Samuel Osifeso

Key Skills

Software

Toloka

Telus

Clickworker

Appen

Top Subject Matter

Legal Services & Contract Review

Regulatory Compliance & Risk Analysis

Legal Research & Document Analysis

Top Data Types

Text

Image

Document

Top Task Types

Classification

Bounding Box

Segmentation

Object Detection

Text Generation

Transcription

Data Collection

Prompt Response Writing SFT

Freelancer Overview

Micro-task worker/Data Annotation Specialist. Brings 6+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Toloka and Telus. Education includes Bachelor of Engineering, Olabisi Onabanjo University (2023). AI-training focus includes data types such as Text and labeling workflows including Classification, Evaluation, and Rating.

Labeling Experience

Micro-task worker/Data Annotation Specialist

TolokaTextClassification

As a Micro-task worker/Data Annotation Specialist at Toloka, I labeled and classified various data types for machine learning purposes. My work involved careful analysis and categorization to ensure accuracy in training datasets. I completed over 10,000 tasks with high standards of data precision. • Labeled text, audio, and image data for machine learning models. • Transcribed audio recordings to create text datasets. • Maintained an average of 85% approval rate for data accuracy. • Used a variety of proprietary and online annotation tools provided by Toloka.

As a Micro-task worker/Data Annotation Specialist at Toloka, I labeled and classified various data types for machine learning purposes. My work involved careful analysis and categorization to ensure accuracy in training datasets. I completed over 10,000 tasks with high standards of data precision. • Labeled text, audio, and image data for machine learning models. • Transcribed audio recordings to create text datasets. • Maintained an average of 85% approval rate for data accuracy. • Used a variety of proprietary and online annotation tools provided by Toloka.

2022 - 2025

Search Engine Evaluator/Data Reviewer

TelusText

As a Search Engine Evaluator/Data Reviewer at TELUS International, I rated online content for quality and relevance. My responsibilities included classifying and labeling data to improve search engine algorithms. I ensured my classifications adhered to strict data standards set by the company. • Labeled and reviewed online content to support search enhancements. • Entered classification results into structured platforms. • Evaluated data and provided feedback for continuous improvement. • Used TELUS proprietary labeling and evaluation platforms.

As a Search Engine Evaluator/Data Reviewer at TELUS International, I rated online content for quality and relevance. My responsibilities included classifying and labeling data to improve search engine algorithms. I ensured my classifications adhered to strict data standards set by the company. • Labeled and reviewed online content to support search enhancements. • Entered classification results into structured platforms. • Evaluated data and provided feedback for continuous improvement. • Used TELUS proprietary labeling and evaluation platforms.

2021 - 2022

Education

Work History