Tsilavina Ramanantsihoarana

Key Skills

Software

CVAT

Datasaur

Kili Technology

Labelbox

V7 Labs

Top Subject Matter

Computer Vision and NLP annotation pipelines

Audio and NLP annotation/transcription

Legal Services & Contract Review

Top Data Types

3D Sensor

Audio

Document

Geospatial Tiled Imagery

Image

Text

Video

Top Task Types

Bounding Box

Classification

Emotion Recognition

Entity (NER) Classification

Evaluation/Rating

Land Cover Classification

Mapping

Object Detection

Point/Key Point

Polygon

Polyline

Relationship

Segmentation

Text Summarization

Transcription

Freelancer Overview

Senior Technical Data Specialist / Data Annotation Lead. Core strengths include Kili Technology and Datasaur. AI-training focus includes data types such as Image and Audio and labeling workflows including Segmentation and Transcription.

Labeling Experience

data analysis

LabelboxTextEntity Ner ClassificationRelationship

Contributed to AI training projects through high-quality text analysis and data annotation, including content classification, intent detection, and contextual labeling. Followed detailed project guidelines to ensure accuracy, consistency, and reliability of annotations, with a strong focus on quality control and human judgment in complex or ambiguous cases to support machine learning model performance.

Contributed to AI training projects through high-quality text analysis and data annotation, including content classification, intent detection, and contextual labeling. Followed detailed project guidelines to ensure accuracy, consistency, and reliability of annotations, with a strong focus on quality control and human judgment in complex or ambiguous cases to support machine learning model performance.

2021 - 2025

Data Contributor & Quality Assurance Specialist

DatasaurAudioTranscription

Supervised high-volume data enrichment and transcription tasks for French NLP and audio projects. Maintained strict adherence to project guidelines while achieving a consistent 99% quality score. Ensured timely delivery and high precision for international clients. • Managed teams for spoken utterance validation • Focused on French language datasets • Oversaw automatic and manual QA processes • Delivered project outputs using Stripe-verified systems

Supervised high-volume data enrichment and transcription tasks for French NLP and audio projects. Maintained strict adherence to project guidelines while achieving a consistent 99% quality score. Ensured timely delivery and high precision for international clients. • Managed teams for spoken utterance validation • Focused on French language datasets • Oversaw automatic and manual QA processes • Delivered project outputs using Stripe-verified systems

2022 - Present

Senior Technical Data Specialist / Data Annotation Lead

Kili TechnologyImageSegmentation

Designed and managed annotation pipelines for Computer Vision and NLP projects. Oversaw the entire lifecycle from raw data formatting to quality assurance and final delivery. Supervised annotation and QA for high-accuracy ML team requirements. • Platforms used: Kili Technology, V7 Labs, Labelbox, CVAT, Dataloop, Datasaur, OpenTrain AI • Tasks included Semantic Segmentation, LiDAR, Entity Tagging • Developed custom Visual QA scripts for annotation validation • Delivered datasets for international clients at 98%+ accuracy

Designed and managed annotation pipelines for Computer Vision and NLP projects. Oversaw the entire lifecycle from raw data formatting to quality assurance and final delivery. Supervised annotation and QA for high-accuracy ML team requirements. • Platforms used: Kili Technology, V7 Labs, Labelbox, CVAT, Dataloop, Datasaur, OpenTrain AI • Tasks included Semantic Segmentation, LiDAR, Entity Tagging • Developed custom Visual QA scripts for annotation validation • Delivered datasets for international clients at 98%+ accuracy

2021 - Present

images annotations

LabelboxVideoBounding BoxPolygon

Contributed to multimodal AI training projects through high-quality annotation of text, images, audio, and video data. Responsibilities included content classification, object and scene labeling, audio transcription and event tagging, and video action recognition, following strict project guidelines to ensure accuracy, consistency, and reliable training data for machine learning models.

Contributed to multimodal AI training projects through high-quality annotation of text, images, audio, and video data. Responsibilities included content classification, object and scene labeling, audio transcription and event tagging, and video action recognition, following strict project guidelines to ensure accuracy, consistency, and reliable training data for machine learning models.

2021

Freelance Data Annotator & Transcriber

CVATImageBounding Box

As a freelance data annotator and transcriber, I specialized in image, video, and audio labeling for AI and machine learning projects. I performed high-quality object detection and speech transcription tasks while maintaining rigorous QA standards. I collaborated with multiple global teams using industry-leading annotation software. • Annotated images and videos using bounding boxes, polygons, and segmentation techniques • Transcribed and classified French and English audio and text data • Maintained 95%+ quality in extensive quality assurance reviews • Worked on platforms such as Labelbox, Kili Technology, Clickworker, Remotasks, and CVAT.

As a freelance data annotator and transcriber, I specialized in image, video, and audio labeling for AI and machine learning projects. I performed high-quality object detection and speech transcription tasks while maintaining rigorous QA standards. I collaborated with multiple global teams using industry-leading annotation software. • Annotated images and videos using bounding boxes, polygons, and segmentation techniques • Transcribed and classified French and English audio and text data • Maintained 95%+ quality in extensive quality assurance reviews • Worked on platforms such as Labelbox, Kili Technology, Clickworker, Remotasks, and CVAT.

2019

Education

Work History