For employers

Hire this AI Trainer

Sign in or create an account to invite AI Trainers to your job.

Invite to Job
E
Elvis Vis

Elvis Vis

AI Data Annotator / NLP Data Specialist

Uganda flagKampala, Uganda
IntermediateScale AIAppen

Key Skills

Software

Scale AIScale AI
AppenAppen

Top Subject Matter

Natural Language Processing
Search Engine Evaluation
Legal Services & Contract Review

Top Data Types

TextText
DocumentDocument

Top Task Types

ClassificationClassification

Freelancer Overview

AI Data Annotator / NLP Data Specialist. Core strengths include Scale AI and Appen. Education includes Certificate, Coursera (2024) and Specialization Certificate, Coursera (2024). AI-training focus includes data types such as Text and labeling workflows including Classification, Evaluation, and Rating.

IntermediateEnglishSwahiliFrench

Labeling Experience

Scale AI

AI Data Annotator / NLP Data Specialist

Scale AITextClassification
As an AI Data Annotator at Scale AI, I was responsible for annotating and labeling large-scale natural language datasets for machine learning and AI model training. I meticulously reviewed and evaluated text data to ensure accuracy, relevance, and contextual correctness in accordance with detailed annotation guidelines. This role required maintaining consistency and supporting the development of advanced Natural Language Processing systems through improved data quality. • Consistently delivered high-quality ground truth data for training and validating AI models • Identified and addressed labeling errors, inconsistencies, and edge cases in datasets • Achieved high productivity while adhering to strict accuracy and turnaround requirements • Collaborated with quality assurance teams to uphold annotation standards.

As an AI Data Annotator at Scale AI, I was responsible for annotating and labeling large-scale natural language datasets for machine learning and AI model training. I meticulously reviewed and evaluated text data to ensure accuracy, relevance, and contextual correctness in accordance with detailed annotation guidelines. This role required maintaining consistency and supporting the development of advanced Natural Language Processing systems through improved data quality. • Consistently delivered high-quality ground truth data for training and validating AI models • Identified and addressed labeling errors, inconsistencies, and edge cases in datasets • Achieved high productivity while adhering to strict accuracy and turnaround requirements • Collaborated with quality assurance teams to uphold annotation standards.

2025 - 2026
Appen

Search Quality Analyst

AppenText
As a Search Quality Analyst at Appen, I evaluated search engine results for relevance and user intent using structured rating guidelines. My work ensured high-quality search experiences by analyzing diverse query types and providing systematic feedback to improve result quality. I performed data annotation and content evaluation to support the training of AI and machine learning models. • Applied detailed quality standards to large-scale datasets • Enhanced search engine performance through targeted feedback and ratings • Maintained high accuracy and consistency under tight deadlines • Supported AI model training with precise annotations and evaluations.

As a Search Quality Analyst at Appen, I evaluated search engine results for relevance and user intent using structured rating guidelines. My work ensured high-quality search experiences by analyzing diverse query types and providing systematic feedback to improve result quality. I performed data annotation and content evaluation to support the training of AI and machine learning models. • Applied detailed quality standards to large-scale datasets • Enhanced search engine performance through targeted feedback and ratings • Maintained high accuracy and consistency under tight deadlines • Supported AI model training with precise annotations and evaluations.

2024 - 2025

Education

C

Coursera

Specialization Certificate, Natural Language Processing

Specialization Certificate
2024 - 2024
C

Coursera

Certificate, Text Retrieval and Search Engines

Certificate
2024 - 2024

Work History

I

I-Engineering

Administrative Assistant / Office Clerk

Kampala
2023 - 2024
S

Serena Hotel Kampala

Customer Service / Front Desk Assistant

Kampala
2022 - 2023