Martin Sikuku

Key Skills

Software

Scale AI

Appen

Top Subject Matter

Large Language Models

Sentiment Domain Expertise

Entities Domain Expertise

Top Data Types

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Image

Top Task Types

Transcription

Freelancer Overview

AI Data Trainer & Quality Analyst. Brings 5+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Scale AI and Appen. Education includes Bachelor of Arts, Arizona State University (2018) and High School Diploma, Central High School (2014). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Transcription.

Labeling Experience

AI Data Trainer & Quality Analyst

Scale AIText

As an AI Data Trainer & Quality Analyst at ScaleAI, I trained and evaluated large language models through daily high-volume text data labeling. My work involved sentiment analysis, entity recognition, and prompt response scoring to enhance the performance of AI systems. I consistently ranked in the top tier of annotators and received company awards for quality and accuracy. • Labeled over 2,500 data points daily with 99.2% accuracy • Performed sentiment analysis, entity recognition, and prompt scoring • Contributed to guideline refinement and team onboarding • Reduced annotation error rates by 35% through precise evaluation

As an AI Data Trainer & Quality Analyst at ScaleAI, I trained and evaluated large language models through daily high-volume text data labeling. My work involved sentiment analysis, entity recognition, and prompt response scoring to enhance the performance of AI systems. I consistently ranked in the top tier of annotators and received company awards for quality and accuracy. • Labeled over 2,500 data points daily with 99.2% accuracy • Performed sentiment analysis, entity recognition, and prompt scoring • Contributed to guideline refinement and team onboarding • Reduced annotation error rates by 35% through precise evaluation

2023 - Present

Data Entry & Processing Specialist

AppenTextTranscription

During my time as a Data Entry & Processing Specialist for Amazon Mechanical Turk and Appen, I completed transcription and categorization projects involving high-volume text data. I ensured strict data accuracy while handling sensitive customer and product information under NDA protocols. My efforts resulted in consistently high audit scores and efficiency improvements for clients. • Transcribed and categorized 1,200+ records per shift • Achieved a 100% pass rate on internal quality audits • Detected and corrected critical data discrepancies • Used proprietary and spreadsheet platforms to deliver results

During my time as a Data Entry & Processing Specialist for Amazon Mechanical Turk and Appen, I completed transcription and categorization projects involving high-volume text data. I ensured strict data accuracy while handling sensitive customer and product information under NDA protocols. My efforts resulted in consistently high audit scores and efficiency improvements for clients. • Transcribed and categorized 1,200+ records per shift • Achieved a 100% pass rate on internal quality audits • Detected and corrected critical data discrepancies • Used proprietary and spreadsheet platforms to deliver results

2019 - 2021

Education

Work History