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Stella Tetero Ndayambaje

Stella Tetero Ndayambaje

Senior AI Quality Analyst & Data Trainer

Italy flagTurin, Italy
$20.00/hrIntermediateOther

Key Skills

Software

Other

Top Subject Matter

Generative AI
Multimodal Video
Videoqa Domain Expertise

Top Data Types

VideoVideo
TextText
DocumentDocument

Top Task Types

RLHFRLHF
Text GenerationText Generation
Red TeamingRed Teaming
Evaluation/RatingEvaluation/Rating
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)
Fine-tuningFine-tuning

Freelancer Overview

Senior AI Quality Analyst & Data Trainer (OpenAI, Meta, Google). Brings 2+ years of professional experience across annotation operations, compliance, and structured analysis. Core strengths include Internal and Proprietary Tooling. Education includes Bachelor of Laws, University of Turin (2023). AI-training focus includes data types such as Video and labeling workflows including RLHF.

IntermediateEnglishFrenchKinyarwanda

Labeling Experience

Senior AI Quality Analyst & Data Trainer (OpenAI, Meta, Google)

VideoRLHF
As a Senior AI Quality Analyst & Data Trainer, I specialized in multimodal video evaluation, RLHF, and data annotation for major generative AI platforms. My focus was on high-complexity quality analysis, action recognition, and temporal consistency within generative video and VideoQA campaigns. I ensured model outputs met stringent quality and linguistic standards across English and French datasets. • Conducted deep-dive linguistic QA for translation accuracy and cultural nuance. • Utilized proprietary internal tooling for object detection, facial recognition, and sentiment analysis tasks. • Audited and refined large-scale data sets, applying advanced quality frameworks. • Designed prompts and performed analytical risk assessment to test and optimize model logic.

As a Senior AI Quality Analyst & Data Trainer, I specialized in multimodal video evaluation, RLHF, and data annotation for major generative AI platforms. My focus was on high-complexity quality analysis, action recognition, and temporal consistency within generative video and VideoQA campaigns. I ensured model outputs met stringent quality and linguistic standards across English and French datasets. • Conducted deep-dive linguistic QA for translation accuracy and cultural nuance. • Utilized proprietary internal tooling for object detection, facial recognition, and sentiment analysis tasks. • Audited and refined large-scale data sets, applying advanced quality frameworks. • Designed prompts and performed analytical risk assessment to test and optimize model logic.

2024 - 2026

Education

U

University of Turin

Bachelor of Laws, Global Law and Transnational Legal Studies

Bachelor of Laws
2023

Work History

I

Invisible Technologies.

Senior AI Data Trainer and Quality Analyst.

Torino
2024 - 2026
R

Rituals

Bilingual Customer Support Representative

Turin
2023 - 2026