Collins C.

Key Skills

Software

Appen

Remotasks

Other

Top Subject Matter

Swahili (Kiswahili) transcription

multilingual transcription/translation

and AI training data labeling

Top Data Types

Audio

Video

Text

Document

Top Task Types

Transcription

Freelancer Overview

AI Data Trainer / Data Annotator (Swahili Transcription Specialist) — Freelance/Remote (Kenya). Brings 6+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Appen, Remotasks, and Other. Education includes Bachelor of Languages, Jomo Kenyatta University of Agriculture and Technology (JKUAT) and Kenya Certificate of Secondary Education, Kagumo High School (2019). AI-training focus includes data types such as Audio and Video and labeling workflows including Transcription, Evaluation, and Rating.

Labeling Experience

Video Reviewer — Freelance/Independent Contractor

OtherVideo

You evaluated and rated short-form videos to generate structured annotations supporting AI training for video recommendation and content understanding systems. You assessed relevance, quality, engagement potential, and alignment with platform and project guidelines. You provided consistent feedback on similarity, visual changes, authenticity, and appropriateness using detailed guideline adherence and QA processes. • Rated hundreds of videos across TikTok, Instagram Reels, and Facebook Reels. • Produced accurate annotations/ratings and completed quality assurance tasks under tight deadlines. • Recorded review sessions via screen recordings and reported findings for dataset creation. • Maintained high throughput (350–750 evaluations per project) while ensuring quality and consistency.

2024 - Present

AI Data Trainer / Data Annotator (Swahili Transcription Specialist) — Freelance/Remote (Kenya)

AppenAudioTranscription

You trained and enhanced AI models by performing accurate annotation and labeling across multilingual audio-related datasets. You reviewed AI-generated responses for quality, fluency, cultural relevance, and factual accuracy against strict project guidelines. You ensured linguistic authenticity for East African contexts using native-level language understanding and detailed error analysis. • Verbatim transcription with speaker identification/labeling and precise timestamp insertion. • Non-speech sound annotation (e.g., laughter, pauses, background noise, accents). • Multilingual support across Kiswahili/Swahili and English, including English ↔ Kiswahili ↔ Kikuyu translation tasks. • Achieved 98%+ accuracy and high productivity while following privacy/confidentiality requirements.

2024 - Present

Education

Work History