
Sanjeev Singh
@sanjeevsingh2
I improve AI training data through precise annotation, grounding, quality review, and content-safety operations.
What I'm looking for
I've delivered AI/ML training-data annotation at Innodata and One Forma, working on CUA/UI grounding, bounding boxes, referring expressions, dense structured grounding, and image annotation.
I review and correct AI-generated annotations, identify labeling errors and edge cases, and maintain quality, completeness, and guideline compliance while meeting productivity and turnaround requirements.
Across Tech Mahindra, Cognizant, Webhelp, and Concentrix, I've also supported Google Ads quality, content moderation, policy review, escalations, RCA, and operational quality improvement.
Experience
Work history, roles, and key accomplishments
Performed AI/ML data annotation and content-labeling tasks, including CUA/UI grounding, bounding-box annotation, referring expressions, and dense structured grounding. Reviewed and corrected AI-generated annotations, performed quality checks, and handled edge cases to reduce rework.
Conducted L3 quality audits for Google Ads processes, performed root-cause analysis, and provided corrective feedback. Prepared quality reports and supported process improvement and calibration activities.
Freelance Content Reviewer / Data Annotation Specialist
One Forma
Oct 2024 - Oct 2025 (1 year)
Performed high-accuracy data annotation and content labeling for AI/ML model training. Validated content across multiple formats, identified edge cases, and ensured annotation consistency and adherence to quality standards.
Reviewed Google Ads content and handled escalations according to policy and process guidelines. Maintained productivity, accuracy, and turnaround-time requirements.
Contact Center Associate - Content Review / Escalation Handling
Webhelp
Jan 2020 - Dec 2022 (2 years 11 months)
Supported Google Ads/PPC and content moderation operations with a focus on policy accuracy and platform safety. Reviewed cases, identified policy violations, and maintained productivity and quality targets.
Representative Operations - Content Review / Temporary SME
Feb 2018 - Oct 2019 (1 year 8 months)
Moderated user-generated content, identified and actioned policy-violating content, and reviewed complex cases. Supported team members as a Temporary SME and conducted quality checks to improve accuracy and policy adherence.
Education
Degrees, certifications, and relevant coursework
Uttarakhand Technical University
Bachelor of Technology, Computer Science and Engineering
2009 - 2013
Pursued a Bachelor of Technology in Computer Science and Engineering, gaining a strong foundation in computing and engineering principles.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
Skills
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