DATA ANNOTATION TEAM LEAD

Lead a team of annotators building the datasets that train frontier AI models. At Biz-Tech Analytics, we partner with global AI labs on high-stakes annotation projects RLHF, model evaluation, and custom dataset creation. This isnt bulk labeling. Its precision work that directly shapes how the worlds best AI models learn.

RESPONSIBILITIES

Lead, mentor, and manage a team of data annotators across image, video, text, and specialized projects

Conduct regular quality audits to maintain annotation accuracy above target thresholds

Train team members on annotation tools, processes, and specialized project guidelines

Collaborate with project managers to plan deliverables and meet client deadlines

Identify and implement process improvements to increase throughput without compromising quality

Handle escalations and ensure deadlines are met quality is non-negotiable

REQUIREMENTS

25 years of hands-on experience in data annotation (image, video, text, audio, or specialized domains)

Proven experience leading or managing annotation teams (not just individual annotation work)

Strong working knowledge of annotation tools (Labelbox, CVAT, Scale AI, Appen, or similar)

Track record of maintaining quality standards and running structured QC workflows

Excellent communication and organizational skills

Must work from our Delhi office this is a fully in-person role (no remote or hybrid options available)

NICE TO HAVE

Experience in specialized annotation: coding, medical, STEM, or multilingual domains

Exposure to AI/ML workflows, RLHF, or model evaluation pipelines

Experience scaling annotation teams from small to large

THIS ROLE ISNT FOR YOU IF

Youve never managed or led a team individual annotation experience alone isnt sufficient

Youre looking for a remote or hybrid position this role requires daily in-office presence in Delhi

You dont have hands-on experience with professional annotation tools

Youre not comfortable with strict quality benchmarks and tight deadlines

ABOUT BIZ-TECH ANALYTICS

Biz-Tech Analytics partners with global enterprises, AI labs, and industrial businesses to build and scale advanced AI systems. We specialize in human-in-the-loop annotation, RLHF, model evaluation, and custom dataset creation. With a global network of 500+ vetted annotators, developers, STEM professionals, linguists, and medical experts, we support complex AI initiatives by delivering high-quality data and precision feedback at scale.