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Senior Java Jobs in Castro Valley, CA (NOW HIRING)

Senior Java Engineer

San Francisco, CA

$67.50 - $86/hr

Company Description Jobsbridge Looking for a strong server side Java Developer with extensive experience in Spring MVC and Restful Webservices. Strong core java development on Product Platforms and ...

Sr. Java Developer

San Francisco, CA

$67.50 - $86/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. 5+ years Java programming experience developing J2EE based systems. 5+ years ...

Senior Java Developer

San Jose, CA

$67 - $85.50/hr

Good knowledge on Java/J2ee, Spring , Atom framework Development in core Java and spring framework. Good knowledge on Web Services/Data Power Good Knowledge on Web/App server knowledge , Unix, SQL ...

Sr. Java Developer

San Francisco, CA

$67.50 - $86/hr

UML J2EE Technologies, Java, HTML, MQ, and JSP - Strong design, development and testing skills on Java Web Service components - Skilled working in a MyEclipse environment - Strong design, development ...

Senior Java Developer

Fremont, CA

$62.75 - $80/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. 5+ Years of experience with Java/J2EE with Jboss EAP, Webservices REST/JSON ...

Sr. Java Developer

San Francisco, CA

$67.50 - $86/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. 4+ years Java programming experience developing J2EE based systems. 5+ years ...

Sr. Java Developer

San Francisco, CA

$67.50 - $86/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. 4+ years Java programming experience developing J2EE based systems. 5+ years ...

Senior Java Engineer

Sunnyvale, CA · On-site

$67.25 - $85.75/hr

We are seeking a skilled Java Developer to join our team. The ideal candidate will have strong experience in Java development and exposure to database technologies. You will work on designing ...

Senior Java Engineer

San Jose, CA

$67 - $85.50/hr

Expert in Java threading and concurrency with efficiently utilization database, network and file system resources; Strong experience in database interaction and O/R mappings with emphasis on ...

Senior Java Developer

San Jose, CA

$67 - $85.50/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. Able to interpret business requirements and programming specifications to ...

Senior Java Developer

San Francisco, CA

$67.50 - $86/hr

Skill Agile, Ajax, Apache, Application Servers, CSS, Developer, Development, EJB, HTML, J2EE, Java, Scrum, Location San Francisco, CA Total Experience 8 yrs. Max Salary Not Mentioned Employment Type ...

Sr. Java Developer

Pleasanton, CA · On-site

$63.75 - $81.25/hr

Full stack developer with recent In-depth knowledge of Java, OO programming, and modern web applications built on distributed service architecture * 10+ years of software development experience * BS ...

Sr.Java Developer

San Jose, CA

$67 - $85.50/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. 5+ years of Java web development experience Experience with modern Java ...

Sr. Java Developer

Sunnyvale, CA · On-site

$67.25 - $85.75/hr

Looking for experienced java engineers to work on various changes and enhancements in IDMS. * Candidates must have strong Java/JEE skills and solid understanding of relational databases. * Candidate ...

Sr. Java Developer

Sunnyvale, CA · On-site

$67.25 - $85.75/hr

Looking for experienced java engineers to work on various changes and enhancements in IDMS. * Candidates must have strong Java/JEE skills and solid understanding of relational databases. * Candidate ...

Sr Java Developer

San Jose, CA

$67 - $85.50/hr

Company Description Intelliswift Software, Inc Java with at least 3-5 years' experience Java frameworks: JPA (eg. Eclipselink, Hibernate), Struts 2, Spring Dependency Injection and related patterns ...

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Senior Java information

See Castro Valley, CA salary details

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How much do senior java jobs pay per hour?

As of Jul 14, 2026, the average hourly pay for senior java in Castro Valley, CA is $72.50, according to ZipRecruiter salary data. Most workers in this role earn between $63.51 and $81.01 per hour, depending on experience, location, and employer.

What does a Senior Java Developer do?

A Senior Java Developer is responsible for designing, developing, and maintaining complex Java-based applications. They often lead development teams, make architectural decisions, and ensure code quality through best practices. Their role also includes mentoring junior developers, participating in code reviews, and collaborating with stakeholders to deliver robust software solutions. Senior Java Developers are expected to have extensive experience with Java frameworks, databases, and deployment processes.

What is the difference between Senior Java vs Java Developer?

AspectSenior JavaJava Developer
Required CredentialsBachelor's degree, extensive Java experience, possibly certifications like Oracle Certified ProfessionalBachelor's degree, Java knowledge, entry to mid-level certifications
Work EnvironmentTeam lead, project architect, involved in design and mentoringDevelopment team member, coding, testing, and implementation
Employer & Industry UsageTech companies, finance, healthcare, enterprise solutionsStartups, tech firms, software agencies, enterprise sectors

Senior Java professionals typically have more experience, leadership responsibilities, and advanced certifications compared to Java Developers. They often lead projects and mentor junior staff, while Java Developers focus on coding and implementation. Both roles are vital in software development, but the senior position involves greater strategic input and oversight.

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

To thrive as a Senior Java Developer, you need deep expertise in Java programming, object-oriented design, and a strong grasp of software development principles, typically backed by a computer science degree or relevant experience. Experience with tools like Spring Framework, Hibernate, Maven, Git, and proficiency in using integrated development environments (IDEs) such as IntelliJ IDEA or Eclipse is essential, and certifications like Oracle Certified Professional (OCP) can be beneficial. Outstanding problem-solving skills, effective communication, and the ability to mentor junior developers set top performers apart. These skills ensure the delivery of robust, maintainable code and foster high-performing teams capable of tackling complex projects.

How do Senior Java Developers typically collaborate with cross-functional teams on large-scale projects?

Senior Java Developers often work closely with product managers, QA engineers, UI/UX designers, and DevOps teams to ensure successful project delivery. They participate in architectural discussions, provide technical guidance, and help translate business requirements into scalable software solutions. Regular communication and agile ceremonies like sprint planning and code reviews are common, allowing them to align development efforts with overall business goals and quickly address challenges. This collaborative environment helps Senior Java Developers mentor junior team members and foster a culture of continuous improvement.
What are the most commonly searched types of Java jobs in Castro Valley, CA? The most popular types of Java jobs in Castro Valley, CA are:
What cities near Castro Valley, CA are hiring for Senior Java jobs? Cities near Castro Valley, CA with the most Senior Java job openings:
4400.0121 - Sr. Java/Mac Application Developer

4400.0121 - Sr. Java/Mac Application Developer

8x8, Inc.

San Jose, CA

$67 - $85.50/hr

Full-time

Posted 6 days ago


Job description

Company Description

About 8x8, Inc.

At 8x8, Inc. (Nasdaq: EGHT) customers matter. We want to create long-lasting customer relationships and work with them to provide the best communications solutions to support their success. It starts with our innovative services and compelling prices to our quality, reliability, and proven performance. 8x8 has a proven track record of delivering great technology. From chips to systems to services, our commitment to innovation has enabled us to develop breakthrough technologies that change the communications landscape.

Job Description

PLEASE NOTE: PRIORITY WILL BE GIVEN TO LOCAL CANDIDATES (LOCAL IS CONSIDERED WITHIN 50 MILES OF SAN JOSE, CA).  

Company: 8x8, Inc.

Location: USA - CA - San Jose

Functional Area: Engineering

Employment Type: Regular, Full-time

Title: Sr. Java/Mac Application Developer

Job ID #: 4400.0121

8x8, Inc. a leader in the business communications services is looking for a smart and responsible Senior Java application developer for building their state of the art unified communications software. Our UC software integrates a variety of services like phone, fax, voicemail, call recordings, audio/video conferencing into one unified platform.

Responsibilities:

  • Play a key role in designing, architecting, and developing our next generation UC products.
  • Design and implement software and infrastructure to support high-availability and high-scalability of our UC services.
  • Design and develop our next generation video conferencing application.
Qualifications

Required skills:

  • 7+ years of application development experience
  • Mac OS X development experience
  • Solid demonstrated object oriented software development experience with Java
  • Java NIO, networking and multithreaded programming
  • In depth understanding of network and VoIP protocols including: TCP/UDP, SIP/RTP, STUN/TURN
  • Excellent troubleshooting and problem solving skills.
  • Ability to learn new technologies.
  • Bachelor degree (Master's a plus)

 

Desired skills (nice to have, not required):

  • Experience building RESTful web services
  • Familiar with following technologies, XMPP, Flash Flex/AIR, jgroups
  • Server side development using Tomcat, Netty.
Additional Information

To apply, please click the link below.  If the link does not work, please send your resume to jobs AT 8x8.com (please specify the job title in your email).

Notice to Search Firms and Staffing Agencies

8x8, Inc. maintains an approved supplier list based on current skill set and technology requirements. Therefore, our supplier base is limited to our specific hiring needs in a given business cycle. 8x8, Inc. does not accept resumes from unapproved suppliers. Any resumes received from unapproved suppliers will be considered unsolicited and 8x8, Inc. will not be obligated to pay a referral fee.

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