"data annotation" Jobs

49 open tech roles matching “data annotation”, taken straight from company career pages — not reposted from other job boards. Most in demand right now: AI/ML, Python, TypeScript. Every listing is re-checked daily and closed roles are removed.

Showing 20 of 49 results

Cuein AI
Cuein AI San Francisco Bay Area Published 2 years ago
Anthropic

Join Anthropic as a Staff+ Software Engineer to build and maintain the RL Data Platform for reliable AI systems.

Anthropic San Francisco, CA | New York City, NY $320k–$405k/yr Published 2 weeks ago
Flexible on stack AI-first team
Anthropic

Join Anthropic as a Staff+ Research Engineer to build and maintain the RL Data Platform for reliable AI systems.

Anthropic San Francisco, CA | New York City, NY $500k–$850k/yr Published 2 weeks ago
Flexible on stack AI-first team
Labelbox

Join Labelbox as a Staff Software Engineer to shape the future of AI with cutting-edge data platforms and tools.

Labelbox San Francisco Bay Area $250k–$280k/yr Published 3 months ago
Flexible on stack
Cartesia

Join Cartesia as a Research Engineer to design high-quality datasets and engineer data pipelines for cutting-edge AI models.

Cartesia *HQ - San Francisco, CA Published 8 months ago
Labelbox

Join Labelbox as a Staff ML Engineer to shape AI training environments and systems in a high-impact, fast-paced setting.

Labelbox San Francisco Bay Area $250k–$280k/yr Published 1 month ago
Flexible on stack
Cartesia

Serve as the primary language resource for voice AI in English, managing quality and providing linguistic expertise.

Cartesia Remote Published 1 month ago
Cartesia

Join Cartesia as a Language Lead for Japanese, managing voice AI projects with a focus on quality and linguistics.

Cartesia Remote Published 1 month ago
Labelbox

Lead and grow the Forward Deployed Engineering team at Labelbox, focusing on technical quality and customer needs in AI development.

Labelbox San Francisco Bay Area $180k–$220k/yr Published 3 months ago
Heavy meetings
Anthropic

As Data Operations Manager, you'll scale data operations for AI research teams, ensuring high-quality data pipelines and strategic vendor partnerships.

Anthropic San Francisco, CA | New York City, NY $270k–$365k/yr Published 3 months ago
Cartesia

Join Cartesia as a Language Lead for French, overseeing voice AI projects with a focus on quality and linguistic expertise.

Cartesia Remote Published 1 month ago
Anthropic

Lead the Research Data Platform team at Anthropic to enhance data systems for AI research, ensuring usability and trustworthiness.

Anthropic San Francisco, CA | New York City, NY $405k–$850k/yr Published 2 months ago
Flexible on stack Heavy meetings
Cartesia

Join Cartesia as a Language Lead for Hindi, managing voice AI projects with a focus on quality and linguistic expertise.

Cartesia Remote Published 1 month ago
AI-first team
Cartesia

Lead a data team at Cartesia to enhance the quality of multimodal AI training data and infrastructure.

Cartesia *HQ - San Francisco, CA Published 1 month ago
Heavy meetings
Reflection AI

Design and operate large-scale multilingual data pipelines while advancing the efficiency of language models in a fast-moving team.

Reflection AI San Francisco, CA, United States Published 2 days ago
Labelbox

Lead the successful delivery of complex customer programs in a high-impact AI environment at Labelbox.

Labelbox San Francisco Bay Area $200k–$230k/yr Published 3 months ago
Labelbox

Join Labelbox as a Cyber Security Intern to strengthen and scale our enterprise security program while gaining hands-on experience.

Labelbox San Francisco Bay Area $40–$55/hr Published 2 months ago