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Senior Java Backend Developer Jobs in Maine (NOW HIRING)

NinjaOne

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.

VDart Inc

Java Full Stack Developer

Portland, ME · On-site

$53.75 - $69.25/hr

Java Back End, Rest API, SOAP, Micro services Required Skills: Full Stack developer with Min 6+ years overall experience in development and Integration of Services Minimum 4+ years of Java ...

VDart Inc

Java Full Stack Developer

Portland, ME · On-site

$53.75 - $69.25/hr

Java Back End, Rest API, SOAP, Micro services Required Skills: • Full Stack developer with Min 6+ years overall experience in development and Integration of Services • Minimum 4+ years of Java ...

Dellfor Technologies

senior java developer

Medway, ME

$58.75 - $75/hr

Competence in using Java IDE tools of Eclipse, GGTS, Rational Application Developer (RAD), WebSphere Application Developer (WSAD) and Web Logic Workshop to develop dynamic web applications. Good ...

NinjaOne

$119K - $157K/yr

Collaborate with engineers across backend, infrastructure, and product teams to drive system ... Java software development for product applications or equivalent. Solid expertise in Kotlin will ...

NinjaOne

$119K - $157K/yr

About the role We are looking for a Senior Software Engineer to join a newly formed team focused on ... Java and Kotlin backend development to expose NinjaOne platform functions for extensibility.

Taskdudes

java full stack developer

Sweden, ME · On-site

$49 - $63.25/hr

As a Java Full Stack Developer at Taskdudes, you will play a critical role in designing, developing ... This position requires a strong understanding of both front-end and back-end technologies, enabling ...

NinjaOne

About the Role As a Senior Software Engineer on the NinjaOne team, contributing to our IT Operation ... NinjaOne is built on Java , Kotlin , C++ , and Postgres , supporting millions of user endpoints and ...

Unum UK

Senior Software Engineer - Java/J2EE

Portland, ME · On-site

$127K - $168K/yr

The Senior Software Engineer is a key technical leader within an Agile team, partnering closely ... Strong Java development skills, including J2EE technologies (JSP, JMS) and integrations (Web ...

NinjaOne

$119K - $157K/yr

About the Role As a Senior Software Engineer, Java at NinjaOne, you'll play a key role in enhancing our IT Operations product suite by designing and implementing scalable solutions and platform ...

NinjaOne

$119K - $157K/yr

About the Role As a Senior Software Engineer, Java at NinjaOne, you'll play a key role in enhancing our IT Operations product suite by designing and implementing scalable solutions and platform ...

NinjaOne

About the Role As a Senior Software Engineer, Java at NinjaOne, you'll play a key role in enhancing our IT Operations product suite by designing and implementing scalable solutions and platform ...

Nubble Site Solutions

Android Software Developer

York, ME · On-site

$50K - $100K/yr

In this role you will be working closely with our Lead Software Developer and assisting with ... Preferred experience in Kotlin or Java, and preferred knowledge of at least one backend language ...

NinjaOne

About the role We are looking for a Senior Full Stack Software Engineer to join our Patching team ... This role is primarily backend-focused Java/Kotlin, with working proficiency in React for the ...

NinjaOne

Kotlin, Java Software Development -- use your expertise to contribute to the development of large ... backend services. Make quality an invariant part of your work and help your fellow engineers ...

New

NinjaOne

About the Role As a Senior Software Engineer on the NinjaOne team, contributing to our IT Operation ... NinjaOne is built on Java , Kotlin , C++ , Golang and Postgres ; supporting millions of user ...

Cisco

Senior Software Engineer, Backend

Augusta, ME · On-site +1

$165K - $241K/yr

This popularity comes with large scalability challenges: our backend handles more than 10billionof ... and developer experience. * Work with various groups within Cisco to understand their and our ...

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Senior Java Backend Developer information

See Maine salary details

$62K

$135.4K

$184.4K

How much do senior java backend developer jobs pay per year?

As of Jul 31, 2026, the average yearly pay for senior java backend developer in Maine is $135,392.00, according to ZipRecruiter salary data. Most workers in this role earn between $116,700.00 and $151,500.00 per year, depending on experience, location, and employer.

What is a Senior Java Backend Developer job?

A Senior Java Backend Developer is responsible for designing, implementing, and maintaining the server-side logic of applications using Java. They work with databases, APIs, and cloud services to ensure high performance and scalability. Additionally, they collaborate with front-end developers, DevOps teams, and business stakeholders to deliver robust and secure solutions. Seniors are expected to mentor junior developers and contribute to architectural decisions and best practices.

What are the typical daily responsibilities of a Senior Java Backend Developer?

Senior Java Backend Developers usually spend their days designing and implementing backend components, reviewing code, and optimizing system performance. You may take part in architecture discussions, mentor junior developers, and troubleshoot complex technical issues. Collaboration with front-end developers, QA testers, and project managers is frequent to ensure seamless integration and successful product delivery. Additionally, you might be responsible for maintaining system documentation and keeping up-to-date with new technologies relevant to backend development. Overall, the role combines hands-on coding with leadership and cross-functional teamwork.

What are the key skills and qualifications needed to thrive in the Senior Java Backend Developer position, and why are they important?

To thrive as a Senior Java Backend Developer, you need deep knowledge of Java, object-oriented design, RESTful APIs, and database systems, typically backed by a degree in computer science or related field and several years of relevant experience. Expertise in frameworks like Spring, ORM tools such as Hibernate, version control systems like Git, and, often, certifications such as Oracle Certified Professional Java Programmer are valued. Strong problem-solving, leadership, and clear communication skills help in mentoring junior developers and collaborating across teams. These competencies ensure robust, scalable backend solutions and effective team coordination in complex software projects.

What are popular job titles related to Senior Java Backend Developer jobs in Maine? For Senior Java Backend Developer jobs in Maine, the most frequently searched job titles are:
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Senior Java Backend Developer jobs near you

Senior Software Engineer, Java | Vulnerability

NinjaOne

On-site, Remote

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 5 days ago

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.Â