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EMCOR Group Inc

Mesa Energy Systems, Inc.

Irvine, CA

$23 - $27/hr

... as engineering applications and automated control systems. The UX Assistant will support our ... or professional preferred, freelance considered). • University Extension Certification ...

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How much do java programmer freelance jobs pay per hour?

As of Jul 23, 2026, the average hourly pay for java programmer freelance in the United States is $55.18, according to ZipRecruiter salary data. Most workers in this role earn between $47.36 and $62.74 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Java Programmer Freelance, and why are they important?

To excel as a Java Programmer Freelance, you need strong proficiency in Java programming, object-oriented design, and a solid understanding of software development principles, often backed by a degree in computer science or relevant experience. Familiarity with development tools like IntelliJ IDEA or Eclipse, version control systems such as Git, and knowledge of frameworks like Spring Boot are typically required. Excellent problem-solving, time management, and self-motivation are standout soft skills for managing projects and client expectations independently. These abilities are crucial for delivering reliable, high-quality code on schedule while building a strong professional reputation.

What are Java Programmer Freelancers?

Java Programmer Freelancers are independent professionals who specialize in developing software, applications, and solutions using the Java programming language on a contract or project basis. They work with clients to design, code, test, and maintain Java-based applications without being permanent employees. Freelance Java programmers are typically hired for specific projects, allowing businesses to access expert skills as needed and scale their development teams flexibly.

What is the difference between Java Programmer Freelance vs Java Developer?

AspectJava Programmer FreelanceJava Developer
CredentialsTypically requires Java certifications, programming skillsOften requires Java certifications, degree in computer science
Work EnvironmentRemote, project-based, flexible hoursIn-house or remote, part of a team, ongoing projects
Employer & IndustryClients across various industries, freelance platformsCompanies, tech firms, software development teams
Search & Comparison IntentFreelance Java programming opportunitiesFull-time Java development roles

Java Programmer Freelance typically involves project-based, flexible work for multiple clients, often remotely. Java Developers usually work as part of a team within a company, with ongoing responsibilities. Both roles require Java skills and certifications, but differ mainly in employment structure and work environment.

What are some common challenges faced by freelance Java programmers when managing multiple client projects simultaneously?

Freelance Java programmers often juggle several client projects at once, which can lead to challenges in time management, prioritizing tasks, and meeting overlapping deadlines. Balancing different codebases, client expectations, and communication styles requires strong organizational and interpersonal skills. Using project management tools, setting clear boundaries with clients, and maintaining a disciplined workflow are essential for delivering quality work and avoiding burnout. Collaboration with remote teams and handling varying documentation standards can also present hurdles, but these can be overcome with proactive communication and adaptable work habits.
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Java Programmer Freelance jobs near you
Infographic showing various Java Programmer Freelance job openings in the United States as of July 2026, with employment types broken down into 59% Full Time, 13% Part Time, 2% Temporary, 24% Contract, and 2% Nights. Highlights an 60% Physical, 2% Hybrid, and 38% Remote job distribution, with an average salary of $114,770 per year, or $55.2 per hour.
Mesa Energy Systems, Inc.

Mesa Energy Systems, Inc.

EMCOR Group Inc

Irvine, CA

$23 - $27/hr

Full-time

Posted 11 days ago

Job description

We are a full-service HVAC, building automation, chiller, and retrofit contractor with a reputation for combining high-quality consulting services with customized energy solutions. Our integrated, single-source solutions include turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems.


The UX Assistant will support our Service Department operations by streamlining processes with application development, process automation, user support, and graphic design. A qualified candidate must have a strong desire to work in a fast-paced environment, work collaboratively on multiple projects, learn with initiative, and have effective communication skills.


• Meet weekly with team members to manage project delegation, timelines, and production.
• Develop solutions with MS 365 Applications: PowerApps, Power Automate, and SharePoint.
• Support end users and seek feedback when troubleshooting or providing training.
• Assist with data entry to prepare or clean up before implementing a custom UX solution.
• Help drive an engaging, cohesive experience across all company platforms and devices.
• Become immersed in Service Operations to comprehend processes, optimize workflows, and adapt to support role in a corporate HVAC atmosphere.
• Undergo tailored training alongside the UX Designer on active projects in and outside of the Service Department operations


• High school diploma or equivalent.
• 2 years design experience (educational or professional preferred, freelance considered).
• University Extension Certification, Associates, or bachelor’s degree in Graphic Design or UX/UI Design
• Microsoft Office Experience (Excel, Word, Outlook, Suite Package)
• Strong written and oral communication skills.
• Detail oriented, accurately follows instruction, and great note taker.
• Self-motivated with an ability to adapt quickly and navigate new software.
• Creative problem-solving to proactively address issues with logic and efficiency.
• Strong proficiency with Microsoft Office, including Word and Excel.
• A familiarity with coding hierarchy and logic including HTML or Java Script.
• Work experience in a corporate office atmosphere (preferred)
• Two (2) years of experience in Graphic Design using Adobe Creative Suite (preferred).

#Mesa #LI-Mesa #LI-HVACjobs #LI-Onsite


As a leading provider of mechanical and electrical construction, facilities services, and energy infrastructure, we offer employees a competitive salary and benefits package and we are always looking for individuals with the talent and skills required to contribute to our continued growth and success. Equal Opportunity Employer/Veterans/Disabled

Please review our Affirmative Action Policy.


Notice to prospective employees: There have been fraudulent postings and emails regarding job openings. EMCOR Group and its companies list open positions here. Please check our available positions to confirm that a post or email is genuine.
EMCOR Group and its companies do not reach out to individuals to help with marketing or other similar services. If an individual is contacted for services outside of EMCORs normal application process it is probably fraudulent.

Compensation Range: $23 - $27 per hour.

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