Marzuk Abdulmalik

Key Skills

Software

Labelbox

Scale AI

Label Studio

Top Subject Matter

No subject matter listed

Top Data Types

Audio

Image

Text

Video

Top Label Types

RLHF

Evaluation Rating

Entity Ner Classification

Text Summarization

Freelancer Overview

I have practical experience in data labeling and AI training projects, including annotating text datasets, rating AI generated responses, and contributing to reinforcement learning from human feedback (RLHF) workflows. My work focuses on improving model accuracy, reasoning, and instruction adherence while strictly following detailed annotation guidelines. I am highly detail oriented, consistent, and reliable, with strong analytical skills and a proven ability to deliver high quality evaluations under performance benchmarks in remote AI training environments.

Labeling Experience

Freelance Data Annotation Specialist

LabelboxTextEntity Ner ClassificationText Summarization

Focused on high accuracy Named Entity Recognition(NER) to identify and categorize key elements in unstructured text, such as names, dates, and locations. Conducted sentiment analysis on customer reviews to train models in identifying nuanced emotional cues. Ensured data quality by maintaining a high consensus score and adhering to complex annotation guidelines to improve model performance for NLP applications.

Focused on high accuracy Named Entity Recognition(NER) to identify and categorize key elements in unstructured text, such as names, dates, and locations. Conducted sentiment analysis on customer reviews to train models in identifying nuanced emotional cues. Ensured data quality by maintaining a high consensus score and adhering to complex annotation guidelines to improve model performance for NLP applications.

2024

Audio Labeling

Label StudioAudioAudio Recording

Performed high fidelity transcription and speaker diarization for over 50 hours of multi speaker conversations. Tasks included identifying background noise, labeling emotional intent, and ensuring 98% and more more accuracy in phonetic transcription to improve NLP model training for voice activated devices

Performed high fidelity transcription and speaker diarization for over 50 hours of multi speaker conversations. Tasks included identifying background noise, labeling emotional intent, and ensuring 98% and more more accuracy in phonetic transcription to improve NLP model training for voice activated devices

2023

AI Content Specialist & RLHF Annotator

LabelboxTextRLHF

Evaluated and ranked AI generated responses based on accuracy, tone, and safety guidelines. Performed high quality fact checking for LLM outputs and provided detailed feeback to improve model reasoning and conversational flow

Evaluated and ranked AI generated responses based on accuracy, tone, and safety guidelines. Performed high quality fact checking for LLM outputs and provided detailed feeback to improve model reasoning and conversational flow

2024 - 2025

AI Research Contributor & Data Rater

Scale AITextEvaluation Rating

Supported AI behavioral studies by classifying datasets and validating survey responses. Conducted side by side comparisons of AI outputs, delivering expert rating on performance metrics, including bias detection and structural strengths

Supported AI behavioral studies by classifying datasets and validating survey responses. Conducted side by side comparisons of AI outputs, delivering expert rating on performance metrics, including bias detection and structural strengths

2023 - 2025

Education

Work History