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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 ...

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 ...

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

Cotality

Software Development Engineer (Java)

Irvine, CA · On-site

$55.50 - $76.25/hr

... engineering team. In this role, you will design, develop, and maintain robust Java-based ... existing application performance and API response times. * Operational Troubleshooting:

AbbVie

Senior Application Security Engineer

Irvine, CA · On-site

$63 - $84.25/hr

Java, Node.js) * Extensive experience integrating security testing into CICD pipelines * Strong ... developer engagement and integrate with development workflows and tracking systems * Experience ...

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Showing results 21-40

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 Aug 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?

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 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

Sr. Java Engineer - Application & Services

TP-Link Systems Inc.

Irvine, CA • On-site

$150K - $200K/yr

Full-time

Medical, Dental, Vision, Retirement

Re-posted 19 days ago

Job description

In this role, you will be a key member of our engineering team, responsible for the design, development, and maintenance of our backend cloud applications. You will leverage your expertise in cloud technologies and backend development to build secure, reliable, and performant systems that meet our business needs.
About Us:
Headquartered in the United States, TP-Link Systems Inc. is a global provider of reliable networking devices and smart home products, consistently ranked as the world's top provider of Wi-Fi devices. The company is committed to delivering innovative products that enhance people's lives through faster, more reliable connectivity. With a commitment to excellence, TP-Link serves customers in over 170 countries and continues to grow its global footprint.
We believe technology changes the world for the better! At TP-Link Systems Inc., we are committed to crafting dependable, high-performance products to connect users worldwide with the wonders of technology.
Embracing professionalism, innovation, excellence, and simplicity, we aim to assist our clients in achieving remarkable global performance and enable consumers to enjoy a seamless, effortless lifestyle.
At TP-Link, you'll have the opportunity to tackle challenges at a massive scale. With 200+ Java services powering over 100 million connected devices and handling billions of queries per day, our global technical footprint is expansive. We're innovating across diverse areas like security cameras with machine learning and video streaming, payments, subscriptions, and smart home ecosystems-integrating seamlessly with Alexa, Google Home, and beyond.
Our U.S. team is building a dynamic culture from the ground up, focusing on best practices, collaboration, and innovation. This is your chance to take ownership of your work, grow with new and exciting technologies, and make a tangible impact on products that reach millions of customers.
Responsibilities:
  • Design, develop, and maintain highly scalable and reliable Java backend services using cloud-native technologies.
  • Collaborate with frontend engineers and other teams to ensure seamless integration.
  • Select and utilize appropriate cloud technologies (e.g., AWS, Azure, OCI) to build and deploy applications.
  • Optimize backend systems for performance, scalability, and cost-efficiency.
  • Implement robust security measures to ensure data protection and application integrity.
  • Write clean, maintainable, and well-documented code.
  • Troubleshoot and debug complex backend issues.
  • Participate in code reviews and mentor junior engineers.
  • Stay up to date on the latest cloud technologies and best practices.

Requirements
  • Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent experience).
  • 5+ years of experience in Java backend software development.
  • Proven experience designing and building scalable, reliable, and secure cloud-based applications.
  • Strong proficiency in backend programming language Java and frameworks like SpringBoot.
  • Experience with a specific cloud platform (AWS, Azure, OCI).
  • Experience with cloud-based databases (e.g., NoSQL databases, relational databases).
  • Experience with distributed middleware (e.g. Message queue, config center).
  • Experience with containerization technologies (e.g., Docker, Kubernetes).
  • In-depth knowledge of backend technologies (e.g., APIs, message queues).
  • Experience with security best practices for cloud environments.
  • Excellent communication, collaboration, and problem-solving skills.
  • Ability to work effectively in a team environment.

Benefits
  • Salary range: $150,000 - $200,000
  • Free snacks and drinks
  • Fully paid medical, dental, and vision insurance (partial coverage for dependents)
  • Contributions to 401k funds
  • Bi-annual reviews, and annual pay increases
  • Health and wellness benefits, including free gym membership
  • Quarterly team-building events

At TP-Link Systems Inc., we are continually searching for ambitious individuals who are passionate about their work. We believe that diversity fuels innovation, collaboration, and drives our entrepreneurial spirit. As a global company, we highly value diverse perspectives and are committed to cultivating an environment where all voices are heard, respected, and valued. We are dedicated to providing equal employment opportunities to all employees and applicants, and we prohibit discrimination and harassment of any kind based on race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. Beyond compliance, we strive to create a supportive and growth-oriented workplace for everyone. If you share our passion and connection to this mission, we welcome you to apply and join us in building a vibrant and inclusive team at TP-Link Systems Inc.
Please, no third-party agency inquiries, and we are unable to offer visa sponsorships at this time.

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