Ngoc Nguyen
@ngocnguyen
AI training specialist focused on LLM evaluation, prompt engineering, and high-quality data annotation.
What I'm looking for
I am an AI training specialist with hands-on experience in large language model evaluation, prompt engineering, RLHF, fine-tuning, and data annotation across multiple platforms and vendors.
I have designed and executed training datasets including audio recording, transcription, and emotion labeling to improve model robustness and safety alignment.
My background includes data analysis roles where I produced insights, predictive models, and reports to inform business decisions for stakeholders and management boards.
I collaborate effectively with cross-functional teams, lead vendor training and QC, and apply a strong analytical mindset to mitigate bias and optimize model performance.
Experience
Work history, roles, and key accomplishments
Voice Recording Specialist
Mercor Intelligence
Feb 2025 - Present (8 months)
Record prompts and responses during testing sessions to produce high-quality voice datasets for speech model training and evaluation.
Tester
TesterWork
Feb 2025 - Present (8 months)
Execute app and web functionality testing to identify issues and validate feature behavior, contributing to product quality improvements.
Perform large language model training tasks and conduct quality assurance on model outputs to improve response quality and alignment.
Record and analyze emotional responses during testing sessions to build labeled audio datasets supporting affective AI and speech model training.
Perform large language model training and fine-tuning tasks, conduct quality checks, and contribute to dataset preparation for language services.
AI Trainer
Alignerr
Aug 2024 - Present (1 year 2 months)
Execute large language model training initiatives and assessment activities focused on safety alignment and performance optimization.
Image Annotator
ParetoAI
Aug 2024 - Present (1 year 2 months)
Annotate images to create AI training datasets and ensure labeling consistency to improve model training outcomes and dataset quality.
AI Trainer
Welocalize Linguistics
Mar 2024 - Present (1 year 7 months)
Evaluate and rate content (ads) and perform AI training tasks including annotation and quality control to align outputs with linguistic and safety guidelines.
Perform large language model training and fine-tuning tasks, improving model accuracy and safety through dataset design and quality checks across multi-modal inputs.
Data Analyst
Canal+
Oct 2021 - Jul 2025 (3 years 9 months)
Analyzed sales and performance data to predict customer behavior and delivered periodic reports that informed strategic decisions by the management board.
Social Media Analyst
Tencent
Dec 2020 - Oct 2021 (10 months)
Monitored trends and campaign effectiveness, leveraged data insights to optimize social media strategies, and produced reports and visualizations for stakeholders.
Content Operations Supervisor
iix
Jul 2016 - Dec 2020 (4 years 5 months)
Curated content, developed production plans and linguistic guidelines, QC'd localized content, and recruited and trained vendors to maintain content quality.
Kids Channel Team Lead
Viettel Television
Oct 2014 - Jun 2016 (1 year 8 months)
Led a team to produce high-quality children's content, managed scheduling and programming, and ensured regulatory compliance and content quality.
Editor
MSky Vietnam
Dec 2013 - Sep 2014 (9 months)
Edited and translated subtitles, performed QA on outsourced content, and collaborated with technical teams to ensure smooth program airing.
Assistant Director
Jahon International
May 2012 - Nov 2013 (1 year 6 months)
Assisted in planning and coordinating conferences and exhibitions, managed charity projects and executive schedules, and conducted interpretation and stakeholder coordination.
Writer/Editor
VnExpress
Dec 2011 - May 2012 (5 months)
Wrote and translated news articles, covering local and global topics with editorial quality and timely delivery.
Education
Degrees, certifications, and relevant coursework
Hanoi University
Bachelor of Arts, English Studies and Literature
2008 - 2012
Studied English studies and literature with coursework in linguistics, translation, and cultural studies, completed degree in 2012.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
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