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Resume

Experience

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2022 - Present

Data Analyst

Freelance

  • Analysed a large dataset of 12,411 students and built predictive models using Random Forest, Decision Trees and Linear Regression to predict students’ academic performance in a Columbian university.

  • Achieved a 98% accuracy rate in forecasting energy consumption and carbon emission levels for 176 countries using machine learning, providing valuable insights for global sustainability strategies.

  • Utilised Python and Tableau to analyse e-commerce sales data, resulting in the identification of cost-saving strategies that potentially saved $18,000 in losses. 

  • Conducted an in-depth segmentation of Maven Telecom’s customer base using SQL, deriving actionable insights that translated to a 25% increase in customer retention

  • Designed a relational database for an online delivery company using SQL and implemented it to support their business processes.

  • Extracted, cleaned and transformed over 5,000 airline reviews using python, identifying critical passenger satisfaction trends

2020-2022

Technical Support Specialist

Keystone Bank

  • Investigated customer feedback using Excel and implemented process improvements, reducing overall complaints by 15%. 

  • Conducted thorough cleaning and validation of existing databases, resulting in an 85% reduction in reporting errors.

  • Diagnosed and resolved technical issues for over 50 customers per day via email, phone, and live chat, maintaining a 95% customer satisfaction rating.

  • Mentored junior support specialists leading to a 30% improvement in their average query resolution times and a 20% increase in customer satisfaction ratings.

  • Managed and updated over 20,000 customers’ records within the CRM database for seamless workflow between support specialists.

2018 - 2020

Data Analyst

Access Bank

  • Automated and maintained daily performance dashboards using Tableau, ensuring data accuracy and compliance with internal data governance policies, saving 15 hours per week of manual reporting work.

  • Collaborated with cross-functional stakeholders to understand critical business needs, gather requirements and provide analytical support, resulting in a 15% reduction in project timelines.

  • Executed data validation and quality assurance procedures on existing databases, reducing reporting errors by 75%.

  • Presented 50+ comprehensive reports, summarising insights and recommendations to support business decision-making.

  • Conducted extensive market research and analysis, resulting in the identification of key trends that informed strategic decisions.
     

Education

2023 - 2024

Northumbria University, UK

MSc Big Data and Data Science 

(Distinction)

  • Courses: Applied Data Science, Machine Learning, Big Data Analytics, Data Governance

2016 - 2018

University of Warwick, UK

MSc Financial Economics

​

  • Courses: Economic Analysis, Quantitative Methods, Econometrics, Behavioural Economics, Economics of Financial Markets

2013 - 2016

Aston University, UK

BSc International Business and Economics ; 2:1

  • Courses: IT in Business, Business Analytics, Microeconomics, Macroeconomics, Econometrics

2022

Google Data Analytics Professional Certificate 

  • Courses: R Programming, SQL, Google Sheets, Tableau

Technical Skills

Data Analysis Tools

Python, SQL, SPSS, R,

MS Excel                                       

Data Visualisation Tools:  Tableau, MS Excel, Figma                                         

 Other Tools: MS Office (Word,     Excel,  PowerPoint, Outlook)

Languages

English (native)

French (Basic)

© 2024 by Kelechi Uzoukwu.

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