Ifeyinwa Felix

Key Skills

Software

Label Studio

Telus

Appen

Top Subject Matter

Speech recognition

sentiment analysis

Ner Domain Expertise

Top Data Types

Audio

Image

Text

Top Task Types

Entity (NER) Classification

Segmentation

Classification

Freelancer Overview

Senior Data Annotator (NLP & CV) at Defined.ai. Brings 11+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Label Studio, Telus, and Appen. Education includes Bachelor of Science, New York University (2018) and Postgraduate Certificate, New York University (2021). AI-training focus includes data types such as Audio, Image, and Text and labeling workflows including Entity (NER) Classification, Segmentation, and Classification.

Labeling Experience

Senior Data Annotator (NLP & CV) at Defined.ai

Label StudioAudioEntity Ner Classification

I annotated large-scale English speech datasets for AI models focused on speech recognition, sentiment analysis, and named entity recognition. My responsibilities included quality review for data consistency and supervising junior annotators. I interacted with global clients to ensure project objectives met the highest industry standards. • Labeled data for speech recognition and NER tasks • Reviewed and managed datasets for quality assurance • Used annotation tools including Label Studio and Prodigy • Worked directly with clients such as Microsoft and Amazon

I annotated large-scale English speech datasets for AI models focused on speech recognition, sentiment analysis, and named entity recognition. My responsibilities included quality review for data consistency and supervising junior annotators. I interacted with global clients to ensure project objectives met the highest industry standards. • Labeled data for speech recognition and NER tasks • Reviewed and managed datasets for quality assurance • Used annotation tools including Label Studio and Prodigy • Worked directly with clients such as Microsoft and Amazon

2023 - 2024

Data Rater / Annotator at TELUS International AI

TelusImageSegmentation

I labeled images and videos for computer vision projects targeting object detection and segmentation. My role involved providing feedback to improve model accuracy and participating in continuous evaluation cycles. I also annotated search engine results and cataloged user intent classifications for multiple data-driven projects. • Handled large volumes of images and video data • Applied segmentation labels for CV training • Provided model training feedback and evaluation • Annotated search engine intent and relevance

I labeled images and videos for computer vision projects targeting object detection and segmentation. My role involved providing feedback to improve model accuracy and participating in continuous evaluation cycles. I also annotated search engine results and cataloged user intent classifications for multiple data-driven projects. • Handled large volumes of images and video data • Applied segmentation labels for CV training • Provided model training feedback and evaluation • Annotated search engine intent and relevance

2021 - 2022

Freelance Linguistic Annotator at Appen

AppenTextClassification

I worked on linguistic annotation including text classification, translation alignment, and corpus tagging. My contributions supported projects in conversational AI and voice assistant technologies. I strictly adhered to data privacy standards across all assignments. • Classified and tagged diverse text corpora • Managed translation alignment processes • Provided support for voice assistant model development • Ensured compliance with privacy and security guidelines

I worked on linguistic annotation including text classification, translation alignment, and corpus tagging. My contributions supported projects in conversational AI and voice assistant technologies. I strictly adhered to data privacy standards across all assignments. • Classified and tagged diverse text corpora • Managed translation alignment processes • Provided support for voice assistant model development • Ensured compliance with privacy and security guidelines

2020 - 2020

Education

Work History