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Kingsley Benjamin Obi

Senior Data Analyst (Data Annotation & Quality Assurance Focus)

ESTONIA flag
luxenbourg, Estonia
$15.00/hrExpertSuperannotateV7 LabsLabelbox

Key Skills

Software

SuperAnnotateSuperAnnotate
V7 LabsV7 Labs
LabelboxLabelbox

Top Subject Matter

Banking Data
Economic Data
Government Finance

Top Data Types

TextText
DocumentDocument
VideoVideo

Top Task Types

Classification
Text Summarization
RLHF

Freelancer Overview

Senior Data Analyst (Data Annotation & Quality Assurance Focus). Core strengths include Internal and Proprietary Tooling. Education includes Bachelor of Science, University of Port Harcourt (2018). AI-training focus includes data types such as Text and labeling workflows including Classification.

ExpertEnglish

Labeling Experience

Senior Data Analyst (Data Annotation & Quality Assurance Focus)

TextClassification
In this role, I reviewed and annotated large-scale banking datasets for accuracy and quality. I conducted data validation, classified entries, and flagged inconsistencies to support operational efficiency and compliance. I utilized SQL, Python, and BI tools to deliver annotated insights to stakeholders and automate annotation workflows. • Annotated and classified banking and economic data, identifying trends and anomalies. • Performed detailed validation and flagging for risk assessment and compliance. • Designed dashboards to communicate annotated findings to stakeholders. • Automated ETL and annotation processes, enhancing data quality and integrity.

In this role, I reviewed and annotated large-scale banking datasets for accuracy and quality. I conducted data validation, classified entries, and flagged inconsistencies to support operational efficiency and compliance. I utilized SQL, Python, and BI tools to deliver annotated insights to stakeholders and automate annotation workflows. • Annotated and classified banking and economic data, identifying trends and anomalies. • Performed detailed validation and flagging for risk assessment and compliance. • Designed dashboards to communicate annotated findings to stakeholders. • Automated ETL and annotation processes, enhancing data quality and integrity.

2023 - Present

Data Analyst (Data Validation & Insight Annotation)

TextClassification
As a Data Analyst, I executed advanced data mining, validation, and annotation tasks on transactional and economic datasets. I led data quality initiatives focused on cleansing, validating, and annotating campaign and digital banking data. I presented annotated findings in reports and visualizations for strategic planning and compliance. • Validated and classified transactional datasets using Excel and R. • Annotated A/B testing results to inform campaign strategies. • Built annotated reports for stakeholders using Power BI and Tableau. • Troubleshot data discrepancies to ensure accuracy for regulatory purposes.

As a Data Analyst, I executed advanced data mining, validation, and annotation tasks on transactional and economic datasets. I led data quality initiatives focused on cleansing, validating, and annotating campaign and digital banking data. I presented annotated findings in reports and visualizations for strategic planning and compliance. • Validated and classified transactional datasets using Excel and R. • Annotated A/B testing results to inform campaign strategies. • Built annotated reports for stakeholders using Power BI and Tableau. • Troubleshot data discrepancies to ensure accuracy for regulatory purposes.

2020 - 2022

Junior Data Analyst / Economic Research Assistant (Data Review & Annotation)

TextClassification
I reviewed and annotated large fiscal and economic datasets to identify key insights and cost-saving opportunities. My annotations supported transparency, quality, and timely reporting in budget decision processes. I conducted statistical reviews for accuracy, resolving inconsistencies and ensuring high-quality annotated outputs. • Analyzed and annotated government fiscal data for budget optimization. • Created visual summaries and annotated reports for stakeholders. • Streamlined workflows through detailed annotation and logical review. • Performed fact-checking and inconsistency resolution for policy briefs.

I reviewed and annotated large fiscal and economic datasets to identify key insights and cost-saving opportunities. My annotations supported transparency, quality, and timely reporting in budget decision processes. I conducted statistical reviews for accuracy, resolving inconsistencies and ensuring high-quality annotated outputs. • Analyzed and annotated government fiscal data for budget optimization. • Created visual summaries and annotated reports for stakeholders. • Streamlined workflows through detailed annotation and logical review. • Performed fact-checking and inconsistency resolution for policy briefs.

2018 - 2020

Education

U

University of Port Harcourt

Bachelor of Science, Economics

Bachelor of Science
2015 - 2018

Work History

O

outlier.ai

Generative Role(English content writer)

Colorado
2025 - Present