Open to opportunities

john mwai

@johnmwai1

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Seasoned data professional specializing in machine learning and analytics.

Kenya

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What I'm looking for

I seek a role that fosters innovation, collaboration, and continuous learning.

I am a seasoned data professional with over 8 years of experience in leveraging data-driven solutions to solve complex business challenges. Currently, I serve as a Machine Learning Developer at the Kenya Revenue Authority (KRA), where I lead the development and deployment of predictive models to enhance tax compliance and revenue collection. My expertise lies in transforming raw data into actionable insights through end-to-end data workflows, combining deep technical proficiency with a strategic understanding of business needs.

Throughout my career, I have successfully designed and deployed advanced machine learning models and scalable ETL pipelines. My key projects include developing a profiling model to detect tax evasion and fraud, as well as creating user-friendly reports and dashboards using BI tools like Power BI and Oracle Analytical Server. I am passionate about harnessing data to drive innovation and close revenue leakages, and I am eager to contribute my expertise to a dynamic data science role.

Experience

Work history, roles, and key accomplishments

Current

Machine Learning Developer

Current

Kenya Revenue Authority

Jul 2021 - Present (4 years)

Led the development and deployment of predictive models to enhance tax compliance and revenue collection. Designed and developed data models, data warehouses, and databases to organize and structure data for reporting and analysis.

Machine Learning Python SQL Power BI ETL Data Modeling Predictive Analysis Data Visualization

Business Analyst

Kenya Revenue Authority

Jul 2019 - Jun 2021 (1 year 11 months)

Evaluated business processes, gathered requirements, and recommended solutions for improvements. Acted as a bridge between business users and developers, coordinating business process reviews and documenting agreements.

Business Analysis Requirements Gathering Process Reviews Data Analysis Critical Thinking Documentation

Officer Data Cleaning

Kenya Revenue Authority

Apr 2018 - Jun 2019 (1 year 2 months)

Analyzed taxpayer biodata and PINs to ensure compliance with registration requirements and identify inconsistencies. Flagged dormant PINs and erroneous obligations to ensure legal compliance and data accuracy.

Data Analysis Data Cleaning Compliance Data Migration Legacy Data Analysis Database Management Data Validation Problem Solving Reporting

Data Analyst

Bemwaki Limited

Jan 2017 - Mar 2018 (1 year 2 months)

Prepared and maintained financial records including impress registers, petty cash books, and bank reconciliation statements. Conducted market research to identify new investment opportunities and expansions.

Data Analysis Financial Reporting Market Research Petty Cash Bank Reconciliation Payment Processing Supplier Management Fraud Prevention

Education

Degrees, certifications, and relevant coursework

KESRA

Advanced Data Science and Analytics, Data Science and Analytics

Completed an advanced program focusing on data science and analytics. This program enhanced skills in complex data analysis and strategic decision-making.

KESRA

Advanced Data Analytics, Data Analytics

Acquired advanced skills in data analytics, including proficiency in SQL, R, and Power BI. This training focused on practical application of data tools for business intelligence.

Oracle

Data Science, Data Science

Undertook training in data science, gaining foundational knowledge and practical skills. This program covered key concepts and methodologies in data science.

Oracle

Data Analytics, Data Analytics

Completed a program focused on data analytics, enhancing skills in data interpretation and reporting. This training provided practical experience with data analysis tools.

Oracle

Oracle Cloud Infrastructure, Cloud Computing

Gained expertise in Oracle Cloud Infrastructure, focusing on cloud computing services and deployment. This training provided hands-on experience with OCI platforms.

KESRA

Advanced Data Analytics and Analysis Tools, Data Analytics

Developed advanced proficiency in data analytics and analysis tools, including SQL, R, Python, and Advanced Excel. This program focused on comprehensive data manipulation and reporting.

Udemy (online)

Python Boot Camp, Programming

Completed an intensive Python boot camp, gaining practical programming skills. This course focused on fundamental Python concepts and their application in data analysis.

KESRA

Advanced Excel, Data Analysis

Acquired advanced skills in Microsoft Excel, focusing on complex data analysis and reporting. This training enhanced proficiency in spreadsheet management and data visualization.

University of Nairobi

Bachelor of Arts, Economics & Sociology

Studied Economics and Sociology, gaining a comprehensive understanding of economic principles and societal structures. This program developed strong analytical and research skills.

Unknown

Certificate in Computer Proficiency, Computer Proficiency

Obtained a certificate in computer proficiency, covering essential computer skills and software applications. This certification provided foundational knowledge in computing.