Chiwetalu E.

Key Skills

Software

Clickworker

CrowdSource

Data Annotation Tech

Humanatic

Micro1

Mercor

Mindrift

OneForma

Remotasks

Toloka

Telus

Trilldata Technologies

Top Subject Matter

Software testing/ specialist

AI/data labeling adjacent QA evaluation

Web Development/Cybersecurity Analyst

Top Data Types

Text

Audio

Image

Top Task Types

Text Summarization

Question Answering

Evaluation/Rating

Transcription

Data Collection

Prompt + Response Writing (SFT)

Function Calling

Fine-tuning

Text Generation

Object Detection

Cuboid

Point/Key Point

Classification

Segmentation

Polygon

RLHF

Polyline

Bounding Box

Entity (NER) Classification

Computer Programming/Coding

Freelancer Overview

Renowned IT specialist and AI data annotation & Quality Reviewer with over 6-years of professional experience across complex professional workflows, research, and quality-focused execution while working with various AI training companies like Outlier AI, Handshake AI, Mindrift, and APPEN. My Core strengths include great communication skills, keen attention to detail, and the ability to learn quickly and adapt to new working environments. Education includes a Bachelor of Science in Computer Science. AI training focus includes data types such as Image, Video, Text, and Audio quality review, Computer Programming, and labeling workflows, including Evaluation, Rating, and AI data annotation.

Labeling Experience

Freelance Software Tester (uTest)

Delivered structured software QA assessments to identify and evaluate issues for testing cycles. Created clear, reproducible defect reports that supported review and approval by test leads. Ensured outputs met consistent reporting standards aligned with industry workflows. • Tested mobile application scenarios including search/filter edge cases and checkout flows • Verified input validation and UI responsiveness across devices • Documented functional and UX defects observed during real-world usage • Produced structured bug submissions for cycle-based evaluation

2022 - Present

Text and Video Quality Reviewer

TextText Summarization

Reviewed and annotated AI training datasets following strict quality guidelines. Performed screenshot analysis, structured data validation, and content evaluation tasks. Evaluated AI-generated outputs for accuracy, consistency, and policy compliance. Collaborated with global teams to improve annotation quality and workflow efficiency. Maintained high accuracy rates while handling large-scale data review projects.

2025 - 2026

AI Annotation/ Transcription

AudioTranscription

Performed structured labeling and transcription of audio files to identify defects and support professional evaluation. Produced detailed bug reports including reproducible steps, environment details, and severity ratings for review. Applied systematic methodologies focused on edge case identification and clear technical documentation. • Completed hiring assessment testing • Designed and executed functional testing and edge case identification • Recorded and documented test walkthroughs for traceability • Reported defects using consistent standards tied to audio transcriptions.

2024 - 2025

Data Labeling and Quality Reviewer

ImageRLHF

Contributed to structured projects where work quality and consistency were evaluated across multiple concurrent projects. Maintained steady output aligned with milestone-based expectations and payout structure. Followed established procedures to support reliable, reviewable results. • Participated in milestone-driven testing workflows • Maintained consistent quality across active projects • Completed tasks according to cycle guidelines • Collaborated through platform-based QA contribution processes

2022 - 2024

Education

Work History