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Data Annotation Tech Jobs in El Cajon, CA (NOW HIRING)

Sr. Research Data Scientist

San Diego, CA · On-site

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Own the full data lifecycle for visual tasks: dataset curation, annotation strategy, augmentation ... Aicadium is a global technology company delivering AI-powered industrial computer vision products ...

Sr. Research Data Scientist

San Diego, CA · On-site

$150K - $180K/yr

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Own the full data lifecycle for visual tasks: dataset curation, annotation strategy, augmentation ... Aicadium is a global technology company delivering AI-powered industrial computer vision products ...

Sr. Research Data Scientist

San Diego, CA · On-site

$150 - $210/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Own the full data lifecycle for visual tasks: dataset curation, annotation strategy, augmentation ... About Us: Aicadium is a global technology company delivering AI‑powered industrial computer ...

Principal Data Scientist

San Diego, CA · On-site

$188 - $210/hr

... annotation or labels for ML development. * Analyze complex data/ML problems and break them into ... Eagerness to learn new technologies and adapt to evolving requirements. * Direct technical ...

Principal Data Scientist

San Diego, CA · On-site

$160 - $182/hr

... annotation or labels for ML development. * Analyze complex data/ML problems and break them into ... Eagerness to learn new technologies and adapt to evolving requirements. * Direct technical ...

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Data Annotation Tech information

See El Cajon, CA salary details

$12

$23

$36

How much do data annotation tech jobs pay per hour?

As of Aug 19, 2026, the average hourly pay for data annotation tech in El Cajon, CA is $23.85, according to ZipRecruiter salary data. Most workers in this role earn between $17.55 and $28.37 per hour, depending on experience, location, and employer.

What is a data annotation tech?

A Data Annotation Tech is responsible for labeling and categorizing data, such as text, images, audio, or video, to train machine learning models. They follow specific guidelines to ensure accuracy and consistency in annotations, which helps improve the performance of AI systems. This role often involves repetitive tasks, attention to detail, and familiarity with various annotation tools. Data annotation is crucial for AI development in industries like healthcare, finance, and autonomous driving.

What does a data annotation tech do?

A typical day as a Data Annotation Tech involves reviewing large sets of data—such as images, text, or audio—and accurately labeling or categorizing them using specialized software. You may work independently or as part of a team, following specific project guidelines to ensure data integrity and consistency. Collaboration with project managers or data scientists is common when clarifying ambiguous data points or addressing annotation challenges. Additionally, productivity targets and quality checks are a regular part of the workflow, helping to keep projects on schedule and maintain high standards.

What are the key skills and qualifications needed to thrive as a data annotation tech?

To thrive as a Data Annotation Tech, you need keen attention to detail, basic computer literacy, and familiarity with data labeling standards, often supported by a high school diploma or equivalent. Experience with annotation platforms, image or text labeling tools, and basic knowledge of data management systems is highly valuable. Strong organizational skills, patience, and effective communication set top candidates apart in this field. These skills and qualities ensure annotated data is accurate, consistent, and valuable for machine learning or AI projects.

What job categories do people searching Data Annotation Tech jobs in El Cajon, CA look for?

The top searched job categories for Data Annotation Tech jobs in El Cajon, CA are:

What cities near El Cajon, CA are hiring for Data Annotation Tech jobs?

Cities near El Cajon, CA with the most Data Annotation Tech job openings:

Infographic showing various Data Annotation Tech job openings in El Cajon, CA as of August 2026, with employment types broken down into 57% Full Time, and 43% Part Time. Highlights an 49% In-person, and 51% Remote job distribution, with an average salary of $49,603 per year, or $23.8 per hour.

AI Training Specialist (Data Annotation)

Remote Talent Cloud

San Diego, CA • Remote

$20/hr

Contractor

Re-posted 12 days ago


Job description

As an AI Training Specialist (Data Annotation), you'll play a key role in helping train and improve artificial intelligence (AI) systems. Your work will directly support how AI models learn to recognize text, images, and other data accurately.

Your main responsibilities will include:

  • Labeling and categorizing data (such as text, images, or short videos) according to detailed project guidelines
  • Reviewing and verifying data for accuracy, consistency, and completeness
  • Identifying and flagging any errors, inconsistencies, or unclear data
  • Following clear annotation instructions to ensure high-quality results
  • Meeting productivity and accuracy goals within project timelines
  • Maintaining confidentiality and adhering to all data security standards

Requirements

We're looking for detail-oriented individuals who are comfortable working independently and enjoy structured, accuracy-focused tasks. The ideal candidate will have:

  • This is a fully remote position, but you must be located within the United States
  • Excellent attention to detail and strong organizational skills
  • A reliable Internet connection and computer
  • The ability to focus for extended periods and follow detailed written instructions
  • Strong written communication skills in English
  • Previous data annotation, labeling, or transcription experience is a plus, but not required

Benefits

  • Fully remote: work from anywhere within the United States
  • Full-time and part-time available
  • Competitive hourly pay from $20/hr
  • Training provided for all annotation tools and workflows
  • Gain hands-on experience supporting real-world AI training projects
  • Be part of a growing remote team working on cutting-edge technology