ZipRecruiter

Log In

1

Junior Java Programming Jobs in Eastvale, CA (NOW HIRING)

Emergence

Software Engineer - Full Stack

Irvine, CA · On-site

$120K - $140K/yr

Strong programming fundamentals in Python or similar languages (Java, TypeScript, Go) * Experience ... This isn't a junior role where you only fix bugs; you'll ship real features. Make an immediate ...

Emergence

Software Engineer - Full Stack

Irvine, CA

$120K - $140K/yr

Strong programming fundamentals in Python or similar languages (Java, TypeScript, Go) * Experience ... This isn't a junior role where you only fix bugs; you'll ship real features. Make an immediate ...

Emergence AI

Software Engineer - Full Stack

Irvine, CA · On-site

$120K - $140K/yr

Strong programming fundamentals in Python or similar languages (Java, TypeScript, Go) * Experience ... This isn't a junior role where you only fix bugs; you'll ship real features. Make an immediate ...

Emergence AI

Software Engineer - Full Stack

Irvine, CA · On-site

$120K - $140K/yr

Strong programming fundamentals in Python or similar languages (Java, TypeScript, Go) * Experience ... This isn't a junior role where you only fix bugs; you'll ship real features. Make an immediate ...

Mercury Insurance Services, LLC

Test Engineer II

Brea, CA · On-site

$76K - $142K/yr

Provide mentorship to junior team members, offering guidance on test design, execution, and best ... with Java or Python Knowledge and Skills: Familiar with the following: * Adaptability and ...

Cotality

Senior Software Engineer

Irvine, CA · On-site

$131K - $173K/yr

Provide practical guidance and support to junior and mid-level engineers when needed. Collaboration ... Advanced proficiency in Java and object-oriented design principles. Solid experience building ...

CoStar

Matterport - Lead Software Engineer

Irvine, CA

$170K - $222K/yr

... learning culture Mentor and coach junior engineers to meet their full potential Basic ... Java and/or Server-side Kotlin Experience with microservices such as Docker and Kubernetes ...

LHH US

Director of Engineering, AI/ML

Brea, CA

$200K - $320K/yr

Advanced proficiency in Java, Python, ML frameworks and ML libraries. * Required: Great ... Provide leadership and mentorship to junior team members, fostering a culture of innovation ...

LHH US

Director of Engineering, AI/ML

Brea, CA

$200K - $320K/yr

Advanced proficiency in Java, Python, ML frameworks and ML libraries. * Required: Great ... Provide leadership and mentorship to junior team members, fostering a culture of innovation ...

next page

Showing results 1-20

All JobsJava Programming JobsJunior Java Programming JobsJunior Java Programming Jobs in Eastvale, CA

Junior Java Programming information

See Eastvale, CA salary details

$64.1K

$112.3K

$169.2K

How much do junior java programming jobs pay per year?

As of Jun 16, 2026, the average yearly pay for junior java programming in Eastvale, CA is $112,254.00, according to ZipRecruiter salary data. Most workers in this role earn between $79,300.00 and $111,900.00 per year, depending on experience, location, and employer.

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

AspectJunior Java ProgrammingJunior Software Developer
Required CredentialsJava certifications, basic programming knowledgeGeneral programming skills, possibly Java certifications
Work EnvironmentDevelopment teams, Java-focused projectsVaried projects, multiple languages, broader scope
Employer & Industry UsageTech companies, software firms using JavaWide range of industries, including tech, finance, and startups
Common Search & ComparisonYesYes

Junior Java Programming typically focuses on Java-specific skills and certifications, working mainly within Java development teams. In contrast, Junior Software Developer roles may involve multiple programming languages and broader responsibilities across various projects. Both roles are entry-level and often overlap in skills, but Java programming is more specialized.

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

To thrive as a Junior Java Programmer, you need a solid understanding of Java fundamentals, object-oriented programming principles, and a relevant degree or coursework in computer science. Familiarity with integrated development environments (IDEs) like Eclipse or IntelliJ IDEA, version control systems such as Git, and basic knowledge of build tools like Maven is typically expected. Problem-solving abilities, attention to detail, and good teamwork and communication skills help you stand out in this role. These skills and qualities are crucial for writing reliable code, collaborating effectively, and adapting quickly in a dynamic software development environment.

What are some common challenges a Junior Java Programmer might face when starting out, and how can they overcome them?

As a Junior Java Programmer, you may initially find it challenging to understand large codebases, manage debugging complex issues, or adapt to new frameworks used by the team. It's common to feel overwhelmed by unfamiliar tools or best practices. To overcome these challenges, actively seek mentorship from senior developers, participate in code reviews, and dedicate time to practice and learn outside of daily tasks. Collaboration and communication within your team are key to quickly building your skills and confidence in the role.

What does a Junior Java Programmer do?

A Junior Java Programmer is an entry-level software developer who specializes in writing, testing, and maintaining Java applications. They typically work under the supervision of senior developers, assisting with coding, debugging, and implementing features. Their tasks often include fixing bugs, participating in code reviews, and learning best practices in software development. This role is ideal for individuals who are new to programming and looking to gain practical experience in Java development within a team environment.
What cities near Eastvale, CA are hiring for Junior Java Programming jobs? Cities near Eastvale, CA with the most Junior Java Programming job openings:
Junior Java Programming jobs near you

Software Engineer - Full Stack

Emergence

Irvine, CA • On-site

$120K - $140K/yr

Full-time

Medical, Dental, Vision, Retirement

Posted 18 days ago

Job description

Emergence AI is building next-generation agentic AI systems that move beyond code generation to provable task completion, verification, and long-horizon autonomy. Our Platform focuses on automating complex, mission-critical data workflows, from ingestion and transformation through analysis, decisioning, and action.
We work with customers in semiconductors, life sciences, and other data-intensive industries to turn fragmented, high-stakes data into trustworthy, continuously-operating AI Agents.
We're seeking a "Software Engineer - Full Stack" to build robust, tested, and scalable systems across our platform. You'll work across backend services, frontend interfaces, and AI agent tooling , contributing to test automation, API development, and production infrastructure that powers autonomous agents for enterprise customers. This is an excellent opportunity for an early-career engineer to gain deep experience in production AI systems while working alongside senior engineers and researchers.
Requirements
Test Automation & Quality Engineering
  • Build and maintain comprehensive test automation suites across backend APIs, frontend components, and agent workflows
  • Design integration tests that validate multi-service interactions and agent orchestration patterns
  • Implement end-to-end test scenarios covering data ingestion, transformation, and agent decision pipelines
  • Develop automated regression testing frameworks to ensure platform reliability and reduce manual QA overhead
  • Create testing infrastructure for agent evaluation, including output validation and performance benchmarking
Full-Stack Development
  • Build backend services and APIs using Python to support agent runtimes and data pipelines
  • Develop frontend interfaces for agent monitoring, workflow visualization, and human-in-the-loop approval systems
  • Implement RESTful and event-driven APIs that connect agent systems to enterprise data sources
  • Write clean, maintainable code following team conventions and code review feedback
AI Agent Tooling & Development
  • Build tooling and utilities that accelerate agent development and debugging workflows
  • Contribute to agent evaluation frameworks and observability dashboards
  • Participate in agent workflow design and implementation under senior engineer mentorship
  • Help instrument agent systems with logging, tracing, and performance monitoring
Collaboration & Growth
  • Work closely with senior engineers on architectural design and production deployment
  • Participate in code reviews, design discussions, and team planning sessions
  • Document systems, APIs, and testing strategies to support team knowledge sharing
  • Take ownership of features end-to-end with guidance from experienced team members
Requirements
Required Qualifications
Technical Foundations
  • Bachelor's or Master's degree in Computer Science, Software Engineering, or related field (or equivalent experience)
  • 0-3 years of professional software engineering experience
  • Strong programming fundamentals in Python or similar languages (Java, TypeScript, Go)
  • Experience building and consuming RESTful APIs
  • Understanding of relational databases, SQL, and data modeling basics
  • Familiarity with version control (Git), CI/CD pipelines, and automated testing frameworks

Software Engineering Skills
  • Ability to write clean, well-tested code with attention to edge cases and error handling
  • Experience with test automation frameworks (pytest, Jest, Selenium, Playwright, or similar)
  • Understanding of async programming concepts and concurrent systems
  • Basic knowledge of frontend development (React, TypeScript, HTML/CSS) or willingness to learn

Mindset & Attributes
  • High curiosity and growth mindset, excited to learn new technologies and domains
  • Strong problem-solving skills and ability to debug complex issues independently
  • Excellent communication and collaboration skills
  • Willingness to take ownership and iterate based on feedback
  • Interest in AI/ML systems and agentic AI (prior experience not required)
Nice to Have
  • Academic projects or internships involving machine learning, NLP, or AI systems
  • Experience with FastAPI, asyncio, or event-driven architectures
  • Exposure to Docker, Kubernetes, or cloud platforms (AWS, GCP, Azure)

Base Salary: $120,000 to $140,000 USD
Why Join Us?
Learn from senior engineers in a high-growth space. You'll receive hands-on mentorship from experienced engineers and researchers who are deeply invested in your growth. Our small team means you'll have direct access to technical leaders and accelerated learning opportunities.
Own problems end-to-end early in your career. You'll have the autonomy to take features from design through testing, deployment, and iteration in production with guidance and support from the team. This isn't a junior role where you only fix bugs; you'll ship real features.
Make an immediate impact on platform quality. By building robust test automation and quality infrastructure, you'll enable the team to move faster with confidence , reducing manual QA overhead and ensuring our agents operate reliably on high-stakes customer data.
If you're excited about building AI systems and want to accelerate your growth as an engineer in a small, senior team, we'd love to talk.
Emergence Benefits
  • Comprehensive health & wellness benefits, including medical, dental, vision, HSA, and FSA options
  • Voluntary insurance offerings for additional coverage
  • 401(k) plan with company match
  • Flexible time off and company holidays to support rest and recharge
  • Flexible remote work environment (Irvine-based preferred, hybrid options available)
  • One-time home office setup stipend
  • Ongoing monthly stipend to support your work-from-home needs
  • Professional development budget for courses, conferences, and learning resources

Apply