Onyeka Obidike

Experience

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  Charleson Telecommunications

  Jan 2018 - Jan 2019

  Sales Representative

  ● Liaised with customers and dealer network to answer and resolve queries.● Identified and researched potential leads and opportunities for business growth.● Evaluated competitors’ activities and developed appropriate responses.● Developed sales processes, sales and pricing strategies for sales team to penetrate new and existing markets.

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  National Youth Service Corps

  Mar 2019 - Mar 2020

  Statistical Analyst at the Office of Auditor-General of Delta State

  ● Interpreted financial data and analysed results using statistical and analytical techniques.● Played a key role in building, maintaining and improving the delivery of high-quality reports and dashboards to key stakeholders across the organisation.● Acquired data from primary and secondary data sources and maintained database.● Identified, analysed, and interpreted trends or patterns in complex data sets.● Presented data and insight in a meaningful and compelling way to answer wide-ranging business briefs. Show less

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  Fiverr

  Aug 2020 - Oct 2021

  Freelance Data Analyst

  ● Built and published effective business intelligence solutions and analytical visualisations for end users in Tableau.● Developed and implemented databases, data collection systems, data analytics and other strategies that optimise data efficiency and quality● Worked closely with the rest of the client’s teams to define client insight requirements and manage pipeline of projects.

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  University of East Anglia

  Jan 2021 - Jan 2022

  MSc Candidate, Behavioural Economics and Data Science

  ● Predicted the average age of customers to buy an insurance policy and visualised how a person’s type of employment affects the purchase of insurance policy.● Trained model using Decision Tree classifier to predict whether a person will purchase travel insurance or not.● Conducted data cleaning and pre-processing activities like treating missing data, encoding the categorical variables and checking the correlation between the variables and the target variable using python● Built the baseline model and other models like decision tree, logistics regression and random forest using sci-kit learn to build the classifier ● Visualised and illustrated key insights, trends, patterns and oddities in the data using Tableau.● Collected stock market data by scraping the web using beautiful soup library in python.● Generated useful insight using seaborn data visualisation libraries and conducted EDA, data cleaning, wrangling and pre-processing using Numpy and Pandas.● Evaluated the impact of the Catholic Easter holiday on COVID infections and fatalities rates for 10 countries observing Orthodox Easter. Show less

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  Madona Consulting

  Oct 2022 - Aug 2023

  Data Analyst