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Junior Java Software Engineer Jobs in California

Gappify

Senior Java Software Engineer

San Ramon, CA · Hybrid

$139.70K - $183.80K/yr

... software engineering expertise in Java, Spring , and applying design patterns (GoF, architectural, integration) to build clean, scalable systems. * Strong ability to evaluate, select, and apply ...

SynergisticIT

Junior DevOps engineer

Los Angeles, CA · On-site

Currently, We are looking for entry-level software programmers, IT enthusiasts, Python/Java ... if its Junior or entry level position the additional skills are the only way a candidate can be ...

Jobsbridge

Junior Java Developer

Oakland, CA

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers ... with agile software development methods -Familiar with network and server administration ...

CyberCoders

Junior Software Engineer

Costa Mesa, CA

Junior Software Engineer Position Overview: We are looking for a Junior Software Engineer to join ... The ideal candidate will have significant experience with Java, Spring, and related technologies ...

Jobsbridge

Sr. Java Software Engineer

San Francisco, CA

$147.30K - $193.80K/yr

... Java, JavaScript frameworks and custom code, as well as with third party tools and products like BIRT, Tableau, Cognos Implementing state-of-the-art software automation solutions for component ...

SynergisticIT

Junior Application Developer

Oakland, CA · On-site

$76.90K - $99.90K/yr

Currently, We are looking for entry-level software programmers, IT enthusiasts, Python/Java ... if its Junior or entry level position the additional skills are the only way a candidate can be ...

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Junior Java Software Engineer information

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

To thrive as a Junior Java Software Engineer, you need a solid understanding of Java programming, object-oriented principles, data structures, and typically a bachelor’s degree in computer science or a related field. Familiarity with version control systems like Git, build tools such as Maven or Gradle, and experience with IDEs like IntelliJ IDEA or Eclipse are common technical requirements. Strong problem-solving, eagerness to learn, and effective teamwork are standout soft skills in this role. These skills ensure you can write reliable code, collaborate efficiently, and adapt to evolving technical challenges in software development projects.

What kinds of projects or tasks can a Junior Java Software Engineer expect to work on during their first year?

As a Junior Java Software Engineer, you can expect to work on tasks such as fixing bugs, writing unit tests, and developing small features under the guidance of more experienced team members. You'll likely contribute to code reviews, participate in daily stand-ups, and collaborate closely with QA engineers and front-end developers. Over time, you may gradually take on more complex assignments, such as designing modules or integrating third-party APIs. This hands-on experience helps build your technical skills and deepen your understanding of the software development lifecycle.

What does a Junior Java Software Engineer do?

A Junior Java Software Engineer is typically responsible for assisting in the development, testing, and maintenance of software applications using the Java programming language. They work under the guidance of more experienced engineers to write code, fix bugs, and contribute to team projects. Junior engineers also learn best practices in software development, participate in code reviews, and continuously improve their technical skills. Their role often includes collaborating with other developers, designers, and quality assurance teams to deliver high-quality software solutions.

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

AspectJunior Java Software EngineerJava Developer
Required CredentialsTypically a bachelor's degree in Computer Science or related field; some certifications like Oracle Java CertificationSimilar credentials; often holds Java certifications and a degree in a related field
Work EnvironmentEntry-level position in development teams, often under supervision, focusing on coding and testingCan be entry to mid-level, involved in designing, coding, and maintaining Java applications
Employer & Industry UsageUsed across tech companies, startups, and corporate IT departmentsCommonly used in software development firms, tech companies, and enterprise environments

While both roles involve Java programming, a Junior Java Software Engineer typically focuses on learning and supporting development tasks under supervision, whereas a Java Developer may have more responsibility in designing and implementing Java applications. The roles often overlap, but the engineer role emphasizes entry-level growth, while the developer role can involve more independent work.

What are the most commonly searched types of Java Software Engineer jobs in California? The most popular types of Java Software Engineer jobs in California are:
What are popular job titles related to Junior Java Software Engineer jobs in California? For Junior Java Software Engineer jobs in California, the most frequently searched job titles are:
What job categories do people searching Junior Java Software Engineer jobs in California look for? The top searched job categories for Junior Java Software Engineer jobs in California are:
What cities in California are hiring for Junior Java Software Engineer jobs? Cities in California with the most Junior Java Software Engineer job openings:
Junior Java Software Engineer jobs near you
Infographic showing various Junior Java Software Engineer job openings in California as of May 2026, with employment types broken down into 2% Internship, 3% As Needed, 67% Full Time, 14% Part Time, 4% Temporary, and 10% Contract. Highlights an 50% Physical, 10% Hybrid, and 40% Remote job distribution.
Senior Java Software Engineer

Senior Java Software Engineer

Gappify

San Ramon, CA • Hybrid

$139.70K - $183.80K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted just now

Job description

We are seeking an experienced Senior Software Engineer with a strong understanding of software design patterns and the ability to apply them effectively across complex systems. In this role, you will lead key initiatives in cloud infrastructure, automation, and security-using solid engineering principles and well-chosen patterns to enhance reliability, scalability, and maintainability.
You will collaborate closely with product and engineering teams to refine the development lifecycle, strengthen deployment pipelines, and enhance the overall resilience and security of the platform.
This is a hybrid-remote position and is expected to be on-site in the New York office 2 days per week, with the remaining 3 days remote.
  • Design and Implement Core Systems: Build scalable, maintainable services and components, applying appropriate design patterns to ensure clear structure and long-term reliability.
  • Enhance Cloud Infrastructure: Develop and evolve AWS-based systems with strong architectural practices and high operational quality.
  • Automate Security and Quality: Integrate automated testing, security checks, and validation tools directly into the engineering pipeline.
  • Collaborate Across the SDLC: Work closely with product and engineering teams to shape designs, refine implementation plans, and ensure smooth delivery.
  • Mentor Engineers: Provide guidance on architecture, design decisions, and engineering best practices.
  • Drive Technical Evolution: Research and introduce new tools, frameworks, and approaches-including AI/ML or LLM-driven methods-that enhance overall engineering efficiency.
  • 10+ years of professional software engineering expertise in Java, Spring, and applying design patterns (GoF, architectural, integration) to build clean, scalable systems.
  • Strong ability to evaluate, select, and apply design patterns to solve complex engineering problems with clarity and maintainability.
  • Bachelor's or Master's degree in Computer Science, Engineering, or a related field.
  • Solid experience building and maintaining distributed, cloud-based systems, ideally on AWS.
  • Strong understanding of microservices architecture, service boundaries, API design, and system modularity.
  • Hands-on experience with CI/CD automation to support reliable software delivery (Jenkins, GitHub Actions, Bitbucket Pipelines).
  • Proficiency with containerization (Docker, Kubernetes) for running and scaling services.
  • Solid understanding of security fundamentals, including IAM, encryption, and secure service-to-service communication.
  • Demonstrated ability to mentor engineers, lead code reviews, and guide architectural decisions.
  • Experience with incident response, debugging distributed systems, and performing root-cause analysis.
  • Familiarity with PHP/Laravel, front-end technologies, and SQL/NoSQL databases is a plus.
  • Interest or hands-on experience applying AI/ML or LLM-driven techniques within engineering workflows. Professional certifications (AWS, Java, Architecture) are a strong plus.

 
Gappify is an equal opportunity employer and strongly encourages people of all backgrounds to apply for positions for which they are qualified. We proudly welcome unique perspectives and do not tolerate any form of discrimination.

Gappify offers full-time employees 401(k) participation, unlimited Paid Time Off (subject to company policy) and ensures employee premiums are covered in full for medical care, dental and vision. * 

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