Arnold M.

Key Skills

Software

Other

Appen

Data Annotation Tech

Label Studio

Mindrift

Mercor

Top Subject Matter

AI Data Annotation

Quality Assurance

Amharic/English Language Data

Top Data Types

Text

Image

Document

Audio

Top Task Types

Classification

Transcription

Fine-tuning

Freelancer Overview

AI Data Specialist / Data Annotator (Freelance Remote). Core strengths include Other. Education includes Bachelor of Science, University of Nairobi (2019). AI-training focus includes data types such as Text and labeling workflows including Classification.

Labeling Experience

AI Data Contributor (Text/Audio) — Remote (Contract)

OtherTextFine-tuning

Completed guideline-based data contributor tasks supporting model training through transcript cleanup, normalization, and quality tagging. Maintained consistent formatting and reviewed items for compliance with task guidelines. Documented edge cases to improve reviewer understanding and reduce inconsistent annotations. • Added or adjusted quality tags based on annotation criteria • Applied normalization and cleanup steps to text transcripts • Tracked and handled edge cases per documentation requirements • Supported training dataset quality through consistent formatting and compliance

2022 - Present

Transcriptionist / Transcript QA (Swahili) — Remote (Contract/Freelance)

OtherAudioTranscription

Reviewed Swahili audio recordings and produced verbatim transcripts aligned to style and formatting rules (punctuation, numerals, names, and consistency). Corrected machine-generated ASR outputs by fixing misrecognitions, missing words, repetitions, and improper word boundaries. Verified transcript completeness and meaning without paraphrasing speaker intent, and flagged unclear sections according to guidelines. • Performed final QA passes using checklists to reduce preventable errors and rework • Maintained consistent transcript formatting for downstream dataset quality • Escalated or documented issues for unclear segments and guideline exceptions • Ensured speaker intent was preserved during corrections

2020 - Present

Education

Work History