Rajan Luthra

Key Skills

Software

Appen

Telus

Clickworker

Data Annotation Tech

Mercor

Top Subject Matter

Computer Vision

Natural Language Processing

Search Engine Evaluation

Top Data Types

Image

Text

Video

Top Task Types

Classification

Transcription

Mapping

Text Generation

Text Summarization

Freelancer Overview

Freelance Data Annotator (Appen, OneForma, Telus AI). Brings 14+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Appen, Telus, and UHRS. Education includes Secondary School Certificate, National Institute of Open Schooling Board (2011) and Senior Secondary School Certificate, Indira Gandhi National Open University Board (2013). AI-training focus includes data types such as Image, Text, and Geospatial and labeling workflows including Classification, Transcription, and Evaluation.

Labeling Experience

Freelance Map Validator/Location Tester (Appen, Telus AI)

AppenMapping

This responsibility was focused on map accuracy, location verification, and geospatial data validation tasks. The work supported location-based AI systems through thorough research and annotation. Accuracy and up-to-date data entry were essential for improving mapping algorithms. • Verified accuracy of digital maps and geotagged data. • Conducted research to confirm locations and coordinates. • Provided feedback on geographic data discrepancies. • Used online tools to support map quality and reliability.

This responsibility was focused on map accuracy, location verification, and geospatial data validation tasks. The work supported location-based AI systems through thorough research and annotation. Accuracy and up-to-date data entry were essential for improving mapping algorithms. • Verified accuracy of digital maps and geotagged data. • Conducted research to confirm locations and coordinates. • Provided feedback on geographic data discrepancies. • Used online tools to support map quality and reliability.

2019 - Present

Freelance Search Engine Evaluator (UHRS, Appen, Telus AI)

Text

This experience entailed evaluating search engine results and rating ads and online content for relevance and quality. The role required following strict guidelines and systematic rating procedures. Insights from these evaluations contributed to refining AI search and ad ranking algorithms. • Assessed relevance of search engine results based on criteria. • Rated advertisement and internet content quality. • Recorded findings using proprietary platforms. • Ensured objectivity and adherence to standards at all times.

This experience entailed evaluating search engine results and rating ads and online content for relevance and quality. The role required following strict guidelines and systematic rating procedures. Insights from these evaluations contributed to refining AI search and ad ranking algorithms. • Assessed relevance of search engine results based on criteria. • Rated advertisement and internet content quality. • Recorded findings using proprietary platforms. • Ensured objectivity and adherence to standards at all times.

2019 - Present

Freelance Hindi Audio Transcriber (Telus AI, Appen)

TelusTextTranscription

This position focused on Hindi audio transcription and speech-to-text conversion to train natural language processing models. Accuracy and linguistic fluency were crucial for delivering high-quality transcripts. The role demanded a detailed understanding of spoken language nuances. • Transcribed Hindi audio files into text with high accuracy. • Performed quality checks and edits on completed transcripts. • Collaborated with project teams on improvement suggestions. • Maintained confidentiality and metadata integrity throughout.

This position focused on Hindi audio transcription and speech-to-text conversion to train natural language processing models. Accuracy and linguistic fluency were crucial for delivering high-quality transcripts. The role demanded a detailed understanding of spoken language nuances. • Transcribed Hindi audio files into text with high accuracy. • Performed quality checks and edits on completed transcripts. • Collaborated with project teams on improvement suggestions. • Maintained confidentiality and metadata integrity throughout.

2019 - Present

Freelance Data Annotator (Appen, OneForma, Telus AI)

AppenImageClassification

This role involved annotating images and videos for use in AI training datasets. The work required precise categorization and thorough labeling to enhance machine learning models. Tasks also included close attention to data quality and adherence to project guidelines. • Labeled images and videos for object classification and segmentation. • Applied strict quality control measures to ensure accuracy. • Used specific guidelines to categorize visual content. • Worked independently as a freelancer for multiple platforms.

This role involved annotating images and videos for use in AI training datasets. The work required precise categorization and thorough labeling to enhance machine learning models. Tasks also included close attention to data quality and adherence to project guidelines. • Labeled images and videos for object classification and segmentation. • Applied strict quality control measures to ensure accuracy. • Used specific guidelines to categorize visual content. • Worked independently as a freelancer for multiple platforms.

2019 - Present

Education

Work History