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Java Developer Contractor Jobs in Sunnyvale, CA (NOW HIRING)

BlackLine

Senior AI Developer

Pleasanton, CA · On-site

$60.25 - $79.50/hr

Collaborate closely with a small global AI team (US and India) and contractors, sharing context ... Java, or similar). * Hands-on experience building applications or agents with generative AI ...

BlackLine

Senior AI Developer

Pleasanton, CA · On-site

$130K - $163K/yr

Collaborate closely with a small global AI team(US and India) and contractors, sharing context ... e.g.,Python, Java, or similar). * Hands-on experience building applications or agents ...

BlackLine

Senior AI Developer

Pleasanton, CA · On-site

$60.25 - $79.50/hr

Collaborate closely with a small global AI team(US and India) and contractors, sharing context ... e.g.,Python, Java, or similar). * Hands-on experience building applications or agents ...

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All JobsJava Developer Contractor JobsJava Developer Contractor Jobs in Sunnyvale, CA

Java Developer Contractor information

See Sunnyvale, CA salary details

$18

$66

$90

How much do java developer contractor jobs pay per hour?

As of Jul 16, 2026, the average hourly pay for java developer contractor in Sunnyvale, CA is $66.54, according to ZipRecruiter salary data. Most workers in this role earn between $57.55 and $74.47 per hour, depending on experience, location, and employer.

Is Java outdated in 2026?

Java remains a widely used programming language for Java Developer contractors in 2026, with ongoing updates and a large ecosystem supporting enterprise applications, Android development, and cloud services. Its stability, performance, and extensive libraries ensure its continued relevance in the software industry.

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

To thrive as a Java Developer Contractor, you need strong proficiency in Java programming, object-oriented design, and experience with frameworks like Spring or Hibernate, usually backed by a degree in computer science or related certifications. Familiarity with development tools such as Eclipse or IntelliJ IDEA, version control systems like Git, and build tools such as Maven or Gradle is typically required. Excellent problem-solving abilities, adaptability, and strong communication skills help contractors integrate quickly with client teams and manage project expectations. These skills ensure efficient, high-quality software delivery and successful collaboration in diverse and dynamic project environments.

What is the salary of a 5 year Java developer?

A Java developer with five years of experience can expect a salary ranging from $80,000 to $120,000 annually, depending on location, industry, and specific skills such as frameworks or cloud expertise. Seniority, certifications, and the complexity of projects also influence compensation.

What are some common challenges faced by Java Developer Contractors, and how can they be managed effectively?

Java Developer Contractors often encounter challenges such as quickly adapting to new codebases, understanding varying business requirements, and integrating with existing teams on short notice. Effective management of these challenges involves strong communication skills, proactive documentation review, and leveraging collaboration tools to stay aligned with both technical and project goals. Building rapport with permanent team members and maintaining flexibility in work approaches can help contractors contribute efficiently and make a positive impact within tight project timelines.

Which pays more, C++ or Java?

For a Java Developer Contractor, C++ developers often earn higher salaries due to the complexity and specialized skills required for C++ programming, especially in industries like finance, gaming, and embedded systems. However, Java developers are in high demand for enterprise applications, which can also command competitive pay. Salary differences depend on experience, location, and industry needs.

Are Java devs still in demand?

Java developers remain in high demand due to the language's widespread use in enterprise applications, Android development, and backend systems. Skills in frameworks like Spring and experience with cloud platforms can enhance job prospects in this field.

What is the difference between Java Developer Contractor vs Java Developer Full-Time Employee?

AspectJava Developer ContractorJava Developer Full-Time Employee
CredentialsTypically requires Java certifications, relevant experienceSame as contractor, often with additional company-specific onboarding
Work EnvironmentProject-based, flexible hours, remote or on-sitePermanent, structured hours, on-site or hybrid
Employer & Industry UsageUsed across various industries for short-term projectsEmployed directly by companies, long-term roles
Search & Comparison IntentLooking for freelance or temporary Java rolesSeeking stable, full-time Java positions

The main difference between a Java Developer Contractor and a Java Developer Full-Time Employee lies in employment type, work flexibility, and duration. Contractors work on short-term projects with flexible hours, while full-time employees have permanent roles with structured schedules. Both roles require Java skills and certifications, but their work arrangements and job stability differ.

What are Java Developer Contractors?

Java Developer Contractors are professionals who are hired on a temporary or project basis to design, develop, and maintain software applications using the Java programming language. Unlike full-time employees, contractors typically work for a set period or on specific tasks, often through an agency or as independent consultants. They are responsible for writing efficient code, debugging, testing, and sometimes deploying Java-based applications according to client requirements. Companies often hire Java Developer Contractors to meet short-term technical needs, fill skill gaps, or accelerate project timelines.
What are popular job titles related to Java Developer Contractor jobs in Sunnyvale, CA? For Java Developer Contractor jobs in Sunnyvale, CA, the most frequently searched job titles are:
What job categories do people searching Java Developer Contractor jobs in Sunnyvale, CA look for? The top searched job categories for Java Developer Contractor jobs in Sunnyvale, CA are:
Java Developer Contractor jobs near you
Infographic showing various Java Developer Contractor job openings in Sunnyvale, CA as of July 2026, with employment types broken down into 67% Full Time, 16% Part Time, and 17% Contract. Highlights an 89% Physical, 1% Hybrid, and 10% Remote job distribution, with an average salary of $138,410 per year, or $66.5 per hour.
Senior AI/ML Software Developer (req-260)

Senior AI/ML Software Developer (req-260)

CATHEXIS

Redwood City, CA • On-site

$164K - $199K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 24 days ago

Job description

Team CATHEXIS elevates the government contracting experience through rapid response, deep skill, and thoughtful problem-solving and communication. Our core capabilities are our top-tier program and project management, data analytics, and audit services, the backbone of which is our integrated approach to operational excellence. 

You worked hard to get to where you are. You strive to make every day better than the day before. So do we. Team CATHEXIS operates with an all-in mindset. We are working together to create a company that supports our shared values and individual goals. Our values are centered around leading with integrity, owning the outcome, growing together, and moving with purpose in everything we do for our employees, customers, partners, and communities. We believe success is best when we listen and lead with empathy; model high standards of ethics to provide a rewarding candidate experience; work hard, have fun, and appreciate the strengths we all bring to the team; and empower our employees to create innovative and trusted results.

We are looking for a dynamic Senior AI/ML Software Developer to join our team. The Senior AI/ML Software Developer will work alongside a team of highly skilled engineers in the development of AI applications. A motivated and qualified candidate will not only have hands-on development experience in (JavaScript, Python or Java) but also a willingness to collaborate with teams to solve problems. We're seeking curious and creative technical staff who are excited about delivering quality solutions.  

We are proactively building a pipeline of qualified candidates for future opportunities that may arise. If your background aligns with our anticipated needs, a member of our Talent Acquisition team may reach out should a role become available or to proactively screen you for the role.

Responsibilities

The responsibilities include, but are not limited to:

  • Collaborate with other developers, staff and leadership to design solutions that solve customer problems.
  • Design, develop, and maintain technical solutions.
  • Build and improve tools for users to understand and analyze large-scale data.
  • Perform debugging, troubleshooting, modifications and testing of software and solutions.
  • Develop documentation, and collaborate in the development of technical procedures and user support guides.

Requirements

  • An active Secret or above clearance is required.or related field.
  • 5+ years relevant experience.
  • Experience with JavaScript, Java, or other object-oriented programming language(s).
  • Hands-on experience and understanding of object-oriented programming, data structures, algorithms, profiling & optimization.
  • Passion for developing team-oriented solutions to complex engineering problems.
  • Proficient in leveraging modern LLM tools to accelerate development workflows and enhance code quality.

Benefits

CATHEXIS offers competitive compensation packages to all eligible employees. Our goal is to provide a compensation package that reflects the value you bring to our team, is competitive with national average market rates, and promotes your financial security and personal well-being. The annual salary range for this role is $164,000 - $199,272. Please note hat the salary information provided is a general guideline. CATHEXIS considers various factors in its final offer, including location, qualifications, experience, and skills. 

  • Performance Bonuses
  • Medical Insurance
  • Dental Insurance
  • Vision Insurance
  • 401(k) Plan (Traditional and ROTH)
  • Life Insurance (Basic, Voluntary & AD&D)
  • Paid Time Off
  • 11 Federal Holidays
  • Parental Leave
  • Commute Benefits
  • Short Term & Long Term Disability
  • Training & Development
  • Wellness Program
  • Community Outreach Initiatives

CATHEXIS is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability EEO IS THE LAW. If you are an individual with a disability and would like to request a reasonable accommodation as part of the employment selection process, please contact the Recruiting DepartmentRecruitingTeam@cathexisfederal.com.

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