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Java engineer [h1.location_city]

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Java engineer • long beach ca

[last_updated.last_updated_variable_days]
Remote Senior Java Engineer - AI Trainer

Remote Senior Java Engineer - AI Trainer

SuperAnnotateCompton, 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...[show_more][last_updated.last_updated_variable_days]
  • [promoted]
Principal Engineer / Senior Principal Engineer

Principal Engineer / Senior Principal Engineer

Rocket LabLong Beach, CA, United States
[job_card.permanent]
Rocket Lab is an end-to-end space company delivering responsive launch services, complete spacecraft design and manufacturing, payloads, satellite components, and more - all with the goal of openin...[show_more][last_updated.last_updated_variable_days]
  • [promoted]
Systems Engineer

Systems Engineer

MoogTorrance, CA, United States
[job_card.full_time]
Moog is a performance culture that empowers people to achieve great things.Our people enjoy solving interesting technical challenges in a culture where everyone trusts each other to do the right th...[show_more][last_updated.last_updated_variable_days]
  • [promoted]
Utility Engineer

Utility Engineer

JLM Strategic Talent PartnersLakewood, CA, United States
[job_card.full_time]
WHO IS JLM STRATEGIC TALENT PARTNERS & WHAT IS OUR ROLE.We partner with National & International prime contractors to provide them with qualified talent they can trust. We accomplish this by sourcin...[show_more][last_updated.last_updated_variable_days]
tutor - Java programming

tutor - Java programming

BUKILong Beach, CA, US
[job_card.full_time] +1
Do you want to earn money by teaching? Would you like to have a flexible schedule without being in the office all the time? Are you creative and do you like to implement your own teaching strategy ...[show_more][last_updated.last_updated_30]
Manufacturing Engineer

Manufacturing Engineer

ActalentLos Alamitos, CA, US
[job_card.permanent]
Immediate Welding Engineer / Manufacturing Engineer Job Opportunity!.For Immediate consideration please apply to this posting and email your resume to. Welding Engineer / Manufacturing Engineering wit...[show_more][last_updated.last_updated_variable_days]
  • [promoted]
Traffic Engineer

Traffic Engineer

gpacLong Beach, CA, United States
[job_card.full_time]
A reputable, multi-disciplinary Civil Engineering firm is looking for an Traffic / ITS Engineer, with a passion to deliver excellence! This firm works hard to ensure that their projects are planned, ...[show_more][last_updated.last_updated_variable_days]
  • [promoted]
Java Software Engineer

Java Software Engineer

VirtualVocationsNorwalk, California, United States
[job_card.full_time]
A company is looking for a Java Software Engineer.Key Responsibilities Develop and maintain Java applications Collaborate with cross-functional teams to define and design new features Conduct c...[show_more][last_updated.last_updated_30]
Java Developer

Java Developer

TechDigital GroupLong Beach, CA, United States
[job_card.full_time]
Around 8 to 10 years of experience in the following skill sets : .Design, develop, and maintain full-stack applications using Java, Spring Boot, and Angular 18+. Implement and optimize MarkLogic for d...[show_more][last_updated.last_updated_variable_days]
Sr Java Developer

Sr Java Developer

TechLink SystemsTorrance, CA
[job_card.full_time]
The position will be supporting a custom CRM application, specifically the operational data or transactional repository.The responsibilities for the position include the analysis, design, developme...[show_more][last_updated.last_updated_30]
  • [promoted]
Junior Java Developer with cloud (Remote)

Junior Java Developer with cloud (Remote)

SynergisticITNorwalk, CA, United States
[filters.remote]
[job_card.full_time]
Since 2010 SynergisticIT has helped Jobseekers get employed in the tech Job market by providing candidates the requisite skills, experience and technical competence to outperform at interviews and ...[show_more][last_updated.last_updated_variable_days]
Staff Software Engineer - Flight Engineer

Staff Software Engineer - Flight Engineer

Relativity SpaceLong Beach, CA, US
[job_card.full_time]
At Relativity Space, we're building rockets to serve today's needs and tomorrow's breakthroughs.Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand ...[show_more][last_updated.last_updated_30]
Sr Java Sys Analyst

Sr Java Sys Analyst

Yamaha Motor Corporation, USACypress, CA
[job_card.full_time]
Responsible for designing prototype applications and coordinating with the development team regarding application plans.Research, design, and develop computer and network software and specialized u...[show_more][last_updated.last_updated_30]
Tech Lead - Java / J2EE & UI

Tech Lead - Java / J2EE & UI

Avance Consulting ServicesTorrance, CA, United States
[job_card.full_time]
A leading technology consulting firm is seeking a Technology Lead with strong Java expertise for a full-time position in Torrance, California. The role involves working with Java frameworks, applica...[show_more][last_updated.last_updated_variable_days]
Principal Engineer / Senior Principal Engineer

Principal Engineer / Senior Principal Engineer

Rocket Lab CorporationLong Beach, CA, US
[job_card.permanent]
Rocket Lab is an end-to-end space company delivering responsive launch services, complete spacecraft design and manufacturing, payloads, satellite components, and more – all with the goal of ...[show_more][last_updated.last_updated_30]
  • [promoted]
Engineer

Engineer

Hustler CasinoGardena, CA, United States
[job_card.full_time]
The maintenance engineer's work involves checking, repairing and servicing machinery, equipment, systems and infrastructures. Maintenance engineers ensure that casino equipment runs smoothly and rel...[show_more][last_updated.last_updated_variable_days]
  • [promoted]
Systems Analyst ( Backend JAVA DEVELOPER- Oracle / Postgresql & SQL Scripting)

Systems Analyst ( Backend JAVA DEVELOPER- Oracle / Postgresql & SQL Scripting)

Tristar Insurance Services LLCSignal Hill, CA, United States
[job_card.full_time]
Writes / modifies / debugs computer programs with minimal to no supervision, of all levels of complexity from simple, medium to high level complexity. Design, develop, document, analyze, create, test an...[show_more][last_updated.last_updated_variable_days]
  • [promoted]
Project Engineer

Project Engineer

ExperisLong Beach, CA, United States
[job_card.full_time]
Our client seeking a Project Engineer to join their team.The ideal candidate will have strong organizational and planning skills, leadership abilities, and a high ethical standard.Lead assigned cap...[show_more][last_updated.last_updated_variable_days]
  • [promoted]
CAE Engineer

CAE Engineer

Divergent EnterprisesTorrance, CA, United States
[job_card.full_time]
Divergent is a technology company that has architected, invented, built, and commercialized an end-to-end factory system called the Divergent Adaptive Production System (DAPS) that comprehensively ...[show_more][last_updated.last_updated_variable_days]
Remote Senior Java Engineer - AI Trainer

Remote Senior Java Engineer - AI Trainer

SuperAnnotateCompton, California, US
[job_card.variable_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.