As a Principal Software Engineer on our Windows team, you will help design and develop the next generation of multi-factor authentication and zero-trust security frameworks. Working closely with product managers, security researchers and UX designers, you will provide technical leadership to the team to propose and productize new initiative as well as expand our ability to integrate with all things Windows; including Azure platform technologies, Active Directory, Federated Services, and Remote Desktop Services.

Who you are...

• Software Architect with 10+ yrs of progressive experience
• You wear different hats and can recount interesting stories delivering products end-to-end
• Deep background delivering full stack SaaS applications on Azure (and/or AWS, GCP)
• While language is no barrier, you are fluent in C#, C++, Python, .NET, Win 32 API's, REST, Containers
• You are passionate about quality, CI/CD, and modern software testing practices
• An Agile champion
• You have excellent communication skills and collaborate well with others
• Find happiness in mentoring junior team members

Even better...

• Familiar with Windows security API's, Zero-Trust and cloud security technologies
• Worked on Azure Stack
• Experience building micro-services
• Familiarity with installers such as Wix, Install Shield

Not only are you a passionate Windows developer, but also care about...

• Growing an amazing work culture and environment
• Serving customers in the rapid, unpredictable nature of a tech startup
• "Being kinder than necessary" - if you send us a note on what this means to you, we'd love to talk to you more about it!

Duo’s mission is to make security simple for everyone. We were born from a hacker ethos and a desire to make the Internet a secure place.Our roots and values were forged in the Midwest. We believe in enabling and empowering people to follow their passions inside and outside of the office. Collaboration is our standard operating practice, and we actively seek to reduce barriers to brilliance.

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.

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 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.