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Java Mainframe Jobs in California (NOW HIRING)

Valueprosite

mainframe with java

Carlsbad, CA

$50.75 - $65.25/hr

Mainframe with java with 10+ YOE We are looking for experienced Software Engineers to participate in an Agile development environment producing functional software solutions for delivery to our ...

PTR Global

Python Developer

San Francisco, CA

$59.25 - $81.50/hr

The team is responsible for modernizing a core mainframe-based financial application by rewriting ... Java, Scala, SQL, HiveQL * Big Data Technologies: Hadoop, Spark, HDFS, Hive, Cloudera, Hortonworks

Sonsoft Inc

Blue Prism Architect

San Francisco, CA

Should have designed and delivered project using Blueprism in multiple technology areas like mainframe, java, .NEt and ETL. * Worked in onshore and offshore model Qualifications Basic Qualification:

Sonsoft Inc

Blue Prism Architect

San Francisco, CA

Should have designed and delivered project using Blueprism in multiple technology areas like mainframe, java, .NEt and ETL. * Worked in onshore and offshore model Qualifications Basic Qualification:

E-Solutions

Senior Software Engineer

Newark, CA

$137K - $181K/yr

... mainframe and client/server applications, and major enhancement of existing systems ... This team focuses on the migration of the existing NestJS services to a Java-based microservices ...

Outfront Media

Senior Software Engineer

Los Angeles, CA · On-site +1

$132K - $174K/yr

Experience with legacy modernization (AS400, mainframe microservices) * Experience with Lease Management or asset-based systems Tech Stack Highlights * Backend: Java, Spring Boot, REST / GraphQL APIs

OUTFRONT Media

Senior Software Engineer

Los Angeles, CA · On-site +1

$132K - $174K/yr

Experience with legacy modernization (AS400, mainframe microservices) * Experience with Lease Management or asset-based systems Tech Stack Highlights * Backend: Java, Spring Boot, REST / GraphQL APIs

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How much do java mainframe jobs pay per hour?

As of Jun 13, 2026, the average hourly pay for java mainframe in California is $52.68, according to ZipRecruiter salary data. Most workers in this role earn between $46.49 and $59.81 per hour, depending on experience, location, and employer.

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

Excelling as a Java Mainframe professional requires strong skills in both Java development and mainframe technologies such as COBOL, JCL, and DB2, as well as a relevant degree in computer science or a related field. Familiarity with mainframe emulators, version control systems like Git, and certifications in Java or mainframe programming enhance technical credibility. Analytical thinking, problem-solving abilities, and effective communication are valuable soft skills in this position. These competencies are essential for successfully modernizing legacy systems, ensuring application reliability, and facilitating collaboration between development and operations teams.

Are Java jobs still in demand?

Java development remains in demand across various industries due to its widespread use in enterprise applications, Android development, and backend systems. Java Mainframe roles are less common but may still exist in organizations maintaining legacy systems; proficiency in related tools like Spring or cloud platforms can enhance job prospects.

Is Java outdated in 2026?

Java remains a widely used programming language in 2026, especially in enterprise environments and mainframe systems. Java developers are in demand for maintaining legacy applications and working with modern frameworks, making it a valuable skill for many IT roles. Continuous updates and strong community support help ensure its relevance.

Is mainframe still in demand?

Mainframe skills remain in demand for large enterprises that rely on legacy systems, especially in banking, finance, and government sectors. Java Mainframe developers with knowledge of COBOL, JCL, and mainframe environments are valued for maintaining and modernizing these systems, which often require specialized certifications and experience. The demand is steady due to the critical nature of mainframe operations and the ongoing need for system integration and security.

What is a Java Mainframe job?

A Java Mainframe job involves developing, maintaining, and optimizing applications that run on mainframe systems using Java and related technologies. Professionals in this role work with legacy systems, integrating modern Java-based applications with COBOL, DB2, CICS, and other mainframe technologies. They often focus on performance tuning, debugging, and ensuring seamless interaction between mainframe and distributed systems. This role requires expertise in both Java programming and mainframe architectures.

What are the typical responsibilities of a Java Mainframe developer in a modern IT team?

A Java Mainframe developer typically works on integrating and maintaining legacy mainframe systems while developing new Java-based applications or interfaces. Responsibilities may include analyzing system requirements, coding, debugging, performance tuning, and ensuring smooth data exchange between distributed and mainframe environments. You will often collaborate closely with business analysts, mainframe specialists, and other software developers to deliver seamless solutions. This role can provide variety and opportunities to learn both legacy and modern technologies, positioning you well for future career growth in enterprise IT environments.

Can Java run on a mainframe?

Java Mainframe developers work with Java applications on mainframe systems, which often run z/OS or similar environments. Java can run on mainframes using specialized runtime environments like IBM's Java Virtual Machine, enabling integration with legacy mainframe applications and tools. Knowledge of mainframe architecture and Java development is essential for this role.
What are the most commonly searched types of Java Mainframe jobs in California? The most popular types of Java Mainframe jobs in California are:
What are popular job titles related to Java Mainframe jobs in California? For Java Mainframe jobs in California, the most frequently searched job titles are:
What job categories do people searching Java Mainframe jobs in California look for? The top searched job categories for Java Mainframe jobs in California are:
Java Mainframe jobs near you
Infographic showing various Java Mainframe job openings in California as of June 2026, with employment types broken down into 95% Full Time, 4% Part Time, and 1% Contract. Highlights an 83% Physical, 7% Hybrid, and 10% Remote job distribution, with an average salary of $109,572 per year, or $52.7 per hour.

mainframe with java

Valueprosite

Carlsbad, CA

$50.75 - $65.25/hr

Other

Posted 9 days ago

Job description

technology: Mainframe with java with 10+ YOE 
We are looking for experienced Software Engineers to participate in an Agile development environment producing functional software solutions for delivery to our customers. In this role, you should be able to work independently with little supervision while also collaborating with team members. You should have excellent organization and problem-solving skills, and experience in Agile development methodologies. The individual and team goal will be to develop high-quality software that is aligned with user needs and business objectives.

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