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Mid Level Java Developer Jobs in Maine (NOW HIRING)

NinjaOne

Kotlin, Java Software Development -- use your expertise to contribute to the development of large ... Responsible for implementing design patterns and working on enterprise level software challenges ...

WSP

Lead P&C Field Services Technician

Freeport, ME · On-site

$70 - $90/hr

Coordinates with engineers, scientists, and subcontractors to ensure field tasks are delivered ... Mentor junior and mid-level technicians in technical procedures, safety practices, and proper ...

WSP

Lead P&C Field Services Technician

Freeport, ME · On-site

Coordinates with engineers, scientists, and subcontractors to ensure field tasks are delivered ... Mentor junior and mid-level technicians in technical procedures, safety practices, and proper ...

NinjaOne

$117K - $154K/yr

NinjaOne is built on Java , Kotlin , C++ , Golang and Postgres ; supporting millions of user ... Other duties as needed About You * 7+ years of frontend engineering experience, with expert-level ...

Maine

Senior Programmer Analyst

Augusta, ME · Hybrid

$71K - $101K/yr

Hold ourselves to a high level of Accountability by being transparent with our stakeholders ... Five years' experience with Java developing and supporting software applications, websites, web ...

State of Maine

Senior Programmer Analyst

Augusta, ME · On-site

$71K - $101K/yr

Hold ourselves to a high level of Accountability by being transparent with our stakeholders ... Five years' experience with Java developing and supporting software applications, websites, web ...

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How much do mid level java developer jobs pay per hour?

As of Aug 20, 2026, the average hourly pay for mid level java developer in Maine is $55.72, according to ZipRecruiter salary data. Most workers in this role earn between $48.65 and $63.56 per hour, depending on experience, location, and employer.

What is a mid level Java developer?

A Mid Level Java Developer is responsible for designing, developing, and maintaining Java-based applications. They typically have 2-5 years of experience and work on coding, debugging, and optimizing software solutions. They collaborate with teams, follow best coding practices, and may mentor junior developers. Their role involves understanding project requirements, integrating APIs, and ensuring application performance. Mid Level Java Developers contribute to both backend and frontend development, depending on the project needs.

What are the key skills and qualifications needed to thrive as a mid level Java developer?

Successful Mid Level Java Developers possess a solid understanding of Java programming, object-oriented design, and commonly used frameworks such as Spring or Hibernate, typically backed by a relevant degree and professional experience. Familiarity with tools like Git, Maven, popular IDEs (e.g., IntelliJ IDEA or Eclipse), and certifications like Oracle Certified Professional Java Programmer (OCPJP) are advantageous. Strong collaboration, problem-solving abilities, and effective communication skills help developers work efficiently within agile teams and cross-functional projects. Mastering both technical and soft skills ensures smooth project delivery, maintainable code quality, and productive teamwork in dynamic software development environments.

What does a typical workday look like for a mid level Java developer?

As a Mid Level Java Developer, your typical workday often involves writing and testing Java code, troubleshooting existing applications, and participating in code reviews. You'll collaborate closely with other developers, QA engineers, and sometimes product managers in agile sprints to ensure features are delivered according to requirements. Daily stand-up meetings are common, as is the use of tools like Jira for tracking tasks. You may also spend time learning new frameworks or best practices, which helps with both personal growth and contributing to more efficient software solutions.

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The most popular types of Java Developer jobs in Maine are:

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Mid Level Java Developer jobs near you
Infographic showing various Mid Level Java Developer job openings in Maine as of August 2026, with employment types broken down into 76% Full Time, 15% Part Time, 3% Temporary, and 6% Contract. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution, with an average salary of $115,893 per year, or $55.7 per hour.

Maintenance Mechanic III - Bar Harbor

The Jackson Laboratory

Bar Harbor, ME • On-site

$33.51 - $48.60/hr

Full-time

Posted 16 days ago

The Jackson Laboratory rating

8.6

Company rating: 8.6 out of 10

Based on 24 frontline employees who took The Breakroom Quiz

19th of 120 rated laboratories

Job description

Maintenance Mechanic III - Bar Harbor
Maintenance Mechanic work is performed in a highly regulated critical environment that supports data centers, live animal colonies and sensitive research facilities on a 24/7 basis. These systems regulate environmental conditions required for research integrity and animal welfare. Failures or incorrect operation can lead to loss of research data, interruption of scientific operations, or harm to animals. Technicians at all levels are responsible for the operation, maintenance, modification, calibration, troubleshooting, and repair of piping and mechanical systems, high pressure steam & condensate systems, compressed air, process equipment, and other related systems as required by departmental needs. Maintenance Mechanic Level III: All level II duties plus oversees contractors involved in capital & operational projects, develops & issues bid specifications, creates & updates engineering specifications, writes standard operating procedures, participates in long range capital planning, evaluates 3rd party training programs and mentors & leads junior technicians.
Key Responsibilities:
  • Lead the design, programming, and commissioning of Process Equipment and other mechanical systems.
  • Serve as primary technical liaison for the specification, design, installation and commissioning of new construction and renovation projects.
  • Develop and implement preventive maintenance strategies and system performance benchmarks.
  • Conduct root cause analysis of system failures and implement corrective actions.
  • Train and mentor junior and mid-level technicians.
  • Ensure compliance with institutional safety, and environmental standards.
  • Utilize computer programs including a CMMS to document maintenance activities, calibrations & system changes, and generate reports.
  • Maintain detailed records for audits, inspections, and performance reviews.
  • Participate in rotating on-call shifts and respond to on-campus emergencies within one hour on a 24/7 basis.
  • Perform other duties as assigned, including shift work on nights, weekends, and holidays.
  • Occasional travel may be required for training and/or support of maintenance activities at other sites.

Knowledge, Skills, and Abilities
  • Expert-level knowledge of Mechanical principles.
  • Strong analytical skills for effective problem-solving.
  • Able to operate and maintain a complex mechanical systems in critical environments, utilize a CMMS, read and interpret engineering drawings, wiring diagrams, control schematics, and piping system diagrams.
  • Demonstrates a willingness and ability to quickly learn and apply new technical skills in facility maintenance and operations.
  • Excellent verbal and written communication skills for effective collaboration and documentation.
  • Level III Technicians must demonstrate a proven track record of exceptional work ethic, strategic thinking, strong leadership and mentoring abilities.
  • Trade licenses & certifications will be held in high regard.
  • Certification in confined space entry or ability to qualify within 6 months.

Pay Range: $33.51 - $48.60
#CA-EH8
About JAX:
The Jackson Laboratory is an independent, nonprofit biomedical research institution with a National Cancer Institute-designated Cancer Center and nearly 3,000 employees in locations across the United States (Maine, Connecticut, California), Japan and China. Its mission is to discover precise genomic solutions for disease and empower the global biomedical community in the shared quest to improve human health.
Founded in 1929, JAX applies over nine decades of expertise in genetics to increase understanding of human disease, advancing treatments and cures for cancer, neurological and immune disorders, diabetes, aging and heart disease. It models and interprets genomic complexity, integrates basic research with clinical application, educates current and future scientists, and provides critical data, tools and services to the global biomedical community. For more information, please visit www.jax.org.
EEO Statement:
The Jackson Laboratory provides equal employment opportunities to all employees and applicants for employment in all job classifications without regard to race, color, religion, age, mental disability, physical disability, medical condition, gender, sexual orientation, genetic information, ancestry, marital status, national origin, veteran status, and other classifications protected by applicable state and local non-discrimination laws.

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