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Backend Engineer Java Jobs in Ontario, CA (NOW HIRING)

eTeam

Senior Java Backend Developer

Irvine, CA · On-site

$127K - $166K/yr

Job Summary : eTeam is seeking a Senior Java Backend Developer with extensive experience in software development. The role involves designing and maintaining backend applications, building REST APIs ...

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 ... Utilize the Spring Framework (Spring Boot) to build and enhance backend Data API services, ensuring ...

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All JobsBackend Engineer Java JobsBackend Engineer Java Jobs in Ontario, CA

Backend Engineer Java information

See Ontario, CA salary details

$10

$55

$74

How much do backend engineer java jobs pay per hour?

As of Jul 31, 2026, the average hourly pay for backend engineer java in Ontario, CA is $55.58, according to ZipRecruiter salary data. Most workers in this role earn between $49.42 and $64.09 per hour, depending on experience, location, and employer.

What does a Backend Engineer Java do?

A Backend Engineer Java is responsible for developing and maintaining the server-side logic, databases, and application programming interfaces (APIs) using the Java programming language. They ensure that the backend of web applications or software systems is efficient, secure, and scalable. Their work often involves collaborating with frontend developers, designing system architecture, and optimizing performance to handle large volumes of user requests. Backend Java engineers often use frameworks such as Spring or Hibernate and work with databases like MySQL or PostgreSQL.

What is the difference between Backend Engineer Java vs Backend Developer Java?

AspectBackend Engineer JavaBackend Developer Java
Primary FocusDesigning, developing, and maintaining server-side applications and systemsImplementing and coding backend functionalities based on specifications
ResponsibilitiesSystem architecture, performance optimization, API developmentWriting code, debugging, integrating databases
Skills & CertificationsJava, Spring, REST APIs, SQL, cloud platformsJava, Spring, SQL, version control, testing tools
Work EnvironmentCollaborative teams, project planning, architecture designCode implementation, debugging, feature development

Both roles require Java expertise and similar certifications, but Backend Engineer Java typically involves higher-level system design and architecture responsibilities, while Backend Developer Java focuses more on coding and implementing features. Employers often see these roles as complementary within software development teams.

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

To thrive as a Backend Engineer Java, you need a solid understanding of Java programming, data structures, algorithms, and experience with backend frameworks, typically supported by a relevant degree or industry experience. Familiarity with tools and technologies such as Spring Boot, RESTful APIs, relational databases, and build systems like Maven or Gradle is commonly required. Problem-solving ability, teamwork, and effective communication are crucial soft skills for excelling in collaborative and fast-paced development environments. These combined skills ensure robust, scalable backend systems that meet business needs and integrate smoothly within larger software architectures.

How does a Backend Engineer Java typically collaborate with frontend developers and other stakeholders in a project?

As a Backend Engineer Java, you will regularly collaborate with frontend developers to ensure seamless integration between server-side logic and user interfaces. This often involves participating in design discussions, clarifying API requirements, and troubleshooting integration issues. You’ll also engage with product managers, QA engineers, and sometimes DevOps teams to align on project goals, timelines, and deployment strategies. Effective communication is key to translating business requirements into reliable backend solutions and maintaining smooth workflows across the team.
What job categories do people searching Backend Engineer Java jobs in Ontario, CA look for? The top searched job categories for Backend Engineer Java jobs in Ontario, CA are:
What cities near Ontario, CA are hiring for Backend Engineer Java jobs? Cities near Ontario, CA with the most Backend Engineer Java job openings:
Backend Engineer Java jobs near you
Infographic showing various Backend Engineer Java job openings in Ontario, CA as of July 2026, with employment types broken down into 1% As Needed, 88% Full Time, 6% Part Time, and 5% Contract. Highlights an 83% Physical, 3% Hybrid, and 14% Remote job distribution, with an average salary of $115,613 per year, or $55.6 per hour.

Senior Java Backend Developer

eTeam

Irvine, CA • On-site

$127K - $166K/yr

Full-time

Re-posted 15 days ago

Job description

Job Summary:
eTeam is seeking a Senior Java Backend Developer with extensive experience in software development. The role involves designing and maintaining backend applications, building REST APIs, and collaborating with cross-functional teams.
Responsibilities:
• Design, develop, and maintain scalable backend applications using Java, Spring Boot, and Microservices.
• Build and integrate REST APIs.
• Participate in requirement analysis, coding, implementation, code reviews, and testing.
• Troubleshoot, debug, and resolve application issues.
• Work independently on design and development tasks.
• Participate in Agile ceremonies and follow SDLC best practices.
• Support and guide team members when required.
• Collaborate with cross-functional teams and stakeholders.
Qualifications:
Required:
• 8–10 years of software development experience
• Minimum 7 years of hands-on Java backend development experience
• Java
• Spring Boot
• Microservices
• REST APIs
• ORM frameworks such as Hibernate or JPA
Preferred:
• Node.js
• Angular
• React Hooks
• AWS or Azure
• Adobe Experience Manager (AEM)
Company:
eTeam is a staffing agency that also provides payrolling services. Founded in 1999, the company is headquartered in Somerset, USA, with a team of 501-1000 employees. The company is currently Late Stage.

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