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Junior Java Backend Developer Jobs in Diamond Bar, CA

Prosum

Backend Java Engineer (Cloud/DevOps)

Glendale, CA

$53.50 - $69.25/hr

Strong programming experience in core Java, Python (someone who has built many tools/written many ... Implement new functionality in the UI and backend, including database access, integration through ...

Otter

Senior Backend Software Engineer

Los Angeles, CA · On-site

$167K - $230K/yr

As a backend engineer on this team, you will design and scale the services behind order ... Design, build, and maintain Java backend services for order lifecycle, payments, device sync, and ...

Otter

Senior Backend Software Engineer

Los Angeles, CA · On-site

$167K - $230K/yr

As a backend engineer on this team, you will design and scale the services behind order ... Design, build, and maintain Java backend services for order lifecycle, payments, device sync, and ...

YO AI Labs

Backend Developer - Remote

Los Angeles, CA · Remote

$80 - $120/hr

Senior Software Engineer Job Type: Contractor (~15 hours/week) Location: Remote Job Summary We are ... Strong proficiency in Python 3, Java, Rust, C++, or TypeScript . * Strong understanding of ...

Fox

Senior Developer, Back-End

Los Angeles, CA · On-site

$143K - $165K/yr

... Java as a plus. This role will work extensively with AWS Lambda, SQS, RDS, and Step Functions to ... You will play a key role in mentoring junior developers, participating in architecture discussions ...

Comcast

Sr. Backend Engineer - Xumo

Irvine, CA · Remote

$141K - $189K/yr

As a Senior Backend Engineer on the Xumo Software Engineering Team, you will play a key role in ... Java Application Development for Video Streaming Backend Systems * Develop backend systems for ...

1 point system

Java Developer

Irvine, CA · On-site

$54.75 - $70.75/hr

Develop backend services and APIs using Java-based frameworks * Build and enhance frontend ... Collaborate with engineering teams through: * Code reviews * Agile ceremonies * Design discussions

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Junior Java Backend Developer information

See Diamond Bar, CA salary details

$63.7K

$111.6K

$168.2K

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

As of Sep 2, 2026, the average yearly pay for junior java backend developer in Diamond Bar, CA is $111,594.00, according to ZipRecruiter salary data. Most workers in this role earn between $78,900.00 and $111,300.00 per year, depending on experience, location, and employer.

What is a junior Java backend developer?

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.

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

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 the most commonly searched types of Java Backend Developer jobs in Diamond Bar, CA?

The most popular types of Java Backend Developer jobs in Diamond Bar, CA are:

What are popular job titles related to Junior Java Backend Developer jobs in Diamond Bar, CA?

For Junior Java Backend Developer jobs in Diamond Bar, CA, the most frequently searched job titles are:

What cities near Diamond Bar, CA are hiring for Junior Java Backend Developer jobs?

Cities near Diamond Bar, CA with the most Junior Java Backend Developer job openings:

Junior Java Backend Developer jobs near you
Infographic showing various Junior Java Backend Developer job openings in Diamond Bar, CA as of August 2026, with employment types broken down into 81% Full Time, 6% Part Time, and 13% Contract. Highlights an 81% Physical, 5% Hybrid, and 14% Remote job distribution, with an average salary of $111,594 per year, or $53.7 per hour.

Java Developer (CCDI Operations / Backend) (Mid-Level) - Bilingual in Korean/English

SBT Global, Inc.

Irvine, CA • On-site

$100K/yr

Full-time

Re-posted 17 days ago

Job description

Company Description

JAVA Developer (CCDI Operations / Backend) (Mid-Level)

  • On-site role (Mandatory)
  • Contract position (Start: July, Minimum 1 year)
  • Compensation: $100K+ DOE

Position Overview

We are seeking Mid-Level Backend Developers to support CCDI operations and development.
This role involves CI/CD management, MSA-based deployments, backend development, data processing, Kafka-based event streaming, and database integration/migration work.

Strong English communication skills are required.

          Job Description
          • Manage and operate CI/CD pipelines (Kubernetes, MSA deployment & release management)
          • CCDI core backend development and system enhancements
          • Backend development using Java / Python
          • Database integration with PG, Oracle, MongoDB, and Redis
          • Kafka event streaming (consumer/producer development and optimization)
          • MongoDB batch processing (data deletion, legacy data migration)
          • Support EAI and database migration (BLODS, PKTMS, TODS)
          • Support Informatica migration activities
          • Provide production on-call support (average 10.8 hours/day operational coverage)
          • System monitoring, incident response, and KUS VOC support
          • Code review and QA governance
          • Additional system integration/support tasks (MQTT, ISS, JP, etc.)
          Qualifications
          • Experience in Java / Python development
          • Experience with Oracle, MongoDB, Redis, and PG database integration
          • Experience with Kubernetes and CI/CD environments
          • Experience with MSA-based systems
          • Backend development and production support experience
          • Strong English communication skills (required)

          Preferred Qualifications

          • Experience in large-scale enterprise system operations
          • Experience with database or legacy system migration
          • Experience with Kafka-based event streaming
          • Experience with EAI or Informatica migration
          • Experience in production support or 24/7 environments
          Additional Information

          All your information will be kept confidential according to EEO guidelines.

          Apply