Joachin A.

Key Skills

Software

Other

Top Subject Matter

Client data curation for analytics (multi-domain business functions)

Educational data management and reporting (enrollment/performance/completion metrics)

Top Data Types

No data types listed

Top Task Types

Data Collection

Freelancer Overview

Freelance Data Analyst (Remote) — Data Extraction, Transformation & ETL for 10+ clients. Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Engineering, Enugu State University of Science and Technology (ESUT). AI-training focus includes data types such as Computer Code and Programming and labeling workflows including Data Collection.

Labeling Experience

Data Analyst — Digital Dreams ICT Academy (Enugu, Nigeria) — ETL & Data Management with Power BI reporting

OtherData Collection

Data Analyst role focused on extracting, cleaning, transforming, and validating student data from information systems for educational reporting. The work includes ETL processes and systematic quality checks to ensure data accuracy and integrity for enrollment and learning metrics. Outputs are delivered through Power BI dashboards and analytics supporting program planning and improvement decisions. • Extract and validate student information using SQL and Python. • Build ETL processes tracking enrollment, performance, and completion for 500+ students. • Conduct exploratory analysis to identify trends, patterns, risks, and opportunities in digital literacy programs. • Create Power BI dashboards and automated reporting workflows using Advanced Excel to reduce manual effort.

2023 - Present

Freelance Data Analyst (Remote) — Data Extraction, Transformation & ETL for 10+ clients

OtherData Collection

Freelance Data Analyst supporting 10+ client engagements by extracting, cleaning, transforming, and validating datasets used for reporting and analytics. While not described as model annotation, the work includes systematic data preparation that functions as dataset curation for downstream analytical/ML uses. The role emphasizes maintaining accuracy, consistency, and integrity through validation and ETL quality checks. • Extract and validate client datasets using SQL, Python, and Excel. • Design and maintain ETL pipelines to prepare analysis-ready data. • Perform exploratory data analysis to support trend and risk identification. • Deliver actionable insights through reports and dashboards for operational and strategic decisions.

2023 - Present

Education

Work History