Alfonce Otieno

Key Skills

Software

Remotasks

Clickworker

CloudFactory

Data Annotation Tech

Hasty

Top Subject Matter

AI Model Training/Natural Language Understanding

Text Domain Expertise

Sentiment Domain Expertise

Top Data Types

Text

Image

Video

Top Task Types

Entity (NER) Classification

Classification

Bounding Box

Polygon

Segmentation

Point/Key Point

Text Generation

Question Answering

Text Summarization

Object Detection

Transcription

Data Collection

Freelancer Overview

AI Data Annotator & Content Evaluator. Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Labelbox and Remotasks. Education includes Bachelor of Commerce, Mount Kenya University (2024) and Diploma in Project Management, Kisumu National Polytechnic (2022). AI-training focus includes data types such as Text and labeling workflows including Entity (NER) Classification and Classification.

Labeling Experience

Freelance AI Data Annotator & Evaluator

RemotasksTextClassification

As a freelance AI data annotator and evaluator, I labeled and validated datasets for text, sentiment, and image classification projects. I helped evaluate AI-generated content for grammar, factual correctness, and relevance. My contributions ensured consistency and data accuracy through rigorous quality assurance cycles. • Worked on annotation and evaluation tasks via multiple remote platforms. • Participated in quality assurance phases for labeled data. • Focused on projects enhancing NLU and content moderation. • Provided critical feedback to improve annotation guidelines.

As a freelance AI data annotator and evaluator, I labeled and validated datasets for text, sentiment, and image classification projects. I helped evaluate AI-generated content for grammar, factual correctness, and relevance. My contributions ensured consistency and data accuracy through rigorous quality assurance cycles. • Worked on annotation and evaluation tasks via multiple remote platforms. • Participated in quality assurance phases for labeled data. • Focused on projects enhancing NLU and content moderation. • Provided critical feedback to improve annotation guidelines.

2023 - Present

AI Data Annotator & Content Evaluator

LabelboxTextEntity Ner Classification

I performed multilingual text annotation, labeling, and evaluation to support AI model training. My primary objective was to assess the tone, clarity, and factual accuracy of AI-generated responses. I consistently maintained a quality score exceeding 98% by adhering to strict project standards. • Labeled, categorized, and evaluated text data in English and Kiswahili. • Provided feedback on ambiguous cases to improve annotation workflows. • Leveraged online project management and annotation tools for collaboration. • Contributed to the enhancement of natural language understanding capabilities.

I performed multilingual text annotation, labeling, and evaluation to support AI model training. My primary objective was to assess the tone, clarity, and factual accuracy of AI-generated responses. I consistently maintained a quality score exceeding 98% by adhering to strict project standards. • Labeled, categorized, and evaluated text data in English and Kiswahili. • Provided feedback on ambiguous cases to improve annotation workflows. • Leveraged online project management and annotation tools for collaboration. • Contributed to the enhancement of natural language understanding capabilities.

2025 - 2025

Education

Work History