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Java Opt Jobs in California (NOW HIRING)

Java/J2EE Developer

San Mateo, CA ยท On-site

$58 - $75.25/hr

Java/J2EE Developer Sonsoft, Inc. is a USA based corporation duly organized under the laws of the ... No OPT-EAD & H1B Consultants please. * Please mention your Visa Status in your email or resume.

Sr. Java Developer

Sunnyvale, CA

$67.25 - $85.75/hr

Looking for experienced java engineers to work on various changes and enhancements in IDMS ... No OPT-EAD / H1-B Consultants please. * Please mention your Visa Status in your email or resume

Java Developer

San Francisco, CA ยท On-site

$60 - $77.75/hr

Java, J2EE (JDBC, JSP, Spring, Web Services, Hibernate, XML, AJAX, Spring Framework, web services ... No OPT-EAD & H1-B for this position. * Please mention your Visa Status in your email or resume

Java Developer

San Francisco, CA ยท On-site

$60 - $77.75/hr

Java, J2EE (JDBC, JSP, Spring, Web Services, Hibernate, XML, AJAX, Spring Framework, web services ... No OPT-EAD Consultants please. * Please mention your Visa Status in your email or resume . * please ...

Java/J2EE Developer

Foster City, CA ยท On-site

$59.50 - $77/hr

At least 4 years of experience in Java J2EE technologies Skills.. * At least 4 years of experience ... No OPT-EAD & H1B Consultants please. * Please mention your Visa Status in your email or resume

Java/J2EE Developer

Foster City, CA ยท On-site

$59.50 - $77/hr

At least 4 years of experience in Java J2EE technologies Skills * At least 4 years of experience in ... No OPT-EAD and H1B for this position. * Please mention your email id in your emai l or resume

Mongo DB Java

Sunnyvale, CA

$59.75 - $77.50/hr

At least 4 years of experience in developing using J2EE technologies including Java, Spring ... No OPT-EAD for this position. * Please mention your email id in your emai l or resume

Mongo DB Java

Sunnyvale, CA

$59.75 - $77.50/hr

At least 4 years of experience in developing using J2EE technologies including Java, Spring ... No H1B & OPT-EAD Consultants please. * Please mention your Visa Status in your email or resume.

Mongo DB Java

Sunnyvale, CA ยท On-site

$59.75 - $77.50/hr

At least 4 years of experience in developing using J2EE technologies including Java, Spring ... No OPT-EAD & H1B Consultants please. * Please mention your Visa Status in your email or resume

Java / J2EE Developer

San Francisco, CA ยท On-site

$60 - $77.75/hr

Java / J2EE Developer SonSoft is an IT Staffing and Consulting Firm and duly organized under the ... Only US Citizen, Green Card Holder, GC-EAD, H4-EAD, L2-EAD, OPT-EAD & TN can apply. No H1B ...

Java with NoSql

Sunnyvale, CA

$59.75 - $77.50/hr

At least 4 years of experience in developing using J2EE technologies including Java, Spring ... No OPT-EAD & H1-B for this position. * Please mention your Visa Status in your email or resume

Java, J2EE, Spring

Sunnyvale, CA ยท On-site

$60.75 - $78.50/hr

Java, J2EE, Spring SonSoft Inc. is a USA based corporation duly organized under the laws of the ... No OPT-EAD, H1B, TN, GC-EAD, H4-EAD & L2-EAD candidates, please. * Please mention your Visa Status ...

Java /J2EE Developer

Foster City, CA

$59.50 - $77/hr

Preferred At least 4 years of experience in Java J2EE technologies Skills At least 4 years of ... No OPT-EAD & H1B Consultants please. * Please mention your Visa Status in your email or resume

Java/J2EE Developer

Foster City, CA

$59.50 - $77/hr

At least 4 years of experience in Java J2EE technologies Skills. * At least 4 years of experience ... No OPT-EAD, TN Visa & H1-B consultans please. * Please mention your Visa Status in your email or ...

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Showing results 1-20

Java Opt information

See California salary details

$15

$55

$76

How much do java opt jobs pay per hour?

As of Jun 29, 2026, the average hourly pay for java opt in California is $55.96, according to ZipRecruiter salary data. Most workers in this role earn between $48.41 and $62.64 per hour, depending on experience, location, and employer.

What jobs can I work on OPT?

As a holder of Optional Practical Training (OPT), you can work in jobs related to your field of study, such as software development, data analysis, or IT support, often requiring relevant skills and certifications. Employers typically seek candidates with technical proficiency in programming languages like Java, and the work can be full-time or part-time depending on your visa status and program rules.

Is Java still useful in 2026?

Java remains a widely used programming language for enterprise applications, Android development, and backend systems in 2026. Java developers with skills in frameworks like Spring and knowledge of cloud environments continue to be in demand. Staying updated with new features and tools is important for Java professionals to remain competitive.

What are the key skills and qualifications needed to thrive in the Java Opt position, and why are they important?

To excel as a Java Optimization Specialist (Java Opt), you need strong expertise in Java programming, algorithms, and performance tuning, typically backed by a degree in computer science or related experience. Familiarity with profiling tools (such as VisualVM or JProfiler), JVM performance monitoring, and relevant certifications like Oracle Certified Professional Java Programmer is valuable. Analytical thinking, attention to detail, and effective communication enhance your ability to identify bottlenecks and explain solutions to technical and non-technical stakeholders. These skills are essential for optimizing application performance, ensuring efficient system operation, and delivering high-quality software solutions.

What are the common challenges faced by professionals in a Java Optimization (Java Opt) role?

Professionals in a Java Optimization role often face challenges related to identifying hidden performance bottlenecks within complex systems. They must analyze large codebases, work with legacy software, and collaborate with cross-functional teams to implement scalable solutions without introducing new issues. Balancing the need for quick fixes against long-term performance improvements requires both technical acuity and strategic thinking. Additionally, staying updated with evolving Java technologies and best practices is key to maintaining optimal application performance.

What jobs pay $2000 a day?

High-paying jobs that can reach $2000 a day often include specialized roles such as senior software developers, IT consultants, or freelance contractors with in-demand skills like Java development, cloud computing, or cybersecurity. These positions typically require extensive experience, certifications, and the ability to work on complex projects or as independent consultants. Earnings depend on industry, location, and workload, with some freelance or contract roles offering daily rates in this range.

What is a Java Opt job?

A Java Opt job typically refers to a role that involves optimizing Java applications for performance, efficiency, and scalability. Professionals in this role work on tuning JVM parameters, improving code execution, and enhancing memory management. They often analyze performance bottlenecks, use profiling tools, and implement best practices to optimize Java applications.

What job makes $10,000 a month without a degree?

A Java developer or software engineer can earn $10,000 or more per month through freelance work, contract projects, or working for high-paying companies, especially with strong programming skills and experience. Success often depends on expertise, portfolio, and the ability to secure lucrative contracts or positions without formal degrees.
What job categories do people searching Java Opt jobs in California look for? The top searched job categories for Java Opt jobs in California are:
Java/J2EE Developer

Java/J2EE Developer

SonSoft

San Mateo, CA โ€ข On-site

$58 - $75.25/hr

Other

Posted 7 days ago


Job description

Java/J2EE Developer

Sonsoft, Inc. is a USA based corporation duly organized under the laws of the Commonwealth of Georgia. Sonsoft Inc. is growing at a steady pace specializing in the fields of Software Development, Software Consultancy and Information Technology Enabled Services.

Job Description
  • At least 4 years of experience in Java J2EE technologies Skills.
  • At least 4 years of experience in software development life cycle.
  • At least 4 years of experience in Project life cycle activities on development and maintenance projects.
  • At least 4 years of experience in Java object oriented design API development using Java, REST, Spring, Jersey, Hibernate, SQL, AngularJS, ReactJS, various design patterns.
  • At least 4 years of experience in Tomcat, or other major commercial application servers.
  • At least 2 years of experience in OAuth2 or some API authentication mechanism.
  • At least 2 years of experience in API tooling like Swagger or RAML along with Unit testing and code review
  • Experience with designing multi-threaded, scalable, secure, and high performance distributed applications.
  • Strong Analytical skills.
  • Ability to translate business requirement to technical solutions. Be able to do complex designs and follow the best engineering practices.
  • Good written skills and verbal communication skills.
  • Experience and desire to work in a Global delivery environment.
Qualifications
  • Bachelor's degree or foreign equivalent required from an accredited institution. Will also consider three years of progressive experience in the specialty in lieu of every year of education
  • At least 4 years of experience with Information Technology.
Additional Information

** U.S. citizens and those authorized to work in the U.S. are encouraged to apply. We are unable to sponsor at this time.

Note:

  1. This is a Full-Time Permanent job opportunity for you.
  2. Only US Citizen, Green Card Holder, TN Visa, GC-EAD, H4-EAD & L2-EAD can apply.
  3. No OPT-EAD & H1B Consultants please.
  4. Please mention your Visa Status in your email or resume.

Sonsoft logo

About Sonsoft

Sourced by ZipRecruiter

Sonsoft , Inc. is a USA based corporation duly organized under the laws of the Commonwealth of Georgia. Sonsoft Inc. is growing at a steady pace specializing in the fields of Software Development, Software Consultancy and Information Technology Enabled Services.

Industry

It services

Company size

51 - 200 Employees

Headquarters location

Alpharetta, GA, US

Year founded

2007