Why This Job is Featured on The SaaS Jobs
This Senior Software Engineer role stands out in SaaS because it sits on the core of a cloud-delivered IT operations platform that manages large fleets of endpoints. Work at this layer tends to be deeply product-facing while also infrastructure-aware, where reliability, API design, and data access patterns directly shape what customers experience. The stack referenced, including Java, Kotlin, Postgres, and AWS, is representative of modern SaaS backends built to serve global usage at scale.
From a SaaS career perspective, the emphasis on high-availability systems and scaling bottlenecks maps to problems that recur across subscription businesses as usage grows. Experience with asynchronous design, client server architecture, and caching translates well to other SaaS domains where latency, throughput, and operational resilience are constant constraints. The role also signals sustained ownership through committing code and shipping, which is a durable marker of senior engineering impact in product companies.
This position is best suited to engineers who prefer hands-on delivery alongside architectural responsibility, and who enjoy diagnosing scale and performance issues rather than working only on isolated features. It will likely appeal to professionals comfortable collaborating across a distributed setup and operating in English, with an interest in backend systems that must remain dependable under continuous customer demand.
The section above is editorial commentary from The SaaS Jobs, provided to help SaaS professionals understand the role in a broader industry context.
Job Description
About the Role
As a Senior Software Java Engineer on the NinjaOne team, you will contribute 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.
English Resume Required.
Location: We are flexible on remote working from home, but you must be located in Brazil, Colombia, Ecuador, or Mexico.
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.
7+ 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 30,000 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
Our flexible working hours with home office options enable you to successfully balance your personal life and your job.
Grow personally and together with one of the fastest growing companies globally.
Develop your skills through our renowned training platform.
Receive competitive compensation.
Collaborate with an amazing international workforce.
Additional Information
This position is NOT eligible for Visa sponsorship.
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.
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