Summary
Overview
Work history
Education
Skills
Custom
Timeline
Generic

Geoffrey Nganga

Coventry

Summary

4+ Years experienced Data Annotation Specialist who provides optimum labeling services in the domains of computer vision and machine learning. I have annotation specialization with the use of bounding box annotation, polygon segmentation, as well as key point annotation. My background boasts of my ability to annotate millions of images and videos for our international clients and other leading technology companies.

Overview

14
14
years of professional experience
4
4
years of post-secondary education

Work history

Data Annotator

Remotask and Appen
Denver
01.2022 - 01.2025
  • Accomplished intensive performance of image and video annotation at high rates.
  • Met and sustained above 95% accuracy levels.
  • The annotation specifically focuses on automotive and street scene annotations projects.
  • Involved in quality assurance work and in enhancement of guidelines.
  • Carried out multifarious annotation tasks in various fields.
  • Studied through individual project training and certification.
  • Sustained quality scores more than the required 90% for the organization.
  • Helped manage and support large scale annotation projects for teams around the world.

Data Annotation Specialist

Fiverr & Upwork
02.2015 - 11.2021
  • Proactively delivered over 200 projects for international clients.
  • Retained 98% client satisfaction rate cutting across social networks.
  • Focused towards working on difficult annotation jobs which include but are not limited to medical image annotation and self-driving car data set to suits various clients and their needs and their annotation preferences.

Data Annotator

CodeBerry Solutions
Sanford
01.2013 - 12.2014
  • Supervise complex data annotation tasks involving several methods of annotation for computer vision tasks.
  • Check for quality standards of the annotated images and videos we provide.
  • Work with the inferences of ML teams and the subsequent guidance and means of annotating.
  • Educate new entries to the team on HL7 standard processes and quality assurance measures.

Machine Learning Intern

Cloudfruit LLC
Raleigh
11.2010 - 12.2012
  • Helped to build and deploy machine learning models.
  • Data cleaning and feature extraction have been completed.
  • Worked with senior ML engineers in model tuning.
  • Assisted in preparing documentation of the performance statistics of the model developed.

Education

Bachelor of Arts -

Coventry University
04.2022 - 09.2024

MS - Data Science and Analysis

University of Colorado
09.2008 - 05.2010

Skills

  • Attention to detail
  • Ability to Multitask
  • Interpersonal Skills
  • Highly organized
  • Machine Learning
  • Bounding Box Annotation
  • Keypoint Annotation
  • Image Classification and Categorization
  • Semantic Segmentation (Masks)
  • CV/Text Annotation
  • Polygon Annotation
  • OCR
  • Robofow
  • Super Annotate
  • CVAT
  • LABELBOX
  • Supervisely
  • LabelMe
  • Label Studio
  • QuPath

Custom

  • Proven Track Record: I have successfully handled and annotated millions of images for over 200 projects with 98 percent of customers who are satisfied.
  • Technical Versatility: 4+ years of annotation expertise and experience in 8+ annotation tools and all the popular data formats for easy plugin with current workflows.
  • Quality Assurance: Keep high accuracy higher than 95% as common standard across all classifications as well as other more detailed types of annotations.
  • Industry Experience: Tackle a wide range of industries including, auto-mobile self-driving cars, medical imaging, retail and surveillance.
  • Scalability: This includes proven capacity to work on numerous compounds without sacrificing quality, annotating up to one thousand images on a daily basis.
  • Problem-Solving: Successful history of streamlining the tasks that are associated with annotations as well as decreasing the time for project's completion by a third.
  • Communication: High level of interpersonal communication with international customers and team members to develop increased comprehension of project specifications.

Timeline

Bachelor of Arts -

Coventry University
04.2022 - 09.2024

Data Annotator

Remotask and Appen
01.2022 - 01.2025

Data Annotation Specialist

Fiverr & Upwork
02.2015 - 11.2021

Data Annotator

CodeBerry Solutions
01.2013 - 12.2014

Machine Learning Intern

Cloudfruit LLC
11.2010 - 12.2012

MS - Data Science and Analysis

University of Colorado
09.2008 - 05.2010
Geoffrey Nganga