Software Engineer II (Development & Testing)

About Kaseya

Kaseya is the leading provider of AI-powered IT management and cybersecurity software serving Managed Service Providers (MSPs) and internal IT organizations worldwide. Our comprehensive platform helps organizations efficiently manage secure and automate their IT environments driving operational efficiency and long-term business success.

Backed by Insight Partners a leading global software investor Kaseya has experienced sustained double-digit growth and continues to expand its global footprint. Today Kaseya supports customers in more than 20 countries and manages over 15 million endpoints worldwide.

Founded in 2000 Kaseya was built by builders - and were still building. We look for people who create rather than wait who see a hard problem and lean in and who treat challenges as raw material. At Kaseya everyone plays a role in shaping the future of IT: whether youre in engineering product sales marketing customer support or operations your work helps protect defend and optimize IT environments across the globe.

Were building teams that grow perform and make an impact. If youre driven by the itch to make things better - a product a process a career - youll fit right in.

At Kaseya we dont just raise the bar. We build it.

Software Engineer II Endpoint Agent (Development & Automation Testing)

Why Kaseya

Join a fast-growing company transforming the IT management and cybersecurity industry. At Kaseya we are modernizing how software is designed built tested and operated by combining strong engineering fundamentals with AI-native development practices.

You will have the opportunity to shape not only our technology architecture but also how engineering teams leverage AI to build high-quality software faster and more effectively.

Join the Kaseya growth rocket ship and see how we are #ChangingLives

Job Summary

We are looking for a Software Development Engineer II to help develop and maintain Kaseyas endpoint management agents across Windows macOS Linux and mobile platforms.

This is a hands-on software engineering role focused on building secure reliable and scalable endpoint management capabilities. The ideal candidate is passionate about operating systems systems programming device management endpoint security and software quality.

Unlike traditional development environments where quality ownership is separated our engineers own the full software lifecycle. You will design develop test deploy and support your solutions while building automated validation alongside the features you create. Successful candidates combine strong software engineering skills with a quality-first mindset and leverage automation to ensure reliability maintainability and release confidence at scale.

What You Will Do

• Design and implement new features for endpoint agents across Windows macOS Linux and mobile platforms.

• Develop software components supporting monitoring automation patching inventory collection remote actions scripting and device management.

• Write clean maintainable and well-tested code.

• Own features throughout the entire lifecycle from design and implementation through testing deployment and production support.

• Build automated tests and validation frameworks alongside feature development.

• Develop automated coverage for functional integration regression resiliency and system-level scenarios.

• Improve software quality through testability diagnostics telemetry and automation.

• Investigate customer-reported issues and production escalations.

• Perform root-cause analysis and implement preventative solutions to avoid future recurrence.

• Reproduce complex issues across diverse operating system and endpoint environments.

• Improve agent stability performance scalability security and reliability.

• Develop integrations with operating system management security frameworks and device management APIs.

• Build telemetry and diagnostics capabilities that improve product supportability and troubleshooting.

• Collaborate with Product Support Cloud Platform Security and Engineering teams to deliver customer-focused solutions.

• Participate in design discussions code reviews architecture reviews and sprint planning activities.

• Utilize AI-assisted development and testing tools to accelerate engineering productivity and improve software quality.

What You Bring

Required Qualifications

• 3 years of software engineering experience developing system software endpoint software platform services or related applications.

• Strong proficiency in C# including experience building production-grade applications and services.

• Experience building automated tests and validation capabilities as part of the software development lifecycle.

• Experience developing automated test frameworks and validation tooling using technologies such as xUnit NUnit MSTest Selenium Playwright or similar testing frameworks

• Experience with Windows system programming concepts such as Win32 APIs Windows Services WMI Registry operations process management threading security models or related operating system capabilities.

• Strong knowledge of operating system fundamentals including:Processes and threads Filesystems Networking Services and daemons Security models Privilege management Performance and resource utilization

• Strong troubleshooting debugging and root-cause analysis skills.

• Experience developing software that interacts with operating system services APIs or management frameworks.

• Understanding of software quality engineering principles test automation and CI/CD practices.

• Experience using AI-assisted development tools such as coding assistants code generation tools or intelligent debugging solutions.

Preferred Qualifications

• Experience with RMM UEM EDR XDR endpoint security or device management products.

• Knowledge of C C Rust Go

• Experience with Microsoft Intune Apple MDM Android Enterprise or Linux management platforms.

• Knowledge of PowerShell Bash Python AppleScript or other scripting technologies.

• Experience building test frameworks automation libraries or system-level validation tooling.

• Experience working with virtualization containerization or automated device provisioning environments.

• Familiarity with endpoint telemetry diagnostics observability and monitoring systems.

What Success Looks Like

A successful Senior Endpoint Software Engineer at Kaseya:

• Builds secure scalable and high-quality endpoint software.

• Owns features end-to-end from design through production support.

• Demonstrates strong ownership of both software development and quality.

• Develops automated validation alongside feature implementation.

• Solves complex customer platform and operating system challenges.

• Improves the reliability performance security and maintainability of endpoint agents.

• Rapidly diagnoses issues and implements long-term corrective solutions.

• Partners effectively across Product Support Security Platform and Engineering teams.

• Leverages AI-native engineering practices to improve productivity and accelerate delivery.

• Continuously grows expertise in operating systems endpoint management systems programming and modern software development practices.

Additional information
Kaseya provides equal employment opportunity to all employees and applicants without regard to race religion age ancestry gender sex sexual orientation national origin citizenship status physical or mental disability veteran status marital status or any other characteristic protected by applicable law.