Diam Biko

Key Skills

Software

Labelbox

CloudFactory

Top Subject Matter

AI Model Training and Evaluation

Natural Language Processing (NLP) and Speech

Legal Services & Contract Review

Top Data Types

Text

Image

Document

Top Task Types

RLHF

Classification

Freelancer Overview

Freelance AI Data Annotator, Transcriptionist & Prompt Engineer. Brings 7+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Labelbox and CloudFactory. Education includes Bachelor's Degree, Kenyatta University (2025). AI-training focus includes data types such as Text and labeling workflows including RLHF and Classification.

Labeling Experience

Freelance AI Data Annotator, Transcriptionist & Prompt Engineer

LabelboxTextRLHF

As a freelance AI data annotator, transcriptionist, and prompt engineer, I have maintained over 98% accuracy while labeling and optimizing text, image, audio, and transcription datasets. I designed and refined prompts to reduce model hallucinations and improve the reliability and safety of AI systems. My role required collaborating with global teams and working across multiple leading annotation platforms. • Managed high-volume weekly workflows, consistently processing over 1,000 tasks. • Implemented comprehensive QA and validation processes for improved dataset quality. • Played a key role in edge-case identification and dataset curation. • Utilized MekaAI, MicroOne, iMerit, CloudFactory, Clickworker, Toloka, Labelbox, and CVAT for annotation and quality assurance.

As a freelance AI data annotator, transcriptionist, and prompt engineer, I have maintained over 98% accuracy while labeling and optimizing text, image, audio, and transcription datasets. I designed and refined prompts to reduce model hallucinations and improve the reliability and safety of AI systems. My role required collaborating with global teams and working across multiple leading annotation platforms. • Managed high-volume weekly workflows, consistently processing over 1,000 tasks. • Implemented comprehensive QA and validation processes for improved dataset quality. • Played a key role in edge-case identification and dataset curation. • Utilized MekaAI, MicroOne, iMerit, CloudFactory, Clickworker, Toloka, Labelbox, and CVAT for annotation and quality assurance.

2020 - Present

AI Training & Data Annotation Specialist

CloudfactoryTextClassification

As an AI training and data annotation specialist, I performed classification, sentiment analysis, entity recognition, and transcription on various datasets. I structured and evaluated datasets to improve AI model reliability. Consistent high accuracy and rigorous adherence to quality benchmarks defined my work. • Conducted NER and sentiment annotation for natural language datasets. • Supported transcription and structured data labeling projects. • Delivered evaluations and quality ratings of AI system outputs. • Maintained collaboration with diverse annotation platforms for efficient workflow management.

As an AI training and data annotation specialist, I performed classification, sentiment analysis, entity recognition, and transcription on various datasets. I structured and evaluated datasets to improve AI model reliability. Consistent high accuracy and rigorous adherence to quality benchmarks defined my work. • Conducted NER and sentiment annotation for natural language datasets. • Supported transcription and structured data labeling projects. • Delivered evaluations and quality ratings of AI system outputs. • Maintained collaboration with diverse annotation platforms for efficient workflow management.

2020 - 2022

Education

Work History