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Java Software Engineer Contract Jobs in Oakville, CA

GSPANN Technologies, Inc

Lead Engineer

Santa Rosa, CA · On-site

$112K - $147K/yr

Contract to Hire [ Williams Sonoma (WSI)] Job Location: 4 days per week Hybrid Onsite. Primary ... Hands-on background with Java/Spring Boot and cloud-native systems preferred * Strong understanding ...

GSPANN Technologies, Inc

Lead Engineer

Sonoma, CA · On-site

$114K - $151K/yr

Contract to Hire [ Williams Sonoma (WSI)] Job Location: 4 days per week Hybrid Onsite. Primary ... Hands-on background with Java/Spring Boot and cloud-native systems preferred * Strong understanding ...

ABB

Sr . R&D Engineer

Novato, CA · On-site

$122K - $168K/yr

Documenting work results (like findings, designs, or software), allowing others to maintain and ... Angular, react,Node.js (JavaScript), Python (Django/Flask), Java (Spring Boot). * Proficient with ...

KITCHELL

Project Engineer

Santa Rosa, CA · On-site

$72K - $80K/yr

Develops full understanding of the scope and interdependence of all contract documents * Observes ... Proficient with the MS Suite of tools with exposure to other construction specific software like ...

W3Global Inc.

Civil Engineer

Santa Rosa, CA · On-site +1

$110K - $150K/yr

Experience with design and modeling software tools, specifically AutoCAD/Civil 3D * Strong ... We specialize in placing permanent, direct, contract, and temporary positions for companies of any ...

AeroVironment, Inc.

Product Engineer III

Petaluma, CA · On-site

Assists in proposal & report writing, review of contracts for production orders * Helps coordinate ... Experienced and proficient with office software and computer based productivity tools Other ...

AeroVironment

Product Engineer III

Petaluma, CA

Assists in proposal & report writing, review of contracts for production orders * Helps coordinate ... Experienced and proficient with office software and computer based productivity tools Other ...

Rock 'n Roll

Druid

Napa, CA · On-site

Design, develop, deliver and operate scalable, high-performance, real-time data processing software ... Profound experience in programming with Java, Scala or a similar programming language. * Knowledge ...

Rock 'n Roll

Druid

Napa, CA

Design, develop, deliver and operate scalable, high-performance, real-time data processing software ... Profound experience in programming with Java, Scala or a similar programming language. * Knowledge ...

kennedyjc

Pipeline Engineer

Santa Rosa, CA · Hybrid

$92K - $171K/yr

... contract documents. * Support asset management decisions: Evaluate existing pipeline systems ... Experience with pipeline design software and hydraulic modeling tools preferred. Kennedy Jenks ...

RTX

Manufacturing Engineer II

El Verano, CA · On-site

$144K/yr

S. citizens are authorized to access information under this program/contract. Security Clearance ... Experience with SolidWorks (3D modeling software). * Experience in MS Office tools (Word, Excel ...

Collins Aerospace

Manufacturing Engineer II

Fairfield, CA · On-site

$75K - $144K/yr

S. citizens are authorized to access information under this program/contract. Security Clearance ... Experience with SolidWorks (3D modeling software). * Experience in MS Office tools (Word, Excel ...

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All JobsJava Software Engineer Contract JobsJava Software Engineer Contract Jobs in Oakville, CA

Java Software Engineer Contract information

See Oakville, CA salary details

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How much do java software engineer contract jobs pay per hour?

As of Jul 26, 2026, the average hourly pay for java software engineer contract in Oakville, CA is $69.13, according to ZipRecruiter salary data. Most workers in this role earn between $56.92 and $78.12 per hour, depending on experience, location, and employer.

What are some common challenges faced by Java Software Engineers on contract assignments, and how can they be managed?

Contract Java Software Engineers often face challenges such as quickly adapting to new codebases, understanding project requirements with limited onboarding time, and integrating smoothly with established teams. To manage these challenges, it's important to proactively communicate with team members, ask clarifying questions early, and make use of available documentation. Contract roles also require strong time management and self-motivation, as deliverables and expectations may be clearly defined but support can be less hands-on compared to permanent positions.

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

To thrive as a Java Software Engineer Contractor, you need strong proficiency in Java programming, experience with software development lifecycles, and typically a bachelor's degree in computer science or a related field. Familiarity with tools such as Spring Framework, Git, Maven, and cloud platforms, as well as knowledge of unit testing frameworks, is highly valued. Excellent problem-solving abilities, adaptability, and clear communication help you stand out, especially when collaborating remotely or integrating with diverse teams. These skills and qualities are crucial for delivering reliable, scalable solutions on time and ensuring smooth coordination in dynamic project environments.

What is a Java Software Engineer Contract?

A Java Software Engineer Contract is a temporary or fixed-term role where a software engineer is hired to develop, test, and maintain software applications using the Java programming language. Contractors typically work on specific projects or for a set period, rather than as permanent employees. These roles often require expertise in Java frameworks, object-oriented programming, and collaboration with other developers or teams. Contract positions can offer flexibility, competitive pay, and opportunities to work on diverse projects.

What is the difference between Java Software Engineer Contract vs Java Software Engineer?

AspectJava Software Engineer ContractJava Software Engineer
Employment TypeTemporary/Project-basedFull-time/permanent
DurationFixed-termIndefinite
Work EnvironmentClient sites, consulting firms, or remoteCompany offices or remote
CertificationsTypically no specific certifications requiredOften prefers Java certifications or related credentials

Java Software Engineer Contract roles are temporary positions focused on specific projects, offering flexibility but less job security. Full-time Java Software Engineers work permanently within organizations, with benefits and career growth opportunities. Both roles require strong Java skills, but contracts may have less emphasis on certifications. Choose based on your career goals and desired work environment.

What cities near Oakville, CA are hiring for Java Software Engineer Contract jobs? Cities near Oakville, CA with the most Java Software Engineer Contract job openings:
Java Software Engineer Contract jobs near you
Semiconductor Data Science and Machine Learning Engineer

Semiconductor Data Science and Machine Learning Engineer

Keysight Technologies, Inc.

Santa Rosa, CA • On-site

$125K - $150K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 18 days ago

Keysight Technologies rating

8.1

Company rating: 8.1 out of 10

Based on 20 frontline employees who took The Breakroom Quiz

48th of 155 rated electronics manufacturers

Job description

Overview
Keysight is on the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~15,000 employees create world-class solutions in communications, 5G, automotive, energy, quantum, aerospace, defense, and semiconductor markets for customers in over 100 countries. Learn more about what we do.
Our award-winning culture embraces a bold vision of where technology can take us and a passion for tackling challenging problems with industry-first solutions. We believe that when people feel a sense of belonging, they can be more creative, innovative, and thrive at all points in their careers.
Keysight Technologies, the world's premier measurement company, has an opening for a Semiconductor Data Analytics and Machine Learning Engineer at the High Frequency Technology Center (HFTC) in Santa Rosa, California. Live in beautiful Sonoma County amongst vineyards, redwood forests, rivers, lakes and coastline while working on state-of-the-art ICs and devices. HFTC invents and delivers world-leading compound semiconductor and integration technology in our fabrication facilities located in Santa Rosa. Our team enables Keysight product leadership through semiconductor innovation for differentiated performance.
Responsibilities
Responsibilities
We are seeking a Semiconductor Data Science & Machine Learning Engineer to contribute to the development and operationalization of data and AI systems supporting advanced analytics and automation. This role is hands-on across data, software, and machine learning systems, with a strong emphasis on working with and enhancing existing production workflows all within the context of semiconductor integrated circuit fabrication.
Key Responsibilities:
  • Provide production support for deployed data pipelines and ML systems, including monitoring, debugging, and issue resolution
  • Implement and maintain data pipelines and workflow components across ingestion, processing, and delivery
  • Develop and deploy machine learning models and inference pipelines within established systems
  • Contribute to system enhancements and performance optimization across data and ML workflows
  • Support integration of ML services into production environments (APIs, batch systems, internal platforms)
  • Participate in technical problem-solving and design discussions within existing architectural frameworks

Qualifications
  • Required Qualifications
    • Bachelor's, Master's, or Ph.D. in Data Science, Electrical Engineering, Computer Science, Materials Science, Applied Physics, or related fields.
    • Strong programming experience in Python and at least one additional language (e.g., C++, C#, Java/JS)
    • 3-4 years experience working with data pipelines, ETL/ELT processes, and database systems (SQL)
    • Hands-on experience with:
      • Supervised and unsupervised learning techniques
      • Deep learning architectures (e.g., CNNs, Vision Transformers, or equivalent)
      • Experience working with high-dimensional data (image, signal, or large-scale structured datasets)
      • Familiarity with model development lifecycle (data prep, training, validation, deployment concepts)
      • Experience contributing to production systems or deployed applications (debugging, maintenance, iteration)

    Preferred Qualifications
    • Direct experience with Semiconductor processes, process engineering/development and associated data
    • Familiarity with advanced representation learning (transformers, contrastive/self-supervised learning)
    • Exposure to multi-domain signal processing (spatial, spectral, temporal analysis)
    • Experience with real-time or near-real-time data/ML systems
    • Experience with cloud-native data and AI platforms (including ML platforms and workflow orchestration)
    • Familiarity with foundation model services / LLM platforms (e.g., AWS Bedrock or equivalent)

Location: This role requires an in-person, hands-on engineer who can physically work with the test systems in Santa Rosa, CA.
This position requires access to certain goods, software, technology, or technical data subject to U.S. export control laws and regulations. Under these laws and regulations, U.S. persons (which includes U.S. citizens, U.S. nationals, lawful permanent residents, refugees, and asylees) working for Keysight can access export-controlled items without authorization from the U.S. government. For any individual who is not a U.S. person, Keysight may need authorization from the U.S. Department of State, U.S. Department of Commerce, or other appropriate federal agency before the individual can access export-controlled items. Employment in this position for non-U.S. persons is contingent on Keysight's ability to obtain any required government authorizations. Candidates must be a U.S. citizen or lawful permanent resident of the U.S., or protected individual, having authorization from the U.S. government for export-controlled items under 8 U.S.C. 1324b(a)(3).
Careers Privacy Statement***Keysight is an Equal Opportunity Employer.***
Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability or any other protected categories under all applicable laws.
The level of role will be based on applicable experience, education and skills; Most offers will be between the minimum and the midpoint of the Salary Range listed below.
Santa Rosa, CA MIN $126,930 MID $169, 240- MAX $211,550
Note: For other locations, pay ranges will vary by region
This role is eligible for Keysight Results Bonus Program
US Employees may be eligible for the following benefits:
  • Medical, dental and vision
  • Health Savings Account
  • Health Care and Dependent Care Flexible Spending Accounts
  • Life, Accident, Disability insurance
  • Business Travel Accident and Business Travel Health
  • 401(k) Plan
  • Flexible Time Off, Paid Holidays
  • Paid Family Leave
  • Discounts, Perks
  • Tuition Reimbursement
  • Adoption Assistance
  • ESPP (Employee Stock Purchase Plan)

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