Leonard Tshitenge

Key Skills

Software

Appen

Top Subject Matter

AI Model Training & Evaluation

Writing Domain Expertise

Editing Domain Expertise

Top Data Types

Image

Text

Document

Top Task Types

Classification

Data Collection

Transcription

Evaluation Rating

Freelancer Overview

I have experience working on AI data annotation and content evaluation projects through platforms like Appen and Outlier. I’ve worked on tasks such as data collection, text annotation, transcription, and content review, always following detailed guidelines and focusing on quality. I’m currently studying Computer Science at the University of Ottawa and I’m fully bilingual in French and English, which allows me to work comfortably with both languages. I’m detail-oriented, reliable, and able to adapt quickly to different types of AI-related tasks.

Labeling Experience

AI Data Contributor (Freelance)

AppenTextData Collection

As an AI Data Contributor for Appen CrowdGen, I performed annotation of text and audio data for training AI models. I verified transcription accuracy, flagged inconsistencies, and ensured high-quality, compliant labels. My role required strict adherence to linguistic and contextual standards with a focus on timely task delivery. • Annotated and labeled text and audio content • Conducted quality checks and verification tasks • Used Appen’s internal interfaces for annotation • Maintained high consistency and quality assurance

As an AI Data Contributor for Appen CrowdGen, I performed annotation of text and audio data for training AI models. I verified transcription accuracy, flagged inconsistencies, and ensured high-quality, compliant labels. My role required strict adherence to linguistic and contextual standards with a focus on timely task delivery. • Annotated and labeled text and audio content • Conducted quality checks and verification tasks • Used Appen’s internal interfaces for annotation • Maintained high consistency and quality assurance

2024 - Present

AI Trainer / Generalist Contributor

ImageClassification

As an AI Trainer at Outlier AI, I performed detailed evaluation and review of AI-generated image and text content. My tasks included image description, comparison, and quality assessment to ensure guideline compliance. I followed strict written instructions and provided actionable written feedback to improve model outputs. • Evaluated AI content for clarity and accuracy • Conducted image description and comparison tasks • Assessed label quality and flagged inconsistencies • Used Outlier and web-based platforms for annotation

As an AI Trainer at Outlier AI, I performed detailed evaluation and review of AI-generated image and text content. My tasks included image description, comparison, and quality assessment to ensure guideline compliance. I followed strict written instructions and provided actionable written feedback to improve model outputs. • Evaluated AI content for clarity and accuracy • Conducted image description and comparison tasks • Assessed label quality and flagged inconsistencies • Used Outlier and web-based platforms for annotation

2024 - Present

Freelance Content Reviewer & Writer

Text

As a Freelance Content Reviewer & Writer, I edited and reviewed AI-generated written responses for clarity, grammar, and tone. I ensured all outputs strictly adhered to project prompts and quality guidelines. My responsibilities also included quality checking and consistency evaluation of labeled content. • Reviewed and edited AI-generated text • Ensured compliance with clarity and tone standards • Rated and provided summary feedback on responses • Worked remotely and independently to meet deadlines

As a Freelance Content Reviewer & Writer, I edited and reviewed AI-generated written responses for clarity, grammar, and tone. I ensured all outputs strictly adhered to project prompts and quality guidelines. My responsibilities also included quality checking and consistency evaluation of labeled content. • Reviewed and edited AI-generated text • Ensured compliance with clarity and tone standards • Rated and provided summary feedback on responses • Worked remotely and independently to meet deadlines

2023 - 2024

Education

Work History