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Java software developer Jobs in El Cajon, CA
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Java software developer • el cajon ca
Remote Senior Java Engineer - AI Trainer
SuperAnnotateWinter Gardens, California, USRemote Software Expert (Creative Software) - AI Trainer ($0-$100 per hour)
MercorSantee, California, US(Work At Home) Data Entry - Remote - Admin Assistant
FocusGroupPanelBostonia, California, United States- Promoted
Java Server Engineer
TradeJobsWorkForce92142 San Diego, CA, USRemote Senior Java Engineer - AI Trainer
SuperAnnotateLa Mesa, California, USRemote Senior Java Engineer - AI Trainer
SuperAnnotateLa Presa, California, USFront Desk
Sethi ManagementChula Vista, California, United States, 91914Remote Senior Java Engineer - AI Trainer
SuperAnnotateRancho San Diego, California, USProduction/Product Development for Consumer Goods Company
JOHN Yeiser Research & Development LLCSantee, CA, USReact Java Developer - 100 % Remote
eTeamHome, CARemote Senior Java Engineer - AI Trainer
SuperAnnotateCasa de Oro-Mount Helix, California, USRemote Senior Java Engineer - AI Trainer
SuperAnnotateLakeside, California, US- Promoted
Software Engineer
TradeJobsWorkforce92139 San Diego, CA, USRemote Senior Java Engineer - AI Trainer
SuperAnnotateBostonia, California, USPower Apps Developer
Nan McKay & AssociatesEL CAJON, CA, USRemote Senior Java Engineer - AI Trainer
SuperAnnotateEl Cajon, California, USRemote Senior Java Engineer - AI Trainer
SuperAnnotateSantee, California, USRemote Senior Java Engineer - AI Trainer
SuperAnnotateLemon Grove, California, USRemote Senior Java Engineer - AI Trainer
SuperAnnotateSpring Valley, California, US- associate dentist (from $ 108,394 to $ 250,000 year)
- psychiatrist (from $ 180,979 to $ 250,000 year)
- big data engineer (from $ 171,450 to $ 232,270 year)
- design director (from $ 113,500 to $ 231,000 year)
- nuclear engineer (from $ 115,000 to $ 228,827 year)
- optical engineer (from $ 129,500 to $ 225,267 year)
- machine learning (from $ 119,673 to $ 221,537 year)
- machine learning engineer (from $ 148,750 to $ 221,537 year)
- asic design engineer (from $ 130,499 to $ 213,875 year)
- fpga design engineer (from $ 108,500 to $ 213,875 year)
- West Jordan, UT (from $ 117,000 to $ 201,500 year)
- Chandler, AZ (from $ 116,700 to $ 201,500 year)
- San Mateo, CA (from $ 125,000 to $ 187,500 year)
- San Diego, CA (from $ 125,000 to $ 187,500 year)
- Virginia Beach, VA (from $ 103,400 to $ 187,500 year)
- San Bernardino, CA (from $ 125,000 to $ 187,500 year)
- San Jose, CA (from $ 125,000 to $ 187,500 year)
- Des Moines, IA (from $ 102,000 to $ 187,281 year)
- Cleveland, OH (from $ 107,500 to $ 183,000 year)
- San Francisco, CA (from $ 125,000 to $ 180,042 year)
The average salary range is between $ 99,485 and $ 159,565 year , with the average salary hovering around $ 120,000 year .
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Remote Senior Java Engineer - AI Trainer
SuperAnnotateWinter Gardens, California, US- Full-time
- Remote
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.