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Junior Java Developer Jobs in Upland, CA (NOW HIRING)

USM

JAVA SOA Developer

Orange, CA

$54.50 - $70.50/hr

JAVA SOA Developer Location: Lake Forest, CA Duration: 6-12 Months Top Three Skills: SOA Java Oracle EBS Robust Integration Web Services J Developer Additional Information If my requirement matches ...

Xforia, Inc.

Backend Java Developer

San Dimas, CA · On-site

$50.50 - $65.50/hr

* Strong experience with Java, J2EE and Multi-Threading • Experience with spring and Spring Boot. • Strong Data Structures + Concurrency. • Experience in raising cases, data accuracy , high ...

New

1 point system

Junior Angular Developer

Rancho Cucamonga, CA · On-site

$68K - $88K/yr

Seeking an experienced UI Frontend Developer with strong expertise in, Angular, REST APIs, Java, Spring Boot and microservices architecture. The role involves designing, developing, and maintaining ...

VSolvit

JUNIOR SOFTWARE DEVELOPER (C++)

Norco, CA · On-site

$75K - $110K/yr

POSITION IS 100% ONSITE DAILY IN NORCO, CA Job Summary VSolvit is seeking a motivated and enthusiastic Junior Software Developer (C++) to join our team supporting the development and maintenance of ...

VSolvit

SOFTWARE DEVELOPER (FULL STACK)

Norco, CA · On-site

$110K - $165K/yr

... supporting junior developers, providing guidance on coding practices and problem-solving Basic ... Proficiency in one or more programming languages such as Java, C#, Python, or JavaScript

VSolvit

JUNIOR FULL STACK DEVELOPER

Norco, CA · On-site

$25 - $41/hr

Job Summary We are seeking a motivated and detail-oriented Junior Full Stack Developer to join our growing team. This role is ideal for recent graduates or professionals with 1-2 years of software ...

VSolvit

FULL STACK SOFTWARE DEVELOPER

Norco, CA · On-site

$105K - $165K/yr

... supporting junior developers, providing guidance on coding practices and problem-solving Basic ... Proficiency in one or more programming languages such as Java, C#, Python, or JavaScript

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All JobsJunior Java Developer JobsJunior Java Developer Jobs in Upland, CA

Junior Java Developer information

See Upland, CA salary details

$62.1K

$108.8K

$164K

How much do junior java developer jobs pay per year?

As of Jun 21, 2026, the average yearly pay for junior java developer in Upland, CA is $108,802.00, according to ZipRecruiter salary data. Most workers in this role earn between $76,900.00 and $108,500.00 per year, depending on experience, location, and employer.

What is the difference between Junior Java Developer vs Java Developer?

AspectJunior Java DeveloperJava Developer
Required Experience0-2 years2+ years
CertificationsOptional, entry-level certificationsOptional, advanced certifications
Work EnvironmentSupportive, learning-focused teamsProject-driven, independent roles
ResponsibilitiesAssist in coding, bug fixing, learning frameworksDesign, develop, maintain Java applications

The main difference between a Junior Java Developer and a Java Developer lies in experience, responsibilities, and independence. Junior Java Developers are typically entry-level, focusing on learning and supporting tasks, while Java Developers have more experience and handle complex development projects independently.

What are Junior Java Developers?

Junior Java Developers are entry-level software engineers who specialize in building and maintaining applications using the Java programming language. They typically work under the supervision of more experienced developers and are responsible for writing code, debugging, and participating in code reviews. Their tasks may also include testing software, learning new frameworks, and assisting with the design and implementation of features. Junior Java Developers usually have foundational knowledge of Java and related technologies, and they are eager to develop their skills through hands-on experience.

Is Java outdated in 2026?

Java remains a widely used programming language for junior Java developers in 2026, with ongoing updates and a large ecosystem supporting enterprise applications, Android development, and backend systems. Its stability, extensive libraries, and strong community ensure its relevance, though developers should stay current with new features and frameworks to remain competitive.

Which pays more, C++ or Java?

For a Junior Java Developer, salaries for C++ and Java roles can vary based on location, industry, and experience, but generally, C++ positions tend to offer slightly higher starting salaries due to its use in high-performance applications like gaming and finance. However, Java remains widely used in enterprise environments with competitive pay. Both skills are valuable, and salary differences are often influenced by specific job requirements and demand in the tech market.

What Does a Junior Java Developer Do?

Junior Java developers are entry-level programmers who are part of a team of coders and developers. They work on both front-end and back-end codes to build an application. Being a junior Java developer requires extensive knowledge of coding and the program language JavaScript to develop and troubleshoot products. As a junior Java developer, you run tests to pinpoint errors, migrate code and data, and ensure the program is integrated with other company developments.

Is AI replacing Java developers?

AI tools can automate certain coding tasks and improve efficiency for Java developers, but they are not replacing the need for human programmers. Java developers are still essential for designing, maintaining, and understanding complex systems, as well as integrating AI technologies into applications. Skills in problem-solving, debugging, and system architecture remain critical in the field.

What are some common challenges a Junior Java Developer might face during their first year, and how can they overcome them?

Junior Java Developers often encounter challenges such as understanding large codebases, adapting to agile development processes, and managing task priorities. To overcome these hurdles, it’s helpful to proactively seek mentorship from senior developers, regularly review documentation, and participate in code reviews. Effective communication with team members also accelerates learning and helps clarify requirements or technical uncertainties. Embracing continuous learning through online resources and hands-on projects will further strengthen your skills and confidence.

Is Java developer still in demand?

Java developers remain in high demand due to the language's widespread use in enterprise applications, Android development, and backend systems. Skills in frameworks like Spring and knowledge of cloud environments can enhance job prospects in this field.

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

A Junior Java Developer should have a solid understanding of Java programming, object-oriented principles, and basic software development concepts, often supported by a relevant degree or coding bootcamp. Familiarity with tools such as IntelliJ IDEA or Eclipse, version control systems like Git, and frameworks like Spring Boot is typically expected. Strong problem-solving abilities, attention to detail, and effective teamwork are important soft skills in this role. These competencies enable efficient code development, smooth collaboration, and the ability to quickly adapt to new technologies and project requirements.
More about Junior Java Developer jobs
What are the most commonly searched types of Java Developer jobs in Upland, CA? The most popular types of Java Developer jobs in Upland, CA are:
What cities near Upland, CA are hiring for Junior Java Developer jobs? Cities near Upland, CA with the most Junior Java Developer job openings:
Junior Java Developer jobs near you
Java Developer with ArcObjects

Java Developer with ArcObjects

Avani Technology Solutions, Inc.

Redlands, CA • On-site

Contractor

Posted 24 days ago

Job description

Java Developer with ArcObjects experience. MUST HAVE ArcObjects experience.
ESRI - Redlands, CA
12 month + contract
Hire off Skype
Job Description:
  1. Strong Java programmer, experienced in ArcObjects and writing Java-based Server Object Interceptors (SOI) and Server Object Extensions (SOE), familiar with popular Java IDEs (like Eclipse and IntelliJ), and hands-on with ArcGIS Server on Windows and Linux.
  2. 3-7 years of experience desired
  3. Task Description: Contracting position is for the role of a Software Engineer (ArcObjects Java SDK / Enterprise SDK), responsible for QA (tests, automation, reports), samples and documentation. Details are in the task definitions below.

Number
Task
Description
Software
1
Test ArcObjects SDK for ArcGIS Server.
  • Perform release certification testing at every release.
  • Review and reproduce bug submissions as they are submitted.
  • Troubleshoot failures and log software defect reports.
  • Review automated test results and update automated tests as needed.
  • Communicate test results to the team.

ArcObjects SDK
ArcGIS Server
2
Contribute documentation to the ArcObjects SDK.
  • Review documentation in the ArcObjects SDK related to ArcGIS Server and identify areas which require updating once per release.
  • Contribute edits to existing documentation as needed.
  • Create new content to the SDK as needed.

ArcObjects SDK
ArcGIS Server
3
Contribute and maintain samples for the ArcObjects SDK.
  • During release, identify samples which need updating.
  • Update samples that illustrate best practices for the ArcObjects SDK for Server.
  • Contribute samples as needed.
  • Test samples at every release.

ArcObjects SDK
ArcGIS Server
4
ArcGIS Server test automation.
  • Write tests that automate functional areas of ArcGIS Server and the ArcObjects SDK.

Maintain, update, and fix automated tests as needed. This may include code, test data, and test environments.
  • Review test results on every run.
  • Triage failures and log defects for valid issues.
  • Communicate failures that need to be addressed.

ArcGIS Server
ArcObjects SDK
5
Communicate status and results.
  • Attend and communicate status in meetings.
  • Communicate results through emails.
  • Meet with project leads on regular basis.

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