Blessing U.

Key Skills

Software

Label Studio

Appen

Top Subject Matter

Technology - Artificial Intelligence & Machine Learning

Media & Communications - Audio Transcription & Speech Recognition

Business Services - Data Analysis & Quality Assurance

Top Data Types

Audio

Text

Top Task Types

Transcription

Text Generation

Freelancer Overview

I have over 5 years of experience in data annotation, AI training data, content evaluation, and machine learning support. My expertise includes labeling text, image, audio, and video datasets, evaluating AI-generated responses, conducting quality assurance reviews, and supporting NLP, prompt engineering, transcription, content moderation, and LLM evaluation projects. What sets me apart is my strong technical background in Software Engineering, AI/Machine Learning, and Data Analysis. I am skilled in Python, RLHF, Hugging Face Transformers, LangChain, and RAG systems, enabling me to deliver high-quality training data and contribute effectively to AI model evaluation and improvement.

Labeling Experience

AI & Machine Learning Expert

AudioTranscription

Worked on large scale AI training datasets consisting of thousands of audio recordings across conversational AI and speech recognition projects. Performed transcription, speaker identification, timestamping, and audio labeling tasks to support machine learning model training and evaluation. Adhered to strict annotation guidelines, quality assurance procedures, accuracy targets, and consistency checks to ensure high quality training data and reliable project outcomes.

2023 - Present

Education

Work History