Summary
Overview
Work History
Education
Skills
Certification
Languages
Timeline
Generic

IZUCHUKWU DARA

Boston

Summary

Innovative technology professional with several years of diverse experience. Skilled in enhancing systems and aligning technical solutions with business objectives. Proven success in leading projects from start to finish and contributing to organizational growth and success.

Overview

10
10
years of professional experience
1
1
Certification

Work History

Freelance Annotator

APPEN
06.2020 - 03.2025
  • Verified the accuracy and clarity of text-to-list transformations to ensure logical structure and content fidelity.
  • Proofread language content to identify and correct grammatical, idiomatic, and stylistic issues.
  • Evaluated tone-adjusted rewrites to ensure alignment with predefined stylistic presets without altering intended meaning.
  • Reviewed AI-generated questionnaires for contextual relevance and information-gathering effectiveness.
  • Assessed the completeness, tone, and factual alignment of long-form email replies generated from user prompts.
  • Compared and rated AI-generated email replies based on compliance with selected snippets and supplemental user input.
  • Transformed unstructured text into well-organized tables with clear headers and data coherence.
  • Reviewed assistant-generated message responses for clarity, brevity, and appropriateness within conversational threads.
  • Validated rewrites for improved fluency, clarity, and structure while preserving the original meaning.
  • Identified and flagged harmful, offensive, or inappropriate content in both user inputs and AI outputs.
  • Participated in quality control processes to ensure consistency and accuracy across annotation tasks.
  • Documented anomalies such as hallucinated content or deviations from provided instructions.
  • Inferred and evaluated implicit instructions within user prompts to ensure accurate interpretation by the assistant.
  • Assessed translation quality and naturalness in language rewrites based on established guidelines.

Annotator

Hitech BPO
01.2015 - 02.2020
  • Classified social media posts into positive, negative, or neutral sentiments for AI moderation tools.
  • Flagged inappropriate content based on predefined guidelines (hate speech, spam, etc.).
  • Identified predicate-argument structures in sentences to improve AI understanding of language context.
  • Evaluated audio clarity, background noise, and speaker authenticity for voice recognition datasets.
  • Ranked search engine results based on relevance to user queries for AI search algorithms.
  • Annotated conversational datasets to improve chatbot responses (e.g., tagging user intents and bot replies).
  • Removed duplicates, corrected typos, and standardized formats in large text datasets.
  • Labeled geographic data points (e.g., landmarks, streets) for mapping and navigation AI.
  • Annotated medical reports for symptom extraction and diagnosis prediction models.
  • Generated and synchronized subtitles for training video-understanding AI.
  • Rewrote complex sentences into simpler versions for readability AI tools.
  • Gathered and annotated niche datasets (e.g., rare language samples, specialized terminologies).
  • Verified claims in news articles for AI fact-checking systems.
  • Categorized product listings by attributes (color, size, brand) for recommendation algorithms.
  • Highlighted key clauses in contracts for legal AI parsing tools.
  • Tracked and labeled user interaction patterns for UX/UI improvement models.
  • Audited annotated datasets for consistency, accuracy, and adherence to guidelines.

Education

M.Sc. - Computer Science & Artificial Intelligence

University of California
California, United States
03.2020

B.Sc. - Data Analytics

University of Texas
Texas, United States
06.2014

Skills

  • Advanced proficiency
  • Proficient in image and video labeling with CVAT
  • Amazon SageMaker expertise
  • Skilled in Python development
  • SQL data analysis
  • Experienced with TensorFlow framework
  • Experience with Hugging Face Transformers
  • NLP expertise
  • Proficient in NER techniques
  • Text sentiment evaluation
  • Visual data processing
  • Real-time object detection
  • Medical imaging expertise

Certification

  • Google Cloud Certified - AI/ML Specialist, 05/23
  • Deep Learning Specialization, 01/21
  • Certified Information Systems Security Professional (CISSP), 01/20

Languages

English
Bilingual or Proficient (C2)
Spanish
Bilingual or Proficient (C2)

Timeline

Freelance Annotator

APPEN
06.2020 - 03.2025

Annotator

Hitech BPO
01.2015 - 02.2020

M.Sc. - Computer Science & Artificial Intelligence

University of California

B.Sc. - Data Analytics

University of Texas
IZUCHUKWU DARA