At Semperis, our mission is to be a Force for Good. Starting with being a great place to work. We believe that when people feel valued, supported, and empowered, they do their best work. That’s why we focus on creating an employee experience rooted in purpose, growth, and balance. Semperis has been recognized as one of America’s Fastest-Growing Cybersecurity Companies by the Inc. 5000, a DUNS 100 Top Startup to Work For, and a multi-year Inc. Best Workplace awardee.
What we are looking for:
We are a dynamic and innovative team in search of a seasoned Backend Software Engineer to join our ranks. As a key contributor to our flagship product, you will play a pivotal role in shaping the future of our company. We are on the lookout for a candidate who thrives in a challenging, fast-paced environment and is eager to lead feature development from concept to production.
What you will be doing:
As a Software Engineer, you will be at the forefront of feature development, actively participating from the design phase through to production release. Your primary responsibilities include writing code, analyzing data, and contributing to the design and implementation of software. You will take charge of high-impact features that are eagerly anticipated by both new and existing customers. Your expertise will be crucial in maintaining a focus on quality and agility throughout the development process.
Qualifications:
Minimum of 5 years of hands-on experience in .NET Framework/Core C# development.
Proficient in multithreading and Object-Oriented programming.
Strong experience with design patterns and a passion for clean code and solid architectures.
Bachelor’s degree in computer science or an equivalent field.
Additional Qualifications:
Experience with on-premises Windows Server deployment.
Proven ability to lead feature development in an enterprise-level environment.
Familiarity with moving parts of a solution to cloud deployment is highly desirable.
Bonus Points:
Knowledge of Active Directory/Azure Active Directory/Entra ID.
Previous involvement in developing products within the enterprise identity/security domain.
Extensive background in Windows internals, advanced concurrency controls, and operating system objects.
Excellent troubleshooting skills.
Experienced with microservice/event-oriented design and development
Ideal Knowledge Domains:
Enterprise Identity
Security
Disaster Recovery
Backup/Restore
What Sets You Apart: We are looking for someone who not only brings technical prowess but also possesses excellent leadership skills. Your ability to navigate an agile process and guide features from concept to production will be highly valued. If you are a forward-thinker with a knack for problem-solving and an eagerness to contribute to our cutting-edge solutions, we want to hear from you.
Why Join Semperis?
You’ll be part of a global team on the front lines of cybersecurity innovation. At Semperis, we celebrate curiosity, integrity, and people who take initiative. If you’re someone who sees the glass as half full, embraces challenges as growth opportunities, and values a healthy balance between work and life—we’d love to meet you.
**Semperis maintains office locations in several cities across the globe. Candidates who reside within 45 miles of one of our offices—or where the job description specifies a required location—will follow our hybrid work model. This includes working onsite three days per week and remotely the remaining days.

For security teams charged with defending hybrid and multi-cloud environments, Semperis ensures the integrity and availability of critical enterprise directory services at every step in the cyber kill chain and cuts recovery time by 90%. Purpose-built for securing hybrid identity environments—including Active Directory, Entra ID, and Okta—Semperis’ AI-powered technology protects over 100 million identities from cyberattacks, data breaches and operational errors. The world’s leading organizations trust Semperis to spot directory vulnerabilities, intercept cyberattacks in progress and quickly recover from ransomware and other data integrity emergencies. Semperis is headquartered in Hoboken, New Jersey, and operates internationally, with its research and development team distributed throughout the United States, Canada and Israel.
Semperis hosts the award-winning Hybrid Identity Protection conference and podcast series (www.hipconf.com) and built the community hybrid Active Directory cyber defender tools, Purple Knight (www.semperis.com/purple-knight/) and Forest Druid. The company has received the highest level of industry accolades, recently named to Inc. Magazine’s list of best workplaces for 2024 and ranked the fastest-growing cybersecurity company in America by the Financial Times. Semperis is a Microsoft Enterprise Cloud Alliance and Co-Sell partner and is a member of the Microsoft Intelligent Security Association (MISA).