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Medical Image Annotation Jobs in California (NOW HIRING)

EvenUp Inc

Product Manager, AI Entities

San Francisco, CA · On-site

$177K - $209K/yr

... and image extraction and analysis services, model evaluation and deployment tools, and more ... Drive decisions on model performance, annotation strategy, and integration with continuous ...

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All JobsMedical Image Annotation JobsMedical Image Annotation Jobs in California

Medical Image Annotation information

What is medical image annotation?

Medical image annotation is the process of labeling or marking specific structures, regions, or abnormalities in medical images such as X-rays, CT scans, or MRIs. These annotations are crucial for training artificial intelligence (AI) models to assist in diagnostics, research, and treatment planning. Expert annotators, often with medical backgrounds, use specialized software to ensure accuracy and consistency. This work helps improve the performance of AI systems in identifying diseases and supporting healthcare professionals.

What are the key skills and qualifications needed to thrive as a medical image annotation specialist?

To excel as a Medical Image Annotation Specialist, you need a solid understanding of medical imaging modalities, anatomy, and basic clinical terminology, often supported by relevant education or experience in healthcare or life sciences. Familiarity with annotation software, image processing tools, and sometimes specialized platforms like DICOM viewers is typically required. Attention to detail, precision, and effective communication are crucial soft skills for ensuring accuracy and collaborating with clinical or research teams. These competencies are vital because high-quality, accurate annotations directly impact the development of AI models and the reliability of diagnostic tools in healthcare.

What are some common challenges faced by professionals in medical image annotation roles, and how can they be addressed?

Medical image annotation professionals often encounter challenges such as interpreting complex or ambiguous images, ensuring consistency across annotations, and keeping up with evolving medical guidelines. To address these challenges, many teams implement standardized protocols, regular training sessions, and peer review systems to maintain accuracy and reliability. Collaboration with radiologists and other medical experts is also common, allowing annotators to clarify uncertainties and improve the quality of annotations over time.

What is the difference between Medical Image Annotation vs Medical Data Labeling?

AspectMedical Image AnnotationMedical Data Labeling
Required CredentialsBasic understanding of medical imaging, attention to detailSimilar, often no formal certification needed
Work EnvironmentMedical imaging platforms, annotation toolsData management systems, labeling software
Industry UsageHealthcare, medical AI developmentHealthcare, medical AI, data analysis
Search & Comparison IntentYes, often compared for AI training rolesYes, related but broader in data types

Medical Image Annotation involves marking specific regions or features in medical images like X-rays or MRIs to train AI models. Medical Data Labeling encompasses annotating various medical data types, including images, text, and reports. While both roles support medical AI development, Image Annotation is specialized in visual data, whereas Data Labeling covers a wider range of medical information.

What are popular job titles related to Medical Image Annotation jobs in California?

For Medical Image Annotation jobs in California, the most frequently searched job titles are:

What job categories do people searching Medical Image Annotation jobs in California look for?

The top searched job categories for Medical Image Annotation jobs in California are:

What cities in California are hiring for Medical Image Annotation jobs?

Cities in California with the most Medical Image Annotation job openings:

Medical Image Annotation jobs near you
Infographic showing various Medical Image Annotation job openings in California as of August 2026, with employment types broken down into 1% As Needed, 78% Full Time, 16% Part Time, and 5% Contract. Highlights an 92% Physical, 1% Hybrid, and 7% Remote job distribution.

Driver - Data Collection (Contract)

Sama

San Francisco, CA • On-site

$25/hr

Contractor

Medical, Dental, Vision, Life, PTO

Re-posted 29 days ago

Job description

Sama is supporting a professional services engagement with an automotive client to conduct structured real-world data collection using sensor-equipped vehicles. This project will collect high-quality driving data to support the development of advanced autonomous vehicle systems.
The field team will operate in a dual driver/co-pilot configuration to ensure safety, reduce fatigue, and improve data collection quality. We are hiring 3 Drivers to join this project team.
This is a 4 months contract opportunity paying $25/hour. Sama will offer a Driver Incentive Program tied to completion of the full project duration.
Role Overview
Drivers will operate client-provided vehicles equipped with specialized sensors to capture structured driving scenarios across designated routes and locations in the Bay Area. Drivers will work closely with a co-driver during collection sessions and follow predefined protocols to ensure high-quality data capture.
Key Responsibilities
Vehicle Operation
  • Drive sensor-equipped vehicles along predefined routes across the Bay Area.
  • Operate vehicles with trailer hitching and reversing when required.
  • Maintain safe driving practices and comply with all local traffic laws.

Data Collection
  • Conduct daily driving sessions during peak sunlight hours (approximately 4 hours per day) to optimize sensor performance.
  • Follow structured collection protocols to capture specific driving scenarios and objects.
  • Monitor collection tools and systems to ensure successful capture.

Operational Support
  • Assist with troubleshooting minor operational or equipment issues.
  • Support setup and breakdown of equipment when required.
  • Ensure safe operation of vehicles, sensors and surrounding environments during data collection.
  • May include data upload of collected data
  • Communication with Project Manager for list of target locations and routes for the coming day(s)

Qualifications
  • Valid clean driver's license
  • Minimum age 25 years old
  • Proven experience driving with trailers, hitching and reversing (ability to provide a demonstrating short video)
  • Comfortable driving for extended periods in urban environments
  • Attention to detail and safety awareness

About Sama
Sama provides high-quality training data that powers AI technology for Fortune 2000 companies such as Google, Walmart, Ford, Microsoft, and Marriott. We're experts in data annotation, supporting text, 2D, 3D image, video, and sensor data for machine learning algorithms and generative AI models. Sama offers the highest quality SLAs in the industry, along with cutting-edge ML-assisted annotation tools, QA processes, and security and compliance standards.
Founded in 2008 on the belief that "talent is equally distributed, but opportunity is not", Sama is driven by the mission to expand opportunities for those who are underprivileged. As a certified B-Corp, Sama has provided worker training programs to increase economic opportunity for more than 15,000 people from underserved communities. By connecting our customers with amazing talent in East Africa, we've impacted more than 69,000 workers and their dependents.
Today, our vision is to provide data scientists, ML engineers, and data operations teams with an indispensable, integrated platform for AI data preparation, labeling, and collection.
For more information, visit www.sama.com.
More information can be found at:
  • Featured in Forbes: How Ethical Is Your AI?
  • Sama Honored on Inc. Magazine's Annual List of America's Fastest-Growing Private Companies - the Inc. 5000
  • Reversing Poverty - Ted Talk by our founder Leila Janah

Our Culture:
Sama is quite unique. We are a technology company with a social mission. People that thrive in a high-growth environment, love working on the bleeding edge of technology, and really care about having a positive impact on the world are a great fit for the Sama culture. Our core values are One Team, One Goal - Deliver. Period. - Trust & Transparency - Customer First - Humanity.
Our Benefits:
Sama offers competitive compensation commensurate with experience and a full benefits package, including: medical, dental, and vision insurance, long-term disability insurance, life, and AD&D insurance, employer-matching Group RRSP, generous holiday and vacation policies, a monthly fitness stipend, monthly cell phone reimbursement and professional development opportunities. Our Talent Acquisition team would be happy to discuss our benefits packages with you in more detail during the interview process.
At Sama, we pride ourselves in being a diverse and equal opportunity employer.

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