Mwita A.

Key Skills

Software

Appen

Clickworker

CloudFactory

CVAT

Data Annotation Tech

iMerit

Labelbox

Micro1

Mercor

Mindrift

OneForma

Remotasks

SuperAnnotate

Surge AI

Telus

Top Subject Matter

AI transcription quality assessment and machine learning data labeling

Machine learning training data annotation with quality assurance

Transcription-related data labeling and field extraction QA

Top Data Types

Text

Audio

Image

Document

Top Task Types

Classification

Transcription

Freelancer Overview

AI Transcription Reviewer at Crowdgen (data labeling and AI output evaluation). Brings 7+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include N and A. Education includes Bachelor of Science, Chuka University (2018) and Professional Certification, Oracle University (2025). AI-training focus includes data types such as Text and Audio and labeling workflows including Evaluation, Rating, and Classification.

Labeling Experience

AI Transcription Reviewer at Crowdgen (data labeling and AI output evaluation)

Text

Performed detailed quality assessments of AI-generated transcriptions to evaluate accuracy and completeness against provided guidelines. Evaluated and labeled machine learning data from enterprise clients by following complex annotation instructions and quality check rules. Completed verification tasks within strict SLA deadlines and documented findings for continuous quality improvement. • Assessed transcription outputs for anomalies, inconsistencies, and output quality issues • Conducted post-process audits and wrote detailed error reports • Collaborated with Engineering and Product teams to resolve technical issues and meet weekly quality goals • Followed varied detection instructions to support fraud/anomaly identification in model outputs

2025 - Present

Data Annotator & Quality Specialist at RWS Solutions Inc.

TextClassification

Evaluated and annotated machine learning training data for enterprise AI clients across multiple industries. Performed visual and audio quality assessments to ensure accuracy, completeness, and adherence to detailed annotation taxonomies. Applied complex detection instructions to categorize errors and produced human annotations and corrections aligned to strict quality benchmarks. • Labeled data and categorized errors as correct, minor error, major error, or critical error • Conducted systematic post-process audits and produced comprehensive error reports • Collaborated cross-functionally with Engineering, Product, and Operations to optimize workflows and meet deliverables • Managed ambiguous cases and changing requirements while maintaining SLA compliance

2024 - 2025

Transcription Specialist (Freelance)

AudioTranscription

Performed data labeling and quality assessments across diverse audio and transcription-related content formats. Applied consistent annotation guidelines and followed complex instructions for visual and audio field extraction tasks. Flagged and documented quality issues, ambiguities, and errors requiring clarification or expert review while supporting team alignment. • Completed 300+ hours of labeling work with client SLA compliance • Collaborated with QA teams to establish and maintain annotation conventions • Maintained consistency across 15+ team members working on shared guidelines • Handled multiple concurrent projects and changing priorities efficiently

2020 - 2023

Education

Work History