Brian Babu

Key Skills

Software

Sama

Telus

CloudFactory

Label Studio

Toloka

SuperAnnotate

Top Subject Matter

Grammar correction and AI proofreading

English linguistics and AI-generated content validation

LLM prompt and response evaluation

Top Data Types

Text

Image

Video

Top Task Types

Transcription

Text Generation

Text Summarization

Evaluation Rating

Freelancer Overview

Data Annotation Specialist. Brings 2+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Sama, Telus, and Internal. Education includes Bachelor of Arts, Multimedia University of Kenya (2018). AI-training focus includes data types such as Text and labeling workflows including Transcription, Evaluation, and Rating.

Labeling Experience

Data Annotation Specialist

SamaTextTranscription

As a Data Annotation Specialist at Sama Kenya, I led precise transcription and data annotation initiatives central to the advancement of AI grammar tools. My deep understanding of grammar and syntax enabled high-quality linguistic tagging and dataset consistency. I contributed directly to enhancing AI model accuracy through meticulous review and editing of varied text samples. • Delivered transcription and annotation services for grammar-checking datasets. • Conducted linguistic tagging, editing, and validation of English texts. • Ensured data integrity for fine-tuning AI proofreading models. • Utilized internal/proprietary tools to meet dataset quality standards.

As a Data Annotation Specialist at Sama Kenya, I led precise transcription and data annotation initiatives central to the advancement of AI grammar tools. My deep understanding of grammar and syntax enabled high-quality linguistic tagging and dataset consistency. I contributed directly to enhancing AI model accuracy through meticulous review and editing of varied text samples. • Delivered transcription and annotation services for grammar-checking datasets. • Conducted linguistic tagging, editing, and validation of English texts. • Ensured data integrity for fine-tuning AI proofreading models. • Utilized internal/proprietary tools to meet dataset quality standards.

2025 - 2025

Swahili Language Specialist

TelusText

As a Swahili Language Specialist at Telus International AI, I verified factual accuracy and logical structure in AI-generated English content. I applied expert linguistics knowledge for quality assurance and meaningful feedback. My role facilitated improved AI output tailored to English audiences. • Ensured high-quality evaluation of linguistic accuracy and coherence. • Provided expert subject matter insight in English syntax and pragmatics. • Validated translated and AI-generated language data. • Utilized Telus proprietary platform for annotation and verification tasks.

As a Swahili Language Specialist at Telus International AI, I verified factual accuracy and logical structure in AI-generated English content. I applied expert linguistics knowledge for quality assurance and meaningful feedback. My role facilitated improved AI output tailored to English audiences. • Ensured high-quality evaluation of linguistic accuracy and coherence. • Provided expert subject matter insight in English syntax and pragmatics. • Validated translated and AI-generated language data. • Utilized Telus proprietary platform for annotation and verification tasks.

2024 - 2025

AI Trainer

Text

As an AI Trainer at Pareto AI, I evaluated prompts and model responses for a large language model, ensuring prompt relevance and adherence to guidelines. Annotations and feedback directly informed the quality of AI fine-tuning iterations. I identified patterns in model errors, supporting effective training dataset development. • Assessed AI responses for linguistic accuracy and relevance. • Conducted annotations to guide fine-tuning progress. • Supported model error analysis and continuous improvement. • Used Pareto AI’s internal tool for prompt evaluation and annotation tasks.

As an AI Trainer at Pareto AI, I evaluated prompts and model responses for a large language model, ensuring prompt relevance and adherence to guidelines. Annotations and feedback directly informed the quality of AI fine-tuning iterations. I identified patterns in model errors, supporting effective training dataset development. • Assessed AI responses for linguistic accuracy and relevance. • Conducted annotations to guide fine-tuning progress. • Supported model error analysis and continuous improvement. • Used Pareto AI’s internal tool for prompt evaluation and annotation tasks.

2023 - 2024

Education

Work History