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Java Developer W2 Role Jobs in California (NOW HIRING)

Congensys Corp.

Sr. Core Java Developer W2

Menlo Park, CA · On-site

$67.50 - $86/hr

Sr. Core Java Developer / Lead Location: Alpharetta, GA / Menlo Park, CA Job Type: Contract Employment Type: W2 Only Work Arrangement: Onsite / Local Candidates Only Experience: 10+ Years We are ...

Kanak Elite Services Inc

Java Backend Developer

Oakland, CA · On-site

$58 - $75.25/hr

Java Backend Developer (W2 and C2C accepted) location : 100% Onsite | Oakland, CA Duration ... This role is fully onsite in Oakland, CA. The client requires onsite work to ensure authenticity ...

Stanfield Systems

Java Developer - mid

Folsom, CA · Remote

$50 - $58/hr

Range of W2 Salaried $100K - 110K, W2 hourly $50-58/hr. Pre-employment Requirements ... Java Developer for 4198" in the subject line Key Skills & Experience * 5+ years of hands-on Java ...

AditiStaffing

Java Developer

Sunnyvale, CA · On-site

$59.75 - $77.50/hr

Role - Java Developer Location - Sunnyvale, CA Duration - 4 Months (with possible extension) Basic ... Qualifications W2 CANDIDATES ONLY Additional Information If this sounds interesting, please call me ...

Paradigminfotech

Java Developer

Mountain View, CA · On-site

$60.25 - $77.75/hr

Role: Java Production Support Engineer Location: Mountain View, CA Duration : Full Time Position ... Rate(C2C/1099/W2): Employer: 2 Official references from recent 2 projects in below format (Must ...

Info Way Solutions

Java Developer

Fremont, CA · On-site

$56 - $72.50/hr

The role involves strong proficiency in Java development and experience with Python scripting. Responsibilities : • Strong Java Developer • Python scripting language experience. Qualifications

SupportFinity

Java Developer

San Jose, CA · On-site

$55.75 - $72/hr

We are seeking a proficient Java Developer to join our dynamic team in Texas ... The role involves the design, development, and maintenance of robust software solutions utilizing ...

Clera

Java Developer

Los Angeles, CA · On-site

$55 - $71/hr

About the Role We are a small, fast-moving AI infrastructure company building production-ready ... Strong hands-on experience with Java development and a solid grasp of modern software engineering ...

Scout ET

Java developer

San Jose, CA · On-site

$59.75 - $77.25/hr

Role: Java developer Location: Sanjose, CA Need only Locals Duration: 6+ Months PAYPAL Experience is Mandatory Required qualifications: i 5 + years software development experience i BS in Computer ...

WorkNova LLC

Java Developer

Fremont, CA · On-site

$55.75 - $72.25/hr

Role: Java Developer Location: Onsite Duration: 6+ months Details: * Full-Stack Desktop Development: Architecting responsive desktop and web applications using ElectronJS , React , and TypeScript

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Java Developer W2 Role information

See California salary details

$15

$55

$76

How much do java developer w2 role jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for java developer w2 role 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 is a Java developer W2 role?

A Java Developer W2 role refers to a Java development position where the employee is hired directly by a company or through a staffing agency as a W2 employee, rather than as a contractor (1099) or through a third-party vendor. In this role, the developer is responsible for designing, developing, and maintaining Java-based applications. Being a W2 employee means the company handles payroll taxes, provides benefits, and withholds income taxes, offering more job security and potential benefits compared to independent contracting. Java Developers in this role typically work on projects involving web applications, enterprise services, or backend systems using Java technologies.

How does a Java developer in a W2 role typically collaborate with other teams throughout the software development lifecycle?

As a Java Developer in a W2 role, you will often work closely with cross-functional teams, including QA testers, business analysts, project managers, and UI/UX designers. Collaboration usually involves participating in daily stand-ups, code reviews, and sprint planning meetings to ensure alignment on project goals and timelines. You may also be responsible for communicating technical challenges and proposing solutions to both technical and non-technical stakeholders. This teamwork fosters a dynamic environment, helping you build both technical and interpersonal skills while contributing to the overall success of the project.

What are the key skills and qualifications needed to thrive as a Java developer in a W2 role, and why are they important?

To thrive as a Java Developer in a W2 role, you need strong programming skills in Java, knowledge of object-oriented design, and a bachelor's degree in computer science or a related field. Familiarity with development tools like Eclipse or IntelliJ, frameworks such as Spring or Hibernate, and experience with version control systems like Git are typically required. Excellent problem-solving, teamwork, and communication skills help you stand out by facilitating collaboration and efficient project delivery. These abilities are crucial for building reliable software solutions, meeting project deadlines, and contributing effectively within a team environment.

What is the difference between Java Developer W2 Role vs Java Developer Contract Role?

AspectJava Developer W2 RoleJava Developer Contract Role
Employment StatusEmployee of the companyIndependent contractor
BenefitsIncludes benefits like health insurance, paid time offNo benefits; paid hourly or project-based
Tax WithholdingEmployer handles taxesContractor responsible for taxes
Work EnvironmentTypically in-house or remote with the employerOften remote or on-site at client location
Job SecurityMore stable, ongoing employmentProject-based, less job security

In summary, a Java Developer W2 Role offers stability, benefits, and employer tax handling, while a Java Developer Contract Role provides flexibility, higher hourly pay, but fewer benefits and less job security.

What are popular job titles related to Java Developer W2 Role jobs in California?

For Java Developer W2 Role jobs in California, the most frequently searched job titles are:

What job categories do people searching Java Developer W2 Role jobs in California look for?

The top searched job categories for Java Developer W2 Role jobs in California are:

What cities in California are hiring for Java Developer W2 Role jobs?

Cities in California with the most Java Developer W2 Role job openings:

Java Developer W2 Role jobs near you
Infographic showing various Java Developer W2 Role job openings in California as of August 2026, with employment types broken down into 1% As Needed, 85% Full Time, 12% Part Time, and 2% Contract. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $116,387 per year, or $56 per hour.

Sr. Core Java Developer W2

Congensys Corp.

Menlo Park, CA • On-site

$67.50 - $86/hr

Other

Posted 4 days ago

Job description

Sr. Core Java Developer / Lead

Location: Alpharetta, GA / Menlo Park, CA
Job Type: Contract
Employment Type: W2 Only
Work Arrangement: Onsite / Local Candidates Only
Experience: 10+ Years

Job Description

We are seeking a highly skilled Sr. Core Java Developer / Lead with 10+ years of experience in Java software development to design, develop, test, and maintain high-performance, scalable, and reliable enterprise applications.

The ideal candidate will have strong expertise in Core Java, OOP, multithreading, concurrency, data structures, design patterns, JVM, memory management, REST APIs, and enterprise backend development.

Key Responsibilities

  • Design, develop, test, and maintain applications using Core Java.

  • Write clean, efficient, reusable, and maintainable code.

  • Apply OOP principles, design patterns, and best coding practices.

  • Develop multithreaded and highly concurrent applications.

  • Work with Java Collections, Generics, Streams, Lambda expressions, and exception handling.

  • Develop and consume RESTful APIs and backend services.

  • Build modular, scalable, and high-performance application components.

  • Implement business logic, validation, error handling, and transaction management.

  • Work with relational and NoSQL databases.

  • Write and optimize SQL queries and database interactions.

  • Troubleshoot production issues, memory leaks, performance bottlenecks, and application defects.

  • Participate in code reviews and technical design discussions.

  • Develop unit and integration tests using JUnit, Mockito, or equivalent tools.

  • Integrate applications with CI/CD pipelines.

  • Collaborate with architects, developers, QA, DevOps, product managers, and business stakeholders.

  • Participate in Agile/Scrum ceremonies and sprint activities.

  • Support application deployment, monitoring, and production issue resolution.

Required Skills

  • 10+ years of professional Java development experience.

  • Strong hands-on experience with Core Java / Java SE.

  • Strong knowledge of:

    • Object-Oriented Programming

    • Collections Framework

    • Generics

    • Exception Handling

    • Multithreading & Concurrency

    • Java I/O & NIO

    • Streams & Lambda Expressions

    • JVM Architecture

    • Memory Management & Garbage Collection

    • Serialization & Reflection

  • Strong Data Structures and Algorithms knowledge.

  • Experience with Java 8 or later.

  • Experience developing RESTful APIs and backend services.

  • Strong SQL and database development experience.

  • Experience with JDBC and ORM concepts.

  • Experience with Spring / Spring Boot.

  • Experience with Maven or Gradle.

  • Experience with Git.

  • Experience with JUnit / Mockito.

  • Strong debugging and problem-solving skills.

  • Experience working in Agile/Scrum environments.

Preferred Skills

  • Java 11, 17, 21 or later.

  • Spring MVC, Spring Data, Spring Security.

  • Microservices architecture.

  • Kafka, RabbitMQ, JMS, or ActiveMQ.

  • Docker and Kubernetes.

  • AWS, Azure, or Google Cloud.

  • MongoDB, Redis, Cassandra, or DynamoDB.

  • Distributed systems and event-driven architecture.

  • Caching technologies.

  • CI/CD tools such as Jenkins, GitHub Actions, GitLab CI, or Azure DevOps.

  • Application monitoring and observability tools.

  • Performance testing and profiling.

  • Linux/Unix and shell scripting.

  • Secure coding and application security practices.

Education

Bachelor’s degree in Computer Science, Engineering, Information Technology, or a related field preferred.

Candidate Requirements

Local candidates only – Alpharetta, GA or Menlo Park, CA
W2 candidates only.
Candidates should have strong hands-on Core Java development experience and be available to work from the specified location.

Interested candidates: Please send your updated resume along with your current location, work authorization, and contact information.

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