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Java Application Developer Jobs in Ontario, CA (NOW HIRING)

Hyundai MOBIS

JAVA Programmer III

Fountain Valley, CA · On-site

$71K - $106K/yr

Minimum of 7 years of system design/programming experience with the Java platform and the Java EE Application Servers including Restful Web Services and APIs. * Android development experience ...

ADP

Application Developers

San Dimas, CA

ADP Technology Services, Inc. is hiring Application Developers in our San Dimas, California ... Java; J2EE; OOAD; OOP; JEE design; Eclipse IDE, IntelliJ; Server-side application frameworks, Java ...

ADP

Application Developers

San Dimas, CA · On-site

ADP Technology Services, Inc. is hiring Application Developers in our San Dimas, California ... Java; J2EE; OOAD; OOP; JEE design; Eclipse IDE, IntelliJ; Server-side application frameworks, Java ...

Esri

Sr. Application Security Engineer

Redlands, CA

$59 - $79/hr

As an Application Security Engineer at Esri, you will fill a critical role in helping secure Esri ... Proven ability to develop automations/applications using Python, Typescript, Java, or PowerShell

Esri

Sr. Application Security Engineer

Redlands, CA · On-site

$59 - $79/hr

They are seeking a Sr. Application Security Engineer to enhance the security of their applications ... Typescript, Java, or PowerShell • Experience creating and maintaining reusable GitHub Actions ...

idexcel

ATG Developer

Irvine, CA

Assists the lead developer and or developers in analysis, design, development, and performance optimization of web application. ? Able to develop Java, j2ee solutions including UI web presentation ...

TMS

Java Tech Lead with AWS API Gateway Exp

Irvine, CA · On-site

$70 - $75/hr

Java Tech Lead with AWS API Gateway Exp. Location: Irvine, CA (3 days onsite/week) Duration: 6 ... application performance and troubleshoot backend issues effectively Collaborate with DevOps teams ...

Esri

Sr. Application Security Engineer

Redlands, CA · On-site

$93K - $157K/yr

As an Application Security Engineer at Esri, you will fill a critical role in helping secure Esri ... Proven ability to develop automations/applications using Python, Typescript, Java, or PowerShell

Jobsbridge

Senior Java developers

Irvine, CA

$61.50 - $78.25/hr

The client will train the candidate on ' application access-control and identity management ' Must ... with Java connectors Excellent communication skills Selected candidates will be trained in the ...

Jobsbridge

.NET Developer

Santa Ana, CA · On-site

$50.25 - $66.25/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. RESPONSIBILITIES: Translate application storyboards and use cases into ...

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All JobsJava Application Developer JobsJava Application Developer Jobs in Ontario, CA

Java Application Developer information

See Ontario, CA salary details

$25

$59

$86

How much do java application developer jobs pay per hour?

As of Jul 9, 2026, the average hourly pay for java application developer in Ontario, CA is $59.45, according to ZipRecruiter salary data. Most workers in this role earn between $48.89 and $70.43 per hour, depending on experience, location, and employer.

What is the difference between Java Application Developer vs Java Software Engineer?

AspectJava Application DeveloperJava Software Engineer
Required CredentialsBachelor's in Computer Science or related field, Java certificationsBachelor's in Computer Science or related field, Java certifications
Work EnvironmentDevelops, tests, and maintains Java applicationsDesigns and implements Java-based solutions, often involved in architecture
Employer & Industry UsageTech companies, software firms, enterprise applicationsTech firms, consulting, enterprise software development
Common Search & ComparisonFocuses on application development tasksBroader role including system design and architecture

Java Application Developers primarily focus on building, testing, and maintaining Java applications, while Java Software Engineers often have a broader role involving system design and architecture. Both roles require similar credentials and are used across tech and enterprise industries, but their day-to-day responsibilities differ slightly.

What are some common challenges Java Application Developers face when working on large-scale enterprise projects?

Java Application Developers working on large-scale enterprise projects often encounter challenges such as managing complex codebases, ensuring application scalability, and maintaining robust security practices. Coordinating with cross-functional teams like QA, DevOps, and UI/UX can also present integration and communication hurdles. Staying up-to-date with evolving Java frameworks and best practices is essential to address performance bottlenecks and optimize application efficiency. Proactive problem-solving and effective collaboration are key to overcoming these challenges.

What does a Java Application Developer do?

A Java Application Developer designs, develops, and maintains software applications using the Java programming language. They are responsible for writing clean, efficient code, debugging and resolving technical issues, and collaborating with other developers, designers, and stakeholders to ensure applications meet user needs. Java Application Developers often work on both frontend and backend components, integrate databases, and ensure the security and scalability of applications. They may also participate in code reviews, testing, and documentation throughout the software development lifecycle.

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

To thrive as a Java Application Developer, you need strong proficiency in Java programming, object-oriented design, and a solid understanding of software development principles, typically supported by a degree in computer science or a related field. Familiarity with frameworks like Spring or Hibernate, version control systems such as Git, and experience with build tools and IDEs are highly valued, and certifications like Oracle Certified Professional Java Programmer can be advantageous. Excellent problem-solving abilities, effective communication, and strong teamwork skills set top developers apart. These competencies ensure the delivery of robust, maintainable applications and facilitate collaboration in dynamic development environments.
What job categories do people searching Java Application Developer jobs in Ontario, CA look for? The top searched job categories for Java Application Developer jobs in Ontario, CA are:
What cities near Ontario, CA are hiring for Java Application Developer jobs? Cities near Ontario, CA with the most Java Application Developer job openings:
Java Application Developer jobs near you
JAVA Programmer III

JAVA Programmer III

Hyundai MOBIS

Fountain Valley, CA • On-site

$71K - $106K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 8 days ago

Hyundai Mobis rating

7.3

Company rating: 7.3 out of 10

Based on 28 frontline employees who took The Breakroom Quiz

Job description

JAVA Programmer III
We are searching for an experienced JAVA Programmer III at our Headquarters facility.
Hyundai MOBIS Parts America
We think creatively and keep challenging ourselves to help create a new future and eventually make humankind's dreams a reality. Ready for the challenge?
Who We Are
Tomorrow's most advanced automotive technology is being envisioned today at MOBIS Parts America (MPA). A subsidiary of Hyundai MOBIS, we are a top leading automotive parts supplier. MPA provides after-sales service parts support for Hyundai Motors, Kia Motors, and Genesis. In addition to the distribution of genuine service parts, the MPA Accessories division develops accessories for Hyundai, Kia, and Genesis - which are installed on new vehicles in the United States and Canada.
Description
JOB PURPOSE
The programmers are responsible for direct support of AMOS (Advanced Operating System) including internal functionality and interfaces with any external systems. Support includes development of user applications, bug fixes, and modification/enhancements to existing functions, testing, system documentation, and ad-hoc data gathering/queries.
Programmers support MPA Corporate users, MPA Parts Distribution Centers, MRC, and other Subsidiaries using U.S AMOS. Support may require coordination with the systems team at HQ. Support hours may extend beyond normal business hours at MPA Corporate offices to support users in different time zones and countries or coordinate with staff in Korea.
KEY ACCOUNTABILITIES
  • 1st Develop design specification based on business user requirements 20%
  • 2nd Program development 30%
  • 3rd Troubleshoot system problems 20%
  • 4th Testing of new/modified programs 15%
  • 5th Ad Hoc data gathering/queries 15%

KEY PERFORMANCE INDICATORS
  • Under limited supervision perform the functions of a Team Leader on small projects.
  • Gather user requirements
  • Develop design specifications
  • Program devel
  • Create test plans, test cases and perform unit, integration and parallel testing of all processes.
  • Pretesting and bug fix prior to release for UAT
  • Coordinate testing with clients and verify accuracy of test results
  • Perform quality control of programs and system changes prior to implementation
  • Implement project installations to production
  • Monitor daily operations, programs, batch processing and system processing
  • Diagnoses and troubleshoot daily operations, programs and system problems
  • Operation program & logic research and documentation
  • Provide support to operational staff for error resolution

WORK SCHEDULE
  • This is a full-time, on-site position in Fountain Valley, CA.
  • 8:00 AM - 5:00 PM
  • Minimal overnight travel (up to 10%) by land and/or air.

Required Qualifications
EDUCATION REQUIREMENTS
  • Bachelor's degree in Computer Science or a related field is required or equivalent combination of education and work experience and demonstrated skills.

EXPERIENCE REQUIREMENTS
  • Minimum of 7 years of system design/programming experience with the Java platform and the Java EE Application Servers including Restful Web Services and APIs.
  • Android development experience optional but highly preferred
  • Operating Systems: AIX, Linux, (or other UNIX), Windows Server.
  • Databases: DB2, MySQL, (or other similar RDBMS such as Oracle or MS SQL)
  • Software & Languages : Java, J2EE, SQL, HTML, CSS, JavaScript, JQuery
  • Applications : WebSphere, Tomcat, (or other Web Application Server such as Apache), FTP, Email
  • Tools : Microsoft office, VISIO, Change Management, Jira, Eclipse, CVS (or other version control software)

Employment Type - Exempt, Annual Salary
Compensation - The expected hiring range for this position is $71,893.32 - 106,406.56, depending on experience and qualifications.
Hyundai Mobis Parts America - Benefits
We offer a competitive benefits package for full-time employees which include:
  • Medical, Dental, and Vision
  • 401K with employer matching
  • Tuition Reimbursement
  • Paid Vacation, Paid Sick Days and Paid Holidays
  • Mapped career plans; we believe in developing and promoting our talent!
  • Company Discounts & more!

Our company provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability or genetics.
#MPAHQ

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