Babatunde O.

Key Skills

Software

Other

OneForma

Top Subject Matter

Public administration compliance workflows

document-based AI training datasets

Customer service operations and CRM data logging

Top Data Types

Text

Image

Document

Top Task Types

Evaluation/Rating

Fine-tuning

RLHF

Transcription

Text Generation

Freelancer Overview

Data Annotation Specialist / AI Prompt Designer (Annotation QA Lead) at Centific (Remote). Brings 1+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Other and Don't disclose. Education includes Higher National Diploma, Kwara State Polytechnic (2018) and Teaching English as a Foreign Language (TEFL) Certificate, TEFL Professional Institute – Teacher Record (2026). AI-training focus includes data types such as Document and labeling workflows including Evaluation and Rating.

Labeling Experience

Data Annotation Specialist / AI Prompt Designer (Annotation QA Lead) at Centific (Remote)

OtherDocument

Executed field-level annotation QA and model validation across 500+ data points per week, maintaining 98%+ accuracy on multi-domain AI research tasks over 2 years. Designed and delivered 200+ structured annotation tasks and evaluation prompts grounded in government, public administration, and compliance workflows. Performed data cleansing and validation against source documents, detecting value mismatches, data type errors, missing fields, and structural violations with high throughput and minimal rework.• Achieved consistent senior reviewer pass rates through constructive QA feedback and defect reporting.• Identified, categorized, and escalated edge cases and ambiguous annotations using structured documentation.• Grounded annotations with publicly available government records and policy documents to improve contextual accuracy.• Used Google Suite and Excel for task management, data organization, and structured reporting.

2023 - 2025

Customer Service Representative at MTN Nigeria (On-site)

Don't discloseDocument

Handled high-volume customer interactions and maintained precise CRM records of complaints, resolutions, and follow-up actions. Produced weekly written reports and internal documentation in professional English to support team leads with structured performance insights. While not a dedicated AI labeling role, this work included documentation accuracy and structured data logging in CRM systems for operational quality and review.• Logged complaint types and resolutions with zero data entry errors across daily workflows.• De-escalated sensitive cases using structured responses, supporting quality and consistency outcomes.• Exceeded monthly quality KPIs by 15% on documentation accuracy and resolution speed.• Delivered written documentation and reporting to inform internal process improvement.

2022 - 2022

Education

Work History