• Author detailed test plans and test cases for new features, integrations, and regression cycles — covering functional, edge-case, and security-sensitive scenarios including PHI access controls and audit logging requirements • Build and maintain automation frameworks for API and end-to-end testing; integrate suites into CI/CD pipelines for continuous quality feedback • Design test scenarios that account for PHI handling, access controls, and audit logging requirements aligned with HIPAA and SOC 2 Type II controls; support audit evidence collection as needed • Identify, document, and track defects through resolution; partner with developers to reproduce issues and validate fixes • Participate in sprint ceremonies, contribute to story refinement with a quality lens, and champion shift-left testing practices across the team • Evaluate and introduce testing tools that improve coverage, speed, and reliability; maintain clear documentation of test strategies and results

• Plan, design, and execute manual test cases for backend and API functionality • Perform API testing for backend services and integrations • Develop and maintain automated tests using Java-based test automation frameworks • Investigate defects and perform root cause analysis with developers • Participate in Agile ceremonies and support sprint delivery activities • Collaborate with developers to clarify requirements and ensure test coverage • Maintain clear and up-to-date test documentation

Develop and maintain test automation frameworks, execute integration and API tests, and perform exploratory testing to ensure software quality. Collaborate within an Agile team to deliver high-quality solutions aligned with architectural standards.

Title: Senior Software Engineer, Java Department: Engineering & Quality Assurance Job Description: About the Role As a Senior Software Engineer on the NinjaOne team, contributing to our IT Operations product suite, designing and implementing scalable new solutions and product improvements. Providing clean and optimized coding solutions, you’ll work to develop high-quality software applications that exceed our customers’ expectations – seriously our customers love our products. We are engineers, technology leaders and experts. We create and deliver mission critical services to enable NinjaOne’s customers to administer, protect and maintain millions of endpoints and servers. You will have the opportunity to design and develop high-availability mission critical software systems that support our worldwide operations. Location - We are flexible on remote working from home, if you are located in the USA and reside in one of the following states - CA, CO, CT, FL, GA, *IL, KS, MA, MD, ME, NC, NJ, NY, OR, TN, TX, VA, and WA. We have physical offices in Austin, TX and Tampa, FL, if you prefer a hybrid option. We hire the best software engineers with experience in our stack: NinjaOne is built on Java, Kotlin, C++, and Postgres, supporting millions of user endpoints and running as a scalable cloud service in AWS. Knowing large-scale datastore bottlenecks, asynchronous application design and client-server architecture will help you standout. What You’ll be Doing Java and Kotlin Software Development– use your expertise to contribute to the development of large-scale software applications. Make quality an invariant part of your work and help your fellow engineers continue to meet our quality-first standards. Committing Code and Shipping Products – you will be one of our most trusted engineers committing code. Responsible for implementing design patterns and working on enterprise level software challenges, in a startup environment. Impact product more hands on than at other companies, building software of scale that runs on millions and millions of endpoints. Other duties as needed. About You - Bachelor’s degree in computer science, Computer Engineering, Information Technology, or equivalent work experience. - 10+ years' experience in Java software development for product applications or equivalent. Solid expertise in Kotlin will make you a stand out candidate. - 4+ years' experience working with highly scalable software systems. - Experience working on systems at scale and finding solutions to scale systems. - Working knowledge of a breadth of OOP design principles. - Expertise in scaling data structures and object-oriented design. - Knowledge of API best practices and REST service development using frameworks like Jersey or Spring. - Relational Database design and development experience. - Experience creating both client and server-side development, for responsive messaging. - Caching systems expertise and experience with Redis will make you a stand-out. - Expert knowledge of quality testing practices. About Us  NinjaOne automates the hardest parts of IT to deliver visibility, security, and control over all endpoints for more than 40,000 customers. The NinjaOne automated endpoint management platform is proven to increase productivity, reduce security risk, and lower costs for IT teams and managed service providers. NinjaOne is obsessed with customer success and provides free and unlimited onboarding, training, and support. NinjaOne is #1 on G2 in endpoint management, patch management, remote monitoring and management, and mobile device management. What You’ll Love  We are a collaborative, kind, and curious community.  We honor your flexibility needs with full-time work that is hybrid remote. We have you covered with our comprehensive benefits package, which includes medical, dental, and vision insurance. We help you prepare for your financial future with our 401(k) plan. We prioritize your work-life balance with our unlimited PTO. We reward your work with opportunity for growth and advancement. Additional Information This position is NOT eligible for Visa sponsorship. *Due to operational policies, NinjaOne is unable to hire for this role within the city limits of Chicago. We will consider all qualified candidates who reside outside of the city proper or are willing to self-relocate. Starting pay for the successful applicant depends on a variety of job-related factors, including but not limited to location, market demands, experience, job-related knowledge, and skills. The benefits available for this position include medical, dental, vision, 401(k) plan, life insurance coverage and PTO. For roles based in California, Colorado, New Jersey or Washington the base salary hiring range for this position is $150,000 to $220,000 per year. For roles based in New York, the base salary hiring range for this position is $150,000 to $220,000 per year. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, genetic information, marital status, veteran status, or any other status protected by applicable law. We are committed to providing an inclusive and diverse work environment. #LI-DB1