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112 annotation jobs at 34 companies in California

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Data Annotation Lead
Redwood City, California, United States
OnsiteFull Time
Sunday
Sunday: Developing autonomous robots to perform household chores.
Experience building and leading data annotation teams, strong written/verbal communication, stakeholder management, prioritization, intermediate ML understanding, and ability to create documentation and annotation processes.
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1mo
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Data Annotation Lead
San Francisco, California, United States
OnsiteFull Time
Physical Intelligence
Physical Intelligence: Creating foundation models for general-purpose robot intelligence.
7+ YOE3+ Mgmt7+ years leading scaled data/annotation operations, 3+ years managing managers, experience scaling 100s→1,000s, building training/certification pipelines, integrating autolabeling/HITL workflows, and driving operational quality metrics.
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1w
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Annotation Operations Manager
Redwood City, California, United States
OnsiteFull Time
Dyna Robotics
Dyna Robotics: Develops general-purpose robots powered by proprietary embodied AI models.
3+ YOERequires 3+ years in operations, program, or team management; direct people management, hiring, performance and approval experience; operational metrics, reporting, vendor management, and annotation tooling fluency.
Encord, SQL
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Data Annotation Analyst
San Francisco, California, United States
$71k-$89k/yr OnsiteFull Time
Atoms
Atoms: Building robotics and software to automate physical world industries.
Experience labeling or performing quality control for ML training data; familiarity with annotation platforms, CLI tools, spreadsheets/BI dashboards, and version control; strong communication and attention to detail.
Git
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Data Annotation Analyst
San Francisco, California, United States
$71k-$89k/yr OnsiteFull Time
Atoms
Atoms: Building specialized industrial robots and physical AI systems.
Experience labeling or quality-controlling ML training data, managing remote labelers, familiarity with annotation platforms, CLI tools preferred, spreadsheet/BI dashboards, and Git or ticketing tools.
command-line interface, annotation platforms, spreadsheet tools, BI dashboards, Git
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Data Engine & Annotation Systems Engineer
California, United States
$120k-$155k/yr HybridFull Time
Simbe
Simbe: Autonomous robots for real-time retail inventory and shelf auditing.
3+ YOERequires 3+ years in software engineering, data tooling, ML data operations, annotation systems, data QA, or related technical work; strong Python, Bash, Linux, Git, web development, communication, and data-quality skills.
Python, Bash, Linux, Git, CVAT, FiftyOne, Labelbox, Scale, Roboflow, Supervisely
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Voice Recording Annotation and Transcription for Spanish (US)
United States or California or Florida or New York or Montana or New Jersey or Texas or Arizona or Nevada or Illinois or Virginia or Georgia or Utah
$17-$18/hr RemoteContract
Lionbridge
Lionbridge: Global provider of translation, localization, and AI training data.
High-level Spanish (US) and fluent English, transcription/annotation experience, attention to detail; able to follow guidelines and pass a short quiz.
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Senior Annotation and Data Pipeline Manager
San Carlos, California, United States
OnsiteFull Time
Genesis AI
Genesis AI: Building general-purpose robots with human-level physical intelligence.
4+ YOE4+ years in data or ML pipelines including leadership; strong Python (Pandas, NumPy, PyTorch) and SQL; experience scaling annotation/labeling operations; ML literacy and hands-on technical leadership.
Python, Pandas, NumPy, PyTorch, SQL
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Driver/Data Annotation Specialist (Contract)
San Francisco or New York City
$25/hr HybridContract
Treeswift
Treeswift: Provides AI-augmented vegetation management and asset monitoring for utilities.
Requires a valid driver's license, data entry or processing experience, strong visual attention, computer proficiency, and ability to commute to the San Francisco office at least twice weekly. Training is provided.
Slack, Google Sheets, Airtable
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Voice Recording Annotation and Transcription for Spanish (US)
United States or California or Florida or New York or Montana or New Jersey or Texas or Arizona or Nevada or Illinois or Virginia or Georgia or Utah
$17-$18/hr RemoteContract
Lionbridge
Lionbridge: Provides translation, localization, and AI training data services.
Native-level Spanish (US) and fluent English, prior transcription/annotation/recording experience, attention to detail, quiet recording environment, ability to record at 8 kHz; flexible, remote contractor work.
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2w
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Technical Program Manager, Human Data Annotation (Code)
Paris or Palo Alto or London
HybridFull Time
Mistral AI
Mistral AI: Developing frontier artificial intelligence models and enterprise AI solutions.
5+ YOE5+ years experience combining software engineering and technical program management; strong Python skills, project management, stakeholder communication, team leadership, and experience with data annotation operations.
Python, JavaScript, TypeScript, FastAPI, Django, React
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视频数据标注 & 评测专家 / 负责人
San Francisco, California, United States
RemoteFull Time
Embedding VC: Venture capital firm backing early-stage generative AI startups.
3+ years in video/image/multimodal annotation or evaluation; hands-on experience designing annotation tasks, QC (gold set, sampling, IAA, reviewer calibration), and collaborating with algorithm teams for badcase feedback; strong process and communication skills.
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Language Lead - French (Contract)
San Francisco or London or Bangalore
$25-$35/hr RemoteContract, Full Time
Cartesia
Cartesia: Builds real-time generative voice and multimodal AI models.
Native-level French, linguistics background, experience with annotation/transcription or language QA, strong English writing, ability to manage QA, audits, and annotator feedback.
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AI Expert - Armenian - Remote
Yerevan or San Francisco
RemoteContract
Lilt
Lilt: AI-powered platform for enterprise translation and content generation.
Native Armenian fluency and strong English, experience as an AI reviewer/annotator preferred, ability to assess text/audio/video, follow detailed guidelines, and produce accurate annotations.
SuperAnnotate
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Creative Producer - Special Projects
Cupertino, California, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
Direct on-camera and voice talent for data capture, create annotation guidelines and taxonomies, act as lead annotator to ensure ML data quality; strong communication and production experience implied.
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Agentic Data Understanding
San Francisco or New York City
OnsiteFull Time
Bedrock Robotics
Bedrock Robotics: Automates heavy construction machinery with AI retrofit kits.
8+ YOE8+ years in ML/data engineering or applied AI with production annotation/labeling systems, strong Python skills, pipeline and model-inference experience, familiarity with 2D/3D annotation modalities, metrics and cross-functional collaboration.
Python, VLMs, LLMs, LiDAR, IMU, cameras
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2w
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Croatian Speaker-Data Annotator
San Francisco or Seattle or New York City
$34/hr OnsiteFull Time
Welocalize
Welocalize: Provides AI training data and multilingual localization services.
1+ YOENative-level Croatian, strong written communication, 1 year data labeling/annotation experience or Bachelor's degree, authorized to work in the U.S.; ability to follow detailed guidelines for audio and language data.
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3mo
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Language Engineer, Artificial General Intelligence - Data Services
Boston or Bellevue or Sunnyvale
OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
2+ YOEExperience in language annotation, scripting (Python, KornShell), multilingual data, and computational linguistics; 2+ years in language data processing; Masters or higher.
Python, KornShell, SQL, R, Matlab
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3mo
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Senior ML Systems Engineer
Sunnyvale or United States
$171k-$261k/yr RemoteFull Time
General Motors
General MotorsNYSE: GM: Manufactures and sells automobiles and automotive parts globally.
6+ YOE6+ years of distributed platforms and full-stack development; Python, TypeScript, Go, React, GraphQL; cloud-based apps; ML/annotation tooling.
Python, TypeScript, Go, React, GraphQL, WebGL, SQL
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1mo
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Portuguese (Portugal) Language Analyst - US-based
New York City or Seattle or Bellevue or Redmond or San Francisco or Sunnyvale or Burlingame or California or Austin or Los Angeles or Washington or Chicago or Boston
$26-$28/hr OnsiteFull Time
Welocalize
Welocalize: Provides global translation, localization, and AI training data services.
1+ YOENative-level Portuguese (Portugal), 1+ year labeling/annotation or related Bachelor's degree, strong written communication, attention to detail, US work authorization required.
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