Victor Aina

Key Skills

Software

Other

CVAT

Label Studio

Top Subject Matter

General AI and Speech Data

Computer Vision

General AI and NLP

Top Data Types

Video

Audio

Image

Top Task Types

Bounding Box

Classification

RLHF

Segmentation

Entity (NER) Classification

Polygon

Object Detection

Question Answering

Transcription

Prompt + Response Writing (SFT)

Freelancer Overview

AI Data Annotation and Transcription Trainee / Contributor. Brings 5+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other and CVAT. Education includes Bachelor of Nursing Science, University of Ilorin (2022). AI-training focus includes data types such as Text and Image and labeling workflows including Evaluation, Rating, and Bounding Box.

Labeling Experience

Data Labelling Trainee

OtherTextClassification

As a Data Labelling Trainee at DataLens Africa, I trained in executing structured annotation instruction and project-specific labeling. This involved classification tasks and the application of data quality principles for AI training data workflows. I contributed to remote annotation efforts ensuring guideline alignment and quality standards. • Labeled and classified text datasets based on project instructions • Applied structured annotation methods • Performed quality reviews and corrections for labeled data • Participated remotely in diverse data labeling tasks

As a Data Labelling Trainee at DataLens Africa, I trained in executing structured annotation instruction and project-specific labeling. This involved classification tasks and the application of data quality principles for AI training data workflows. I contributed to remote annotation efforts ensuring guideline alignment and quality standards. • Labeled and classified text datasets based on project instructions • Applied structured annotation methods • Performed quality reviews and corrections for labeled data • Participated remotely in diverse data labeling tasks

2026 - 2026

Computer Vision Annotation Trainee

CVATImageBounding Box

As a Computer Vision Annotation Trainee at CVAT.ai Academy, I specialized in reviewing and labeling visual data using CVAT workflows. My tasks included object identification, bounding box annotation, and visual QA for image-based datasets. I ensured accuracy, consistency, and compliance with annotation project guidelines. • Performed object detection and bounding box labeling using CVAT • Reviewed images for label consistency and edge-case handling • Adhered to project annotation guidelines and best practices • Carried out visual quality assurance prior to submission

As a Computer Vision Annotation Trainee at CVAT.ai Academy, I specialized in reviewing and labeling visual data using CVAT workflows. My tasks included object identification, bounding box annotation, and visual QA for image-based datasets. I ensured accuracy, consistency, and compliance with annotation project guidelines. • Performed object detection and bounding box labeling using CVAT • Reviewed images for label consistency and edge-case handling • Adhered to project annotation guidelines and best practices • Carried out visual quality assurance prior to submission

2026 - 2026

AI Data Annotation and Transcription Trainee / Contributor

OtherText

As an AI Data Annotation and Transcription Trainee/Contributor at Uber AI Solutions, I focused on structured annotation across text, audio, and AI-generated materials. My role involved reviewing prompt responses, ranking outputs using RLHF-style criteria, and ensuring all submissions adhered to precise guidelines. This involved practicing transcription tasks and supporting quality assessment workflows for AI models. • Conducted prompt-response evaluations for clarity, safety, and instruction-following • Practiced transcription of audio tasks and formatting rules compliance • Ranked AI-generated content using RLHF-style workflows • Participated in structured QA checks to ensure annotation quality

As an AI Data Annotation and Transcription Trainee/Contributor at Uber AI Solutions, I focused on structured annotation across text, audio, and AI-generated materials. My role involved reviewing prompt responses, ranking outputs using RLHF-style criteria, and ensuring all submissions adhered to precise guidelines. This involved practicing transcription tasks and supporting quality assessment workflows for AI models. • Conducted prompt-response evaluations for clarity, safety, and instruction-following • Practiced transcription of audio tasks and formatting rules compliance • Ranked AI-generated content using RLHF-style workflows • Participated in structured QA checks to ensure annotation quality

2026 - 2026

Education

Work History