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Junior Java Backend Developer Jobs in California

Compunnel

Core Java Backend Developer

Irvine, CA · On-site

$54.25 - $70.25/hr

Job Summary We are seeking a Core Java Backend Developer to design, develop, and maintain enterprise-scale applications that support critical business operations. This role will focus on backend ...

Samprasoft

Senior Backend Java Engineer

Oakland, CA · On-site

$138K - $179K/yr

Senior Java Backend Developer The Strategic Technology Programs Team is seeking a Senior Java Backend Developer for challenging long-term opportunities in the HealthCare IT Solutions domain. The ...

Info Way Solutions

Java Developer

Sunnyvale, CA · On-site

$60.75 - $78.50/hr

Experience Required: 8+ Years We are looking for an experienced Java Backend Developer with strong expertise in building scalable and high-performance backend applications. The candidate should have ...

Kasmo Global

Java Developer

Mountain View, CA · On-site

$59.75 - $77.25/hr

Java Backend Developer / Java Frontend Developer Location: Bay Area, Mountain View CA Duration: Contract Java, Spring Boot, AWS, SQL, CI/CD, API, REST, Micro-services, Swagger, etc. Preferably with ...

Info Way Solutions

Java Developer

San Jose, CA · On-site

$59.75 - $77.25/hr

Java Backend Developer Oracle, Spring Boot, microservices, Kafka Experience with Service Platform Should be really good with Data Structures and Algorithms

krg technology inc

Java Backend Developer

San Jose, CA

$59.25 - $76.75/hr

Ideal candidate should have excellent working knowledge in Java back end and good understanding of server-side preprocessors, accessibility and security compliance, User authentication and ...

ClifyX

Kotlin Java Backend Developers

Sunnyvale, CA · On-site

$60 - $78/hr

Job Title: Kotlin Java Backend Developers Location: Sunnyvale, CA (Onsite) Duration: 6-12+ Months ... DevOps work so they are self-sufficient and can handle basic rotation support work)

Jobsbridge

Java Backend Developer

Santa Clara, CA

$59.25 - $77/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. JAVA Extensive Experience Spring 3.0 Extensive Experience Soap and Rest ...

Jobsbridge

Java Back End Developer

San Francisco, CA · On-site

$59.50 - $77.25/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. Principle Responsibilities: - Execute on a strategic systems and ...

Jobsbridge

Java Back End Developer

San Francisco, CA · On-site

$59.50 - $77.25/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. Principle Responsibilities: - Execute on a strategic systems and ...

My3Tech Inc

JAVA Backend Engineer

San Francisco, CA · On-site

$59.50 - $77.25/hr

Java Backend Engineer Location: SFO, CA Duration: 6+ months Contract (With Likely Extension) Responsibilities: Candidate must be advanced in problem solving skills using advanced algorithms.

Samsung

Java Backend Developer

San Jose, CA · On-site

$59.25 - $76.75/hr

Company Description We are seeking a highly skilled engineer to join the cloud and data center ... in Java based server-side high-performance, highly-available applications development • ...

Samsung

Java Backend Developer

San Jose, CA · On-site

$59.25 - $76.75/hr

Company Description We are seeking a highly skilled engineer to join the cloud and data center ... Must have extensive experience and excellent expertise in Java based server-side high-performance ...

Prophecy Technologies

Java Backend Engineer

Sunnyvale, CA · On-site

$59.25 - $76.75/hr

Role Overview We are seeking a highly experienced Senior Java Backend Engineer with strong Apple domain experience to design, develop, and deliver scalable, low-latency, enterprise-grade distributed ...

Jobsbridge

Java Back-End Developer

Sunnyvale, CA · On-site

$59.75 - $77.50/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. RESPONSIBILITIES: Experience building high-performance, high-availability ...

INENT INC

Java Backend/Server side developer

San Jose, CA

$59.25 - $76.75/hr

Min 7-10 years of experience as a Java backend/server side developer. Need to be technical very strong in the below area / MUST HAVE SKILLS: Core Java, Spring, Hibernate and Webservices. Good ...

Jobsbridge

Java Back-End Developer

San Francisco, CA · On-site

$60 - $77.75/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. RESPONSIBILITIES: Experience building high-performance, high-availability ...

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Junior Java Backend Developer information

See California salary details

$60.2K

$105.4K

$158.9K

How much do junior java backend developer jobs pay per year?

As of Jun 5, 2026, the average yearly pay for junior java backend developer in California is $105,426.00, according to ZipRecruiter salary data. Most workers in this role earn between $74,500.00 and $105,100.00 per year, depending on experience, location, and employer.

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

To thrive as a Junior Java Backend Developer, you need solid knowledge of Java programming, understanding of object-oriented design, and familiarity with backend frameworks like Spring, often supported by a degree in computer science or related field. Experience with relational databases (e.g., MySQL), version control systems (like Git), and exposure to RESTful APIs and build tools (such as Maven) are typically required. Strong problem-solving skills, attention to detail, and effective communication make someone stand out in this role. These skills and qualities are crucial for building reliable, scalable server-side applications and collaborating effectively within a software development team.

What are some common challenges faced by Junior Java Backend Developers when joining a new team?

As a Junior Java Backend Developer, one common challenge is adapting to existing codebases and understanding the team's preferred coding standards and practices. You may also find it challenging to grasp complex system architectures or integrate your code with various APIs and databases. However, most teams provide onboarding support, code reviews, and mentorship to help you ramp up. Collaborating closely with senior developers and asking questions can significantly ease your transition and foster your growth in the role.

What are Junior Java Backend Developers?

Junior Java Backend Developers are entry-level software engineers who specialize in building and maintaining the server-side logic of web applications using the Java programming language. They work closely with senior developers to implement APIs, manage databases, and ensure smooth data flow between servers and users. Their responsibilities often include writing clean, efficient code, debugging applications, and learning new technologies as needed. Junior Java Backend Developers typically have a foundational knowledge of Java, SQL, and frameworks like Spring Boot.
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Junior Java Backend Developer jobs near you
Core Java Backend Developer

Core Java Backend Developer

Compunnel

Irvine, CA • On-site

$54.25 - $70.25/hr

Contractor

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

Job Summary
We are seeking a Core Java Backend Developer to design, develop, and maintain enterprise-scale applications that support critical business operations. This role will focus on backend development, application enhancement, performance optimization, and full lifecycle software delivery. The ideal candidate will possess strong Core Java expertise, database development experience, and the ability to collaborate effectively with business and technical stakeholders to deliver high-quality solutions.
Key Responsibilities
  • Collaborate with business analysts, stakeholders, and development teams to design solutions for complex business requirements.
  • Develop technical specifications, design documents, and implementation plans.
  • Design, develop, enhance, and maintain enterprise-scale backend applications.
  • Build and support high-performance, scalable, and maintainable software solutions using Core Java technologies.
  • Create, execute, and support comprehensive testing strategies and test plans.
  • Participate in application architecture, design, development, testing, deployment, and support activities.
  • Troubleshoot production issues and implement solutions to ensure system stability, reliability, and performance.
  • Develop and optimize SQL queries and database interactions to improve application efficiency.
  • Collaborate with cross-functional teams to deliver software solutions that meet business and technical requirements.
  • Support continuous improvement initiatives, code reviews, and development best practices.
  • Maintain technical documentation and support knowledge-sharing activities across the team.

Required Qualifications
  • Bachelor's degree in Computer Science or a related field.
  • 5+ years of experience in enterprise software development.
  • Strong hands-on experience with Core Java development using POJO-based architectures.
  • Expertise in multithreaded application development.
  • Strong experience with JDBC and database connectivity frameworks.
  • Experience working with JMS and messaging-based architectures.
  • Strong SQL and relational database development experience.
  • Experience developing, tuning, and optimizing complex SQL queries for performance.
  • Familiarity with Unix/Linux operating systems and development environments.
  • Experience with shell scripting.
  • Strong understanding of software development lifecycle (SDLC) methodologies and best practices.
  • Excellent analytical, troubleshooting, and problem-solving skills.
  • Strong verbal and written communication skills.

Preferred Qualifications
  • Experience supporting enterprise transaction processing or high-volume backend systems.
  • Experience with application performance tuning and optimization.
  • Experience working within Agile software development environments.
  • Familiarity with distributed systems and messaging architectures.
  • Experience supporting production environments and troubleshooting complex application issues.
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About Compunnel

Sourced by ZipRecruiter

Compunnel is a well-known company located in Plainsboro, NJ, US, recognized in the industry of IT Services and Solutions. Established in 1989, Compunnel offers a suite of services that help businesses integrate technology efficiently into their operations, a recognizable name in the IT solutions sphere for over three decades. The company’s service portfolio includes Digital Transformation, Business Intelligence, Cloud Services, Cybersecurity, and Application Modern Services, among others. Guided by its mission "to innovate with industry-leading digital solutions and disruptive tech strategies for unimagining business growth," the company underlines its commitment to offering out-of-the-box solutions to its clients. Remarkable achievements of the company include serving more than 30 Fortune 500 companies and providing job opportunities for over 50,000 individuals.

Industry

It services

Company size

501 - 1,000 Employees

Headquarters location

Plainsboro, NJ, US

Year founded

1994

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