Bello Kabiru

Key Skills

Software

Labelbox

CVAT

Lionbridge

Top Subject Matter

Large Language Models (LLMs)

Natural Language Processing (NLP)

Dialogue AI

Top Data Types

Text

Image

Audio

Top Task Types

Bounding Box

Transcription

Freelancer Overview

Freelance AI Data Specialist (TELUS AI, Scale AI, Remotasks). Brings 7+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Labelbox, CVAT, and Lionbridge. Education includes Bachelor of Engineering, Bayero University Kano (2025). AI-training focus includes data types such as Text, Image, and Audio and labeling workflows including Evaluation, Rating, and Bounding Box.

Labeling Experience

Freelance AI Data Specialist (TELUS AI, Scale AI, Remotasks)

CVATImageBounding Box

Specialized in high-precision image bounding box and semantic segmentation for computer vision projects. Manually annotated and quality checked over 100,000 images for object detection and segmentation applications. Ensured consistent accuracy and compliance with client annotation guidelines. • Utilized CVAT, SuperAnnotate, and Scale AI for complex visual labeling. • Contributed to safety and reasoning-focused AI training datasets. • Delivered pixel-accurate bounding box and polygon annotations. • Involved in QA and feedback cycles for annotation improvement.

Specialized in high-precision image bounding box and semantic segmentation for computer vision projects. Manually annotated and quality checked over 100,000 images for object detection and segmentation applications. Ensured consistent accuracy and compliance with client annotation guidelines. • Utilized CVAT, SuperAnnotate, and Scale AI for complex visual labeling. • Contributed to safety and reasoning-focused AI training datasets. • Delivered pixel-accurate bounding box and polygon annotations. • Involved in QA and feedback cycles for annotation improvement.

2021 - Present

Freelance AI Data Specialist (TELUS AI, Scale AI, Remotasks)

LabelboxText

Served as a freelance AI data specialist focusing on LLM alignment, dialogue evaluation, and red-teaming tasks. Labeled over 500,000 data points for safety, reasoning, and role-play in natural language processing projects. Achieved recognition for high-accuracy results and consistent top 5% ranking among contributors. • Delivered multi-turn dialogue review and prompt response evaluation. • Conducted data annotation using advanced tools including Labelbox, Scale AI, Remotasks, and SuperAnnotate. • Executed rigorous quality assessments with an average 98.7% audit score. • Provided Labelbox synthetic data generation and QA for NLP models.

Served as a freelance AI data specialist focusing on LLM alignment, dialogue evaluation, and red-teaming tasks. Labeled over 500,000 data points for safety, reasoning, and role-play in natural language processing projects. Achieved recognition for high-accuracy results and consistent top 5% ranking among contributors. • Delivered multi-turn dialogue review and prompt response evaluation. • Conducted data annotation using advanced tools including Labelbox, Scale AI, Remotasks, and SuperAnnotate. • Executed rigorous quality assessments with an average 98.7% audit score. • Provided Labelbox synthetic data generation and QA for NLP models.

2021 - Present

Data Annotation Specialist (Lionbridge AI)

LionbridgeAudioTranscription

Worked on large-scale voice data validation and phonetic transcription for search engine relevance projects. Completed over 200 hours of accurate audio transcription and data QA using dedicated annotation software. Supported the development of voice AI models through rigorous validation processes. • Engaged in phonetic labeling and speaker diarization tasks. • Delivered high-quality, audit-approved audio transcripts. • Applied annotation criteria to various languages and accents. • Assisted project teams in error resolution and labeling feedback.

Worked on large-scale voice data validation and phonetic transcription for search engine relevance projects. Completed over 200 hours of accurate audio transcription and data QA using dedicated annotation software. Supported the development of voice AI models through rigorous validation processes. • Engaged in phonetic labeling and speaker diarization tasks. • Delivered high-quality, audit-approved audio transcripts. • Applied annotation criteria to various languages and accents. • Assisted project teams in error resolution and labeling feedback.

2020 - 2021

Education

Work History