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Freelance Java Backend Developer Jobs in California

Senior Java Backend Developer

Mountain View, CA · On-site

$142K - $184K/yr

We are seeking an experienced Senior Java Backend Developer to design, develop, and maintain scalable, high-performance backend applications. The ideal candidate will have strong expertise in Java ...

Senior Java Backend Developer

Hayward, CA

$138K - $179K/yr

We are seeking an experienced Senior Java Backend Developer to design, develop, and maintain scalable, high-performance backend applications. The ideal candidate will have strong expertise in Java ...

Senior Java Backend Developer

Santa Clara, CA · On-site

$141K - $183K/yr

We are seeking an experienced Senior Java Backend Developer to design, develop, and maintain scalable, high-performance backend applications. The ideal candidate will have strong expertise in Java ...

$142K - $185K/yr

We are seeking an experienced Senior Java Backend Developer to design, develop, and maintain scalable, high-performance backend applications. The ideal candidate will have strong expertise in Java ...

Senior Java Backend Developer

East Palo Alto, CA · On-site

$142K - $184K/yr

We are seeking an experienced Senior Java Backend Developer to design, develop, and maintain scalable, high-performance backend applications. The ideal candidate will have strong expertise in Java ...

Senior Java Backend Developer

Palo Alto, CA · On-site

$141K - $184K/yr

We are seeking an experienced Senior Java Backend Developer to design, develop, and maintain scalable, high-performance backend applications. The ideal candidate will have strong expertise in Java ...

Senior Java Backend Developer

Atherton, CA · On-site

$146K - $189K/yr

We are seeking an experienced Senior Java Backend Developer to design, develop, and maintain scalable, high-performance backend applications. The ideal candidate will have strong expertise in Java ...

Senior Java Backend Developer

Fremont, CA

$131K - $171K/yr

We are seeking an experienced Senior Java Backend Developer to design, develop, and maintain scalable, high-performance backend applications. The ideal candidate will have strong expertise in Java ...

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 ...

Java Backend Developer

Santa Clara, CA · On-site

$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 ...

Senior Java Backend Developer

Aliso Viejo, CA · On-site

$61.25 - $78/hr

Job Summary We are seeking a Senior Java Backend Developer with 7+ years of experience in the Java/JEE ecosystem within an Agile environment. The ideal candidate should have strong hands-on coding ...

Java Back End Developer

San Francisco, CA

$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 ...

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 ...

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 ...

Showing results 41-60

Freelance Java Backend Developer information

What are the most commonly searched types of Java Backend Developer jobs in California?

The most popular types of Java Backend Developer jobs in California are:

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Cities in California with the most Freelance Java Backend Developer job openings:

Senior Java Backend Developer

PB consulting

Mountain View, CA • On-site

$142K - $184K/yr

Full-time

Posted 6 days ago


Job description

We are seeking an experienced Senior Java Backend Developer to design, develop, and maintain scalable, high-performance backend applications. The ideal candidate will have strong expertise in Java, Spring Framework, microservices, cloud-native development, and distributed systems, with a passion for building reliable and scalable enterprise applications.

Roles and Responsibilities
  • Design, develop, and maintain scalable backend services using Java and Spring Framework.
  • Develop and enhance microservices-based applications following industry best practices.
  • Participate in architecture discussions, technical design reviews, and solution planning.
  • Collaborate with cross-functional Agile teams to deliver high-quality software solutions.
  • Design APIs and define interfaces between distributed system components.
  • Build, optimize, and maintain highly available, scalable backend platforms.
  • Write clean, maintainable, and well-tested code with strong focus on performance and reliability.
  • Develop and support CI/CD pipelines, automated testing, and deployment processes.
  • Monitor, troubleshoot, and optimize application performance.
  • Contribute to code reviews, technical documentation, and continuous improvement initiatives.
Required Qualifications
  • Bachelor's degree in Computer Science, Engineering, or a related STEM field.
  • 7+ years of professional software development experience.
  • Strong expertise in Java and Spring Framework.
  • Solid understanding of Object-Oriented Programming (OOP), design patterns, and software engineering principles.
  • Hands-on experience designing and developing microservices.
  • Experience building scalable, distributed, and highly available enterprise applications.
  • Strong knowledge of relational databases such as Oracle, MySQL, PostgreSQL, or Sybase.
  • Experience with RESTful APIs and backend integration.
  • Strong knowledge of algorithms, data structures, and application performance optimization.
  • Experience working in Agile development environments.
  • Excellent analytical, problem-solving, and communication skills.
Preferred Qualifications
  • Experience with Go programming.
  • Python scripting experience.
  • Experience with Docker, Kubernetes, and container orchestration.
  • Knowledge of Service Mesh technologies.
  • Experience with cloud platforms such as AWS or Azure.
  • Experience building cloud-native applications using open-source frameworks.
  • Familiarity with CI/CD pipelines, DevOps practices, and automated deployment tools.