build highly available services that contribute to a seamless and reliable authentication experience
  • Contribute to the team's engineering roadmap based on feedback from collaborators across our engineering and product organizations
  • Participate in the architecture and design of scalable systems for threat detection and response

Minimum Qualifications

  • 7+ years professional experience programming in Python or a similar modern language
  • 5+ years of experience creating and maintaining performant and scalable SaaS solutions
  • 5+ years of experience working with cloud infrastructure, including AWS
  • 5+ years building and working with server-side web applications, REST APIs, and/or microservices
  • A BA/BS in the field of Computer Science or related field

Preferred Qualifications

  • Ability to work with Data Scientists and Security Researchers, translating research output to customer-facing product features
  • Experience integrating machine learning and data analytics solutions into production software
  • Experience with data processing and storage frameworks such as Spark, Delta Lake, or Athena
  • Experience with Docker and Kubernetes
  • Experience clearly communicating written approaches for architecting across multiple engineering teams
  • A security/identity leader with vision, finding satisfaction in solving complex problems at the forefront of modern internet security

#WeAreCisco where every individual brings their unique skills and perspectives together to pursue our purpose of powering an inclusive future for all.

Our passion is connection—we celebrate our employees’ diverse set of backgrounds and focus on unlocking potential. Cisconians often experience one company, many careers where learning and development are encouraged and supported at every stage. Our technology, tools, and culture pioneered hybrid work trends, allowing all to not only give their best, but be their best.

We understand our outstanding opportunity to bring communities together and at the heart of that is our people. One-third of Cisconians collaborate in our 30 employee resource organizations, called Inclusive Communities, to connect, foster belonging, learn to be informed allies, and make a difference. Dedicated paid time off to volunteer—80 hours each year—allows us to give back to causes we are passionate about, and nearly 86% do!

Our purpose, driven by our people, is what makes us the worldwide leader in technology that powers the internet. Helping our customers reimagine their applications, secure their enterprise, transform their infrastructure, and meet their sustainability goals is what we do best. We ensure that every step we take is a step towards a more inclusive future for all. Take your next step and be you, with us!


Message to applicants applying to work in the U.S. and/or Canada:

When available, the salary range posted for this position reflects the projected hiring range for new hire, full-time salaries in U.S. and/or Canada locations, not including equity or benefits. For non-sales roles the hiring ranges reflect base salary only; employees are also eligible to receive annual bonuses. Hiring ranges for sales positions include base and incentive compensation target. Individual pay is determined by the candidate's hiring location and additional factors, including but not limited to skillset, experience, and relevant education, certifications, or training. Applicants may not be eligible for the full salary range based on their U.S. or Canada hiring location. The recruiter can share more details about compensation for the role in your location during the hiring process.

U.S. employees have access to quality medical, dental and vision insurance, a 401(k) plan with a Cisco matching contribution, short and long-term disability coverage, basic life insurance and numerous wellbeing offerings.

Employees receive up to twelve paid holidays per calendar year, which includes one floating holiday (for non-exempt employees), plus a day off for their birthday. Non-Exempt new hires accrue up to 16 days of vacation time off each year, at a rate of 4.92 hours per pay period. Exempt new hires participate in Cisco’s flexible Vacation Time Off policy, which does not place a defined limit on how much vacation time eligible employees may use, but is subject to availability and some business limitations. All new hires are eligible for Sick Time Off subject to Cisco’s Sick Time Off Policy and will have eighty (80) hours of sick time off provided on their hire date and on January 1st of each year thereafter.  Up to 80 hours of unused sick time will be carried forward from one calendar year to the next such that the maximum number of sick time hours an employee may have available is 160 hours. Employees in Illinois have a unique time off program designed specifically with local requirements in mind. All employees also have access to paid time away to deal with critical or emergency issues. We offer additional paid time to volunteer and give back to the community.

Employees on sales plans earn performance-based incentive pay on top of their base salary, which is split between quota and non-quota components. For quota-based incentive pay, Cisco typically pays as follows:

.75% of incentive target for each 1% of revenue attainment up to 50% of quota;

1.5% of incentive target for each 1% of attainment between 50% and 75%;

1% of incentive target for each 1% of attainment between 75% and 100%; and once performance exceeds 100% attainment, incentive rates are at or above 1% for each 1% of attainment with no cap on incentive compensation.

For non-quota-based sales performance elements such as strategic sales objectives, Cisco may pay up to 125% of target. Cisco sales plans do not have a minimum threshold of performance for sales incentive compensation to be paid.

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