For employers

Hire this AI Trainer

Sign in or create an account to invite AI Trainers to your job.

LoginCreate account
Invite to Job
Reza Nugraha

Reza Nugraha

AI Data Annotator & Rater

Indonesia flagSemarang, Indonesia
$15.00/hrIntermediateOther

Key Skills

Software

Other

Top Subject Matter

AI/NLP Model Training
Speech/NLP Model Training

Top Data Types

TextText
AudioAudio
ImageImage

Top Task Types

RLHF
Transcription

Freelancer Overview

AI Data Annotator & Rater. Brings 6+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Economics, Universitas Islam Indonesia (2022). AI-training focus includes data types such as Text and Audio and labeling workflows including RLHF and Transcription.

IntermediateEnglishIndonesianMalayJavanese

Labeling Experience

AI Data Annotator & Transcriber

OtherAudioTranscription
I transcribed audio data including conversational clips, aligning timestamps and annotating speaker turns for AI language tasks. I applied emotion tagging and metadata annotation to support training of speech and voice-recognition models. My transcription work contributed to both NLP and LLM pipelines. • Maintained high transcription accuracy in native Indonesian and advanced English. • Performed detailed tagging, including tone and emotion recognition. • Ensured consistent application of guideline rubrics for metadata annotation. • Supported dataset enrichment for various AI speech systems.

I transcribed audio data including conversational clips, aligning timestamps and annotating speaker turns for AI language tasks. I applied emotion tagging and metadata annotation to support training of speech and voice-recognition models. My transcription work contributed to both NLP and LLM pipelines. • Maintained high transcription accuracy in native Indonesian and advanced English. • Performed detailed tagging, including tone and emotion recognition. • Ensured consistent application of guideline rubrics for metadata annotation. • Supported dataset enrichment for various AI speech systems.

2023 - Present

AI Data Annotator & Rater

OtherTextRLHF
As an AI Data Annotator & Rater, I performed extensive annotation on text, image, and conversational data to train AI models. My work included evaluating and rating AI-generated responses for accuracy, relevance, tone, and safety, supporting RLHF pipelines. I consistently followed complex annotation guidelines, maintaining high accuracy and inter-rater consistency. • Text classification, sentiment labeling, and instruction following evaluations were frequent tasks. • Routinely achieved quality metrics above platform benchmarks. • Managed high-volume annotation queues in a remote freelance environment. • Contributed directly to the improvement of AI safety and relevance via RLHF workflows.

As an AI Data Annotator & Rater, I performed extensive annotation on text, image, and conversational data to train AI models. My work included evaluating and rating AI-generated responses for accuracy, relevance, tone, and safety, supporting RLHF pipelines. I consistently followed complex annotation guidelines, maintaining high accuracy and inter-rater consistency. • Text classification, sentiment labeling, and instruction following evaluations were frequent tasks. • Routinely achieved quality metrics above platform benchmarks. • Managed high-volume annotation queues in a remote freelance environment. • Contributed directly to the improvement of AI safety and relevance via RLHF workflows.

2023 - Present

Education

U

Universitas Islam Indonesia

Bachelor of Economics, Development Economics

Bachelor of Economics
2018 - 2022

Work History

S

Self-Employed

Freelance English Instructor

Semarang
2021 - Present
C

CV. Banjar Black Gold

Business Development Assistant

Semarang
2023 - 2023