Blessed James A.

Key Skills

Software

Labelbox

Other

Micro1

Mercor

Top Subject Matter

Decentralized Finance (DeFi) Operations

Video/Image Dataset Preparation and AI Training

AI-Assisted Video Animation and Multimedia Production

Top Data Types

Video

Image

Text

Audio

Top Task Types

Bounding Box

Data Collection

Transcription

Action Recognition

Fine-tuning

Segmentation

Freelancer Overview

AI Training Specialist – NovaMind Technologies (Remote). Brings 8+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal, Proprietary Tooling, and Other. AI-training focus includes data types such as Video, Text, and Audio and labeling workflows including Action Recognition, Evaluation, and Rating.

Labeling Experience

Data Annotation

OtherImageObject DetectionSegmentation

Worked on AI training data and data annotation projects focused on computer vision tasks such as object detection, semantic segmentation, and action recognition. Responsibilities included labeling images and video frames using bounding boxes, polygons, and keypoints for pose estimation, while ensuring high accuracy and consistency. Also supported quality assurance by reviewing annotations, identifying errors, and helping improve annotation guidelines for better dataset quality.

2025 - 2025

Quality Assurance & Task Evaluation (2023–2025)

Text

Performed ongoing quality assurance and task evaluation to ensure labeling and dataset outputs met rubric-based standards. Wrote clear labeling instructions, documented tricky edge cases, and improved team workflows to reduce confusion. Produced clean, reliable datasets that supported better model performance. • QA using grading rubrics, audits, and performance reports • Authored labeling instructions and documented edge cases • Improved workflows to increase consistency and accuracy • Produced dataset-ready outputs for model training

2023 - 2025

Transcription (Audio & Video) – 1 Year

AudioTranscription

Managed transcription projects for underrepresented dialects under challenging audio conditions including background noise and low-quality recordings. Applied structured multi-pass review workflows, including initial transcription, peer review, and QA. Performed text normalization, punctuation formatting, and disfluency annotation while preserving alternative linguistic forms for language modeling. • Multi-pass transcription with peer review and QA • Normalization, punctuation formatting, and disfluency tagging • Preserved alternative linguistic forms for modeling • Produced accurate text corpora from noisy audio/video

2024 - 2024

Data Annotation (Audio, Video, Image, Text) – 3+ Years

AudioFine-tuning

Specialized in preparing datasets for speech recognition and noise-robust modeling using detailed audio segmentation and tagging. Marked speaker changes and tagged non-speech events to improve training data quality. Maintained consistent labeling across call-center logs, interviews, podcasts, and field recordings using accuracy-focused workflows. • Audio segmentation and speaker-change marking • Tagging non-speech events for speech modeling • Consistent audio labeling across multiple source types • Accuracy-focused workflows for reliable training datasets

2021 - 2024

Education

Work History