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Java software developer • vacaville ca

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Remote Senior Java Engineer - AI Trainer

SuperAnnotateVacaville, California, US
[filters.remote]
[job_card.full_time]

As a Senior Java Engineer, you will work remotely on an hourly paid basis to review AI-generated Java code, architectural solutions, and technical explanations, as well as generate high-quality ref...[internal_linking.show_more]

ETL/SSIS Developer - Hybrid

TEKsystemsFairfield, CA, US
[job_card.full_time]

Description:* In accordance with California legislation, PHC is building a Data Report Management tool for CalAIM.This is a home grown application that will track and report data on new services an...[internal_linking.show_more]

Project Administrator - AP

EsselVacaville, CA, US
[job_card.full_time]
[filters_job_card.quick_apply]

We are seeking a detail-oriented and experienced Accounts Payable Specialist to join our finance team.The ideal candidate will be responsible for managing the accounts payable process, ensuring acc...[internal_linking.show_more]

Senior Technical Product Manager & Product Owner

Confisa International GroupFairfield, CA, United States
[job_card.full_time]

Senior Technical Product Manager & Product Owner.Fairfield, CA (or) Southlake, Dallas.Hybrid and or Remote for deserving candidate.Transmission & Distribution Automation / Control Software Experien...[internal_linking.show_more]

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Financial Analyst

Westamerica BankFairfield, CA, United States
[job_card.full_time]

Job Opportunity At Westamerica Bank.Westamerica is among the largest commercial banks headquartered in California.We are looking for outstanding people to join our winning team.We reached our curre...[internal_linking.show_more]

Technology Programs - Entry Level Training Programs

DreamboundFairfield, California, United States
[job_card.full_time]

Note: This is an educational program, not a job.Successful completion of the program does not guarantee employment but will equip you with valuable skills for the technology job market.Are you pass...[internal_linking.show_more]

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Full-stack developer - Junior

SynergisticITFairfield, CA, United States
[job_card.full_time]

Since 2010 and almost 14 years SynergisticIT has helped Jobseekers get employed in the tech Job market by providing candidates the requisite skills, experience and technical competence to outperfor...[internal_linking.show_more]

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Remote Bilingual Software Engineer - AI Trainer ($35-$55 per hour)

MercorVacaville, California, US
[filters.remote]
[job_card.full_time]

Role Overview** Mercor is seeking experienced **Bilingual Software Engineers** to support high-quality content across a range of AI training initiatives.This role involves creating image-based codi...[internal_linking.show_more]

Principal Software Developer

ASRC Federal Holding CompanyFairfield, CA, United States
[job_card.full_time]

ASRC Federal is a leading government contractor furthering missions in space, public health and defense.As an Alaska Native owned corporation, our work helps secure an enduring future for our share...[internal_linking.show_more]

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Electrical Engineer

Software Galaxy Systems, LLCVacaville, California, United States
[job_card.temporary]
[filters_job_card.quick_apply]

We re Hiring: Electrical Engineer (Level 2) Vacaville, CA.Work Authorization: US Citizen / Green Card / EAD.Join us in supporting operations and leading key projects at the Vacaville site.Perform d...[internal_linking.show_more]

0365 Admin

RIT Solutions, Inc.Fairfield, CA, United States
[job_card.full_time]

Hybrid a few days per week onsite in Fairfield, CA.Systems Migrations (ideally O365).Strong systems administration O365.Endpoint deployment, endpoint management, software deployment, configuration ...[internal_linking.show_more]

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Senior Tulip Developer

Syntricate TechnologiesVacaville, CA, United States
[job_card.full_time]

No C2C and No Contract / No Transfer.In case, if you are not comfortable with this location, please share your preference with contact details for further requirements ***.Kindly find the JD below ...[internal_linking.show_more]

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IT Network Operations Analyst

Axelon Services CorporationFairfield, CA, US
[job_card.temporary]

Job Title: IT Network Operations Analyst I (AWS) Location: Fairfield, CA Pay Rate: 30 - 40/hr, W 2 ONLY Duration: 12+ Month Contract 3rd shift: 8 PM - 6:30 AM Sundays - Wednesday, Overnight.Summary...[internal_linking.show_more]

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Remote Senior Java Engineer - AI Trainer

SuperAnnotateFairfield, California, US
[filters.remote]
[job_card.full_time]

As a Senior Java Engineer, you will work remotely on an hourly paid basis to review AI-generated Java code, architectural solutions, and technical explanations, as well as generate high-quality ref...[internal_linking.show_more]

Remote Senior Java Engineer - AI Trainer

SuperAnnotateSuisun City, California, US
[filters.remote]
[job_card.full_time]

As a Senior Java Engineer, you will work remotely on an hourly paid basis to review AI-generated Java code, architectural solutions, and technical explanations, as well as generate high-quality ref...[internal_linking.show_more]

Project Administrator - AP

Essel EnvironmentalVacaville, CA, United States
[job_card.full_time]

We are seeking a detail-oriented and experienced Accounts Payable Specialist to join our finance team.The ideal candidate will be responsible for managing the accounts payable process, ensuring acc...[internal_linking.show_more]

 • [job_card.promoted]

SQL/Web Developer

Partnership HealthPlan of CaliforniaFairfield, CA, United States
[job_card.full_time]

To design, develop, and test data transformations processes and related process automation at Partnership.To work with the Manager of Web Application Development in the design, development, testing...[internal_linking.show_more]

 • [job_card.promoted]

Starbucks Barista

SafewayFairfield, CA, United States
[job_card.part_time]

As a Barista, you will be provided with the skills and products to make the customer’s day memorable – and that’s no tall order.Favorite beverages, new and exciting pastry and food offerings, merch...[internal_linking.show_more]

Field Claims Adjuster

EAC Claims Solutions LLCFairfield, CA, United States
[job_card.full_time]

Join EAC Claims Solutions as a Property Field Adjuster, where you will be managing insurance claims from inception to resolution.Planning and organizing daily workload to process claims and conduct...[internal_linking.show_more]

Remote Senior Java Engineer - AI Trainer

Remote Senior Java Engineer - AI Trainer

SuperAnnotateVacaville, California, US
[job_card.30_days_ago]
[job_preview.job_type]
  • [job_card.full_time]
  • [filters.remote]
[job_card.job_description]

As a Senior Java Engineer, you will work remotely on an hourly paid basis to review AI-generated Java code, architectural solutions, and technical explanations, as well as generate high-quality reference implementations and reasoning steps. You will assess solutions for accuracy, clarity, and adherence to the prompt; identify errors in logic, performance, or design; fact-check technical information; write high-quality explanations and model solutions that demonstrate correct methods; and rate and compare multiple AI responses based on correctness and reasoning quality.

This fully remote, hourly paid contractor role is with SME Careers, a fast-growing AI data services company and subsidiary of SuperAnnotate that provides AI training data to many of the world’s largest AI companies and foundation model labs, where your Java expertise will directly help improve the world’s premier AI models.

Key Responsibilities :

  • Develop AI Training Content : Create detailed prompts in various topics and responses to guide AI learning, ensuring the models reflect a comprehensive understanding of diverse subjects.
  • Optimize AI Performance : Evaluate and rank AI responses to enhance the model's accuracy, fluency, and contextual relevance.
  • Ensure Model Integrity : Test AI models for potential inaccuracies or biases, validating their reliability across use cases.

Your Profile :

  • Bachelor’s degree or higher in Computer Science, Software Engineering, or a closely related technical field.
  • 5+ years of professional software engineering experience, with significant hands-on work in Java on production systems.
  • Deep understanding of core Java, concurrency primitives, and the Java Collections Framework.
  • Extensive experience building and maintaining backend services using Spring or Spring Boot, REST APIs, and microservice architectures.
  • Strong grasp of software design principles, system design, and performance optimization in distributed Java systems.
  • Minimum C1 English proficiency (written and spoken), with the ability to write clear technical explanations and follow detailed English-language guidelines.
  • Comfort working with modern engineering tooling such as Git, CI / CD pipelines, automated testing frameworks, and containerization technologies.
  • Demonstrated experience conducting thorough code reviews and providing structured, constructive feedback to other engineers.
  • Previous experience with AI data training, annotation, or evaluating AI-generated technical content is a strong plus.
  • Highly detail-oriented and systematic, with a methodical approach to evaluating reasoning quality and identifying subtle issues in Java solutions.