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Freelance Remote Java Backend Developer Jobs in Olathe, KS

NinjaOne

Senior Software Engineer, Java | Backup

Kansas, KS · Remote

$110K - $145K/yr

Collaborate with engineers across backend, infrastructure, and product teams to drive system ... Location - We are flexible on remote working from home, if you are located in the USA and reside in ...

Premier Tech Inc

Software Engineer

Kansas City, MO · Remote

Remote (All candidates must reside within 100 miles of Kansas City) Hours: 37.5 hrs/week Note: An ... legacy Java applications. * Build and maintain secure, scalable REST APIs and backend services.

NinjaOne

Senior Software Engineer, Java

Kansas, KS · On-site +1

Location - We are flexible on remote working from home, if you are located in the USA and reside in ... We hire the best software engineers with experience in our stack: NinjaOne is built on Java ...

NinjaOne

Senior Software Engineer, Java | Patching

Kansas, KS · On-site +1

$110K - $145K/yr

Location - We are flexible on remote working from home, if you are located in the USA and reside in ... engineers, but experience in our stack can't hurt: NinjaOne is built on Java , Kotlin , C ...

NinjaOne

Senior Software Engineer, Java | Patching

Kansas, KS · On-site +1

$110K - $145K/yr

Location - We are flexible on remote working from home, if you are located in the USA and reside in ... engineers, but experience in our stack can't hurt: NinjaOne is built on Java , Kotlin , C ...

New

NinjaOne

Staff Software Engineer, Java

Kansas, KS · On-site +1

Location - We are flexible on remote working from home, if you are located in the USA and reside in ... engineers, but experience in our stack can't hurt: NinjaOne is built on Java , Kotlin , C ...

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How much do freelance remote java backend developer jobs pay per hour?

As of Aug 24, 2026, the average hourly pay for freelance remote java backend developer in Olathe, KS is $52.81, according to ZipRecruiter salary data. Most workers in this role earn between $46.92 and $60.87 per hour, depending on experience, location, and employer.

What does a freelance remote Java backend developer do?

A Freelance Remote Java Backend Developer is a software professional who specializes in building and maintaining the server-side logic, databases, and APIs for web or mobile applications, primarily using the Java programming language. Working remotely, they collaborate with clients or teams from different locations to deliver backend solutions that ensure the application's performance, scalability, and security. Their responsibilities often include designing and implementing RESTful APIs, integrating with third-party services, fixing bugs, and optimizing backend processes. As freelancers, they typically manage their own schedules and work with multiple clients or projects.

What are the key skills and qualifications needed to thrive as a freelance remote Java backend developer?

To thrive as a Freelance Remote Java Backend Developer, you need strong proficiency in Java, backend frameworks (such as Spring Boot), API development, and a solid understanding of databases, often supported by a degree in computer science or equivalent experience. Familiarity with tools like Git, Docker, cloud platforms (AWS, Azure), and CI/CD pipelines is typically required, and relevant certifications can be advantageous. Excellent problem-solving abilities, clear communication, and self-motivation help you deliver high-quality solutions and collaborate effectively with clients or distributed teams. These skills and qualities are crucial for delivering robust, scalable backend systems efficiently and maintaining client satisfaction in a remote freelance environment.

What are some common challenges faced by freelance remote Java backend developers, and how can they be addressed?

Freelance remote Java backend developers often encounter challenges such as managing communication across time zones, maintaining consistent code quality, and integrating smoothly with distributed teams. To address these, it’s important to establish clear communication channels, use collaboration tools like Slack or Jira, and adhere to standardized coding and documentation practices. Regularly syncing with the client and proactively sharing updates can help ensure alignment and reduce misunderstandings.

What are popular job titles related to Freelance Remote Java Backend Developer jobs in Olathe, KS?

For Freelance Remote Java Backend Developer jobs in Olathe, KS, the most frequently searched job titles are:

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Freelance Remote Java Backend Developer jobs near you
Infographic showing various Freelance Remote Java Backend Developer job openings in Olathe, KS as of June 2026, with employment types broken down into 94% Full Time, 5% Part Time, and 1% Temporary. Highlights an 35% Physical, 3% Hybrid, and 62% Remote job distribution, with an average salary of $109,849 per year, or $52.8 per hour.

Senior Software Engineer, Java | Vulnerability

NinjaOne

Kansas, KS • On-site, Remote

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

This job post has expired today. Applications are no longer accepted.

Job description

About the Role
 
NinjaOne's Vulnerability Management team is building the real-time, AI-driven engine that helps IT teams find and fix security exposures in minutes instead of days, without slowing down the endpoints it protects. As a Senior Java Backend Engineer, you'll design and scale the backend services that power continuous vulnerability detection, CVE correlation, and remediation workflows across millions of endpoints. You'll work at the intersection of security data, high-throughput distributed systems, and AI-assisted risk prioritization, partnering closely with product and detection teams to reduce customers' mean time to remediate. This is a high-impact, high-visibility role on one of NinjaOne's newest and fastest-growing product lines.
 
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, 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. 
 
 
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 unifies IT to simplify work for nearly 40,000 customers in 140+ countries. ​
The NinjaOne Unified IT Operations Platform delivers endpoint management, autonomous patching, backup, and remote access in a single console to improve efficiency, increase resilience, and reduce spend. By automating IT and managing all endpoints, organizations give employees a great technology experience at work. ​NinjaOne is obsessed with customer success and has retained a 98% customer satisfaction score for more than 5 years.
 
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 $140,000 to $200,000 per year. 
 
For roles based in New York, the base salary hiring range for this position is $140,000 to $200,000 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.