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Samuel Duah Boadi

@samuelboadi

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Data Analyst who turns messy data into clean datasets, insights, and decision-ready dashboards.

Ghana

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What I'm looking for

I’m looking for a role where I can build trustworthy data models, clean messy datasets, and deliver clear analytics and dashboards that help management make better decisions.

I’m a Data Analyst Engineer at the Ghana Immigration Service, where I develop robust data models, ensure data quality, and transform travellers’ raw data into clean, reliable, well-defined datasets. I perform statistical analysis to identify trends and answer the questions that matter to leadership.

Before this, I served as a Staff Officer and earlier worked as a Data Analyst at OISL Limited. I gathered data from ATMs, POS devices, and other online banking transactions using SQL, then prepared electronic banking reports and dashboards using Excel and Power BI.

I build my analytics workflow around Python, SQL, Tableau, Power BI, and R, backed by ALX-T Data Analyst training, Udacity projects, and the Google Data Analyst Professional Certificate. Through projects like TMDb Movie Data Investigation, Dog Image Classifier, Prosper Loan Data Exploration, and bike-share analysis, I’m consistently focused on turning complex data into clear, decision-ready insights.

Experience

Work history, roles, and key accomplishments

Current

Data Analyst Engineer

Current

Ghana Immigration Service

Aug 2025 - Present (10 months)

Developing robust data models while ensuring data quality. Transforming travellers’ raw data into clean datasets, analyzing trends, and creating visualizations to support management decisions.

Data Modeling Data Quality data transformation Data Cleaning Statistical Analysis Data Visualization Reporting

District Commander

Ghana Immigration Service

Jun 2020 - Jul 2025 (5 years 1 month)

Led district operations and coordinated contractor support for the new District Office. Established and facilitated the furnishing of the new District Office by managing contractor engagement.

Stakeholder Management Decision Support Project Coordination Documentation

Speech Collection Contractor

PacteraEDGE OneForma

Apr 2021 - Apr 2022 (1 year)

Performed speech collection and audio evaluation for AI software. Designed practical form templates to support data collection workflows.

Audio Evaluation Data Labeling Forms Quality Assurance Documentation Remote Work Support

Staff Officer

Ghana Immigration Service

Dec 2016 - Jun 2020 (3 years 6 months)

Generated travellers data and used Microsoft Excel to analyze and support reporting needs. Ensured analytical outputs were prepared for internal review and decision-making.

Microsoft Excel Data Analysis Data Generation Data Processing Reporting Trend Analysis

Data Analyst

OISL Limited

Aug 2016 - Nov 2016 (3 months)

Used SQL to gather ATM, POS, and online banking transaction data for analysis. Produced electronic banking reports and dashboards using Excel and Power BI.

SQL Data Extraction Data Aggregation Transaction analysis Excel Power BI Reporting Dashboarding

Education

Degrees, certifications, and relevant coursework

Kwame Nkrumah University of Science and Technology

Bachelor of Science, Mathematics

2011 - 2015

Activities and societies: Estimation of pharmacokinetics model parameters using MATLAB.

Earned a BSc in Mathematics from KNUST and completed a project estimating pharmacokinetics model parameters using MATLAB.

Google

Google Data Analytics Professional Certificate, Data Analytics

2022 -

Activities and societies: How Does a Bike-Share Navigate Speedy Success? (project).

Developed in-demand data analytics skills using spreadsheets, SQL, Tableau, and R, culminating in the 'How Does a Bike-Share Navigate Speedy Success?' project.

Udacity (ALX-T Data Analyst)

Data Analyst, Data Analytics

2022 -

Activities and societies: Prosper Loan Data Exploration (Python and SQL).

Completed the ALX-T Data Analyst program with Udacity, using Python and SQL to explore messy datasets, extract insights, and produce data-driven solutions, including a Prosper Loan Data Exploration project.