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I'm Mohammed Tahmid Hossain, a Data Quality Specialist and AI Researcher focused on building reliable multimodal datasets and evaluating large language models. I have 2+ years of experience in annotation, QA, and AI training workflows, with published research at IEEE conferences in machine learning, environmental analytics, and healthcare cybersecurity. I bring hands-on skills in rubric-based QA, large-scale data validation, and mentoring AI trainers. I enjoy turning complex data into clear quality signals, and I’m proficient in Python and cloud platforms like AWS and GCP, along with a variety of data tools to support end-to-end AI development.…I'm Mohammed Tahmid Hossain, a Data Quality Specialist and AI Researcher focused on building reliable multimodal datasets and evaluating large language models. I have 2+ years of experience in annotation, QA, and AI training workflows, with published research at IEEE conferences in machine learning, environmental analytics, and healthcare cybersecurity. I bring hands-on skills in rubric-based QA, large-scale data validation, and mentoring AI trainers. I enjoy turning complex data into clear quality signals, and I’m proficient in Python and cloud platforms like AWS and GCP, along with a variety of data tools to support end-to-end AI development.

Mohammed Tahmid Hossain

Data Scientist, AI Engineer, AI Developer, +2

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I'm Mohammed Tahmid Hossain, a Data Quality Specialist and AI Researcher focused on building reliable multimodal datasets and evaluating large language models. I have 2+ years of experience in annotation, QA, and AI training workflows, with published research at IEEE conferences in machine learning, environmental analytics, and healthcare cybersecurity. I bring hands-on skills in rubric-based QA, large-scale data validation, and mentoring AI trainers. I enjoy turning complex data into clear quality signals, and I’m proficient in Python and cloud platforms like AWS and GCP, along with a variety of data tools to support end-to-end AI development.…I'm Mohammed Tahmid Hossain, a Data Quality Specialist and AI Researcher focused on building reliable multimodal datasets and evaluating large language models. I have 2+ years of experience in annotation, QA, and AI training workflows, with published research at IEEE conferences in machine learning, environmental analytics, and healthcare cybersecurity. I bring hands-on skills in rubric-based QA, large-scale data validation, and mentoring AI trainers. I enjoy turning complex data into clear quality signals, and I’m proficient in Python and cloud platforms like AWS and GCP, along with a variety of data tools to support end-to-end AI development.

Available to hire

I’m Mohammed Tahmid Hossain, a Data Quality Specialist and AI Researcher focused on building reliable multimodal datasets and evaluating large language models. I have 2+ years of experience in annotation, QA, and AI training workflows, with published research at IEEE conferences in machine learning, environmental analytics, and healthcare cybersecurity.
I bring hands-on skills in rubric-based QA, large-scale data validation, and mentoring AI trainers. I enjoy turning complex data into clear quality signals, and I’m proficient in Python and cloud platforms like AWS and GCP, along with a variety of data tools to support end-to-end AI development.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

Bengali

Advanced

English

Advanced

Work Experience

QA – Senior AI Data Trainer at Invisible Technologies

September 1, 2024 - September 1, 2025

Cleaned, optimized, and quality-checked 10,000+ multimodal data samples (text, image, and instruction) to improve LLM training performance. Performed rubric-based QA evaluation of LLM outputs for accuracy, relevance, safety, and instruction-following across large-scale pipelines. Mentored and onboarded new AI trainers through calibration reviews, structured feedback, and quality guidance, improving team consistency. Authored requirement and process documentation using Google Docs to standardize annotation and QA workflows across the team. Tracked quality metrics and reviewer feedback in Google Sheets using research-oriented evaluation methods to identify model behavior trends and data quality issues.

AI Data Trainer at Outlier AI

March 1, 2024 - August 1, 2024

Created and evaluated multilingual prompts and responses to improve LLM accuracy, fluency, and cultural alignment. Conducted QA reviews of prompt–response pairs, identifying factual, linguistic, and instruction-following issues. Logged annotation outcomes and reviewer feedback in Google Sheets to support iterative model improvement.

Cloud Engineer Intern at Inflexionpoint Technologies

August 1, 2023 - October 1, 2023

Built and deployed scalable machine learning pipelines on AWS and Google Cloud using Docker and Kubernetes.

Teaching Assistant (TA) at Independent University, Bangladesh

February 1, 2021 - August 1, 2022

Mentored 200+ undergraduate students in programming and data structures, supporting coursework in algorithms and software development.

Residential Associate at BHRAGS Alliance Inc.

November 1, 2025 - Present

Supported day-to-day operations in a regulated residential environment while maintaining compliance and documentation standards.