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

Cotality

Software Development Engineer (Java)

Irvine, CA · On-site

$55.50 - $76.25/hr

Collaborate closely with cross-functional teams, Product Managers, and Senior Engineers to ... Hands-on experience with Java, REST APIs, GraphQL, the Spring Framework, specifically Spring Boot ...

360 IT Professionals

Senior Android Developer

Irvine, CA · On-site

$62.25 - $79/hr

Senior Android Developer Location: Irvine, CA Contract: 12+ Months Job Responsibilities: Developing ... experience in Java/C/C++. Total 7+ Years IT Experience - Working knowledge of Android SDK ...

cFive Solutions, Inc

Senior Applications Developer

Anaheim, CA · On-site

$100K - $138K/yr

Scope of Work This role is a Senior level Software Engineer/Developer that is well rounded with the ... Design, develop and test web applications developed using Angular and Java. * Develop and code ...

idexcel

Senior Software Engineer

Irvine, CA

$131K - $173K/yr

Summary: Sr. software engineer with experience of at least 5 years in developing software applications using Java/C++ in a complex distributed environment. Experience of at least 2 years developing ...

Staffingine LLC

Sr. AWS Developer / Engineer

Irvine, CA · On-site

Job Title: Sr. AWS Developer / Engineer Job Location: Irvine, CA Job Type: Contract * API Migration ... Experience with Java, Node.js, React/Angular, and PostgreSQL. * Familiarity with Docker, Kubernetes ...

CoStar

Senior DevOps Engineer

Irvine, CA · On-site

$139K - $179K/yr

Senior DevOps Engineer Overview CoStar Group (CSGP) is a leading global provider of commercial and ... Programming languages / some developer background with either Java, C#, Python, NodeJS Server-less ...

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Showing results 21-40

All JobsJava Developer JobsSenior Java Developer JobsSenior Java Developer Jobs in Ontario, CA

Senior Java Developer information

See Ontario, CA salary details

$11

$63

$87

How much do senior java developer jobs pay per hour?

As of Aug 11, 2026, the average hourly pay for senior java developer in Ontario, CA is $63.92, according to ZipRecruiter salary data. Most workers in this role earn between $56.01 and $71.39 per hour, depending on experience, location, and employer.

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

AspectSenior Java DeveloperJava Software Engineer
Required CredentialsBachelor's in CS or related, Java certifications often preferredBachelor's in CS or related, Java certifications beneficial
Work EnvironmentTeam lead roles, project management, mentoringDevelopment-focused, coding, testing, and implementation
Employer & Industry UsageTech companies, finance, e-commerceSoftware firms, startups, enterprise IT
Common Search & ComparisonOften compared for experience level and responsibilitiesSimilar roles with slight variations in scope

The main difference between a Senior Java Developer and a Java Software Engineer lies in their responsibilities and experience. Senior Java Developers typically take on leadership, mentoring, and project management roles, while Java Software Engineers focus more on coding, development, and technical implementation. Both roles require strong Java skills and relevant credentials, but the Senior Java Developer usually has more experience and a broader scope of responsibilities.

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

Senior Java Developers often encounter challenges such as maintaining code quality across large codebases, managing dependencies between modules, and ensuring optimal application performance. Collaborating with cross-functional teams—including QA, DevOps, and product management—requires clear communication and effective problem-solving. Additionally, staying updated with the latest Java frameworks and best practices is essential for delivering scalable and maintainable solutions in complex enterprise environments.

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

To thrive as a Senior Java Developer, you need advanced proficiency in Java programming, experience with software design patterns, and a strong grasp of backend development, often supported by a degree in computer science or related field. Familiarity with frameworks like Spring, build tools such as Maven or Gradle, and version control systems like Git, as well as knowledge of cloud platforms, is typically required. Excellent problem-solving, leadership, and communication skills help you guide teams and collaborate effectively. These competencies are crucial for delivering robust, scalable software solutions and driving technical success within development teams.

What is a senior Java developer?

Senior Java Developers are experienced software engineers who specialize in using the Java programming language to design, develop, and maintain complex applications. They typically lead development teams, oversee project architecture, and ensure code quality through best practices. In addition to strong coding skills, they often mentor junior developers and collaborate with stakeholders to deliver robust software solutions. Their expertise is crucial in building scalable, high-performance applications across various industries.
What are the most commonly searched types of Java Developer jobs in Ontario, CA? The most popular types of Java Developer jobs in Ontario, CA are:
What are popular job titles related to Senior Java Developer jobs in Ontario, CA? For Senior Java Developer jobs in Ontario, CA, the most frequently searched job titles are:
What job categories do people searching Senior Java Developer jobs in Ontario, CA look for? The top searched job categories for Senior Java Developer jobs in Ontario, CA are:
What cities near Ontario, CA are hiring for Senior Java Developer jobs? Cities near Ontario, CA with the most Senior Java Developer job openings:
Senior Java Developer jobs near you

Korean Bilingual Java Full-Stack Developer

Btisolutions

Santa Ana, CA • On-site

$100K/yr

Full-time

Posted 3 days ago

New

Job description

Korean Bilingual Java Full-Stack DeveloperJob Description

Key Responsibilities:

  • System design and development for various projects, service request related to Cello system
  • Provide first tier system support for daily operations of users
  • Monitor application logs & provide basic administrative work
  • Emergency support due to system issues
  • Coordinate & setup interface with various vendors using EDI
  • Perform TDD (Test Driven Development)
  • Continuous platform quality improvement through refactoring

Qualifications & Skills:

  • FrontEnd : HTML5, Javascript (JQuery, JQWidget), Vue.js, Javascript (es6), CSS, HTTP spec
  • BackEnd : Java (Spring Framework), MyBatis, DB2, PostgreSQL
  • Data modeling (logical/physical)
  • Utilization of DevOps/Agile methodology and related tools
  • TDD (Test Driven Development) experience
  • Warehouse management/local transportation-related work experience or system design/development experience
  • Bilingual Korean preferred

Rate: up to $100K/Annual (negotiable)

-Why work at BTI?

We're committed to creating a workplace where employees feel valued, supported, and empowered to grow. Our team benefits from competitive compensation, comprehensive health and wellness offerings, and opportunities for professional development. We are proud to be an equal opportunity employer and make all employment decisions without regard to race, color, religion, sex (including pregnancy, sexual orientation, and gender identity), national origin, age, disability, genetic information, veteran status, or any other legally protected status.

We comply with all applicable federal, state, and local employment laws, including those related to fair hiring practices, pay transparency, workplace safety, and reasonable accommodations. We are dedicated to maintaining an inclusive environment where everyone has the opportunity to succeed and contribute meaningfully.

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