Rahayu Widiastuti

+628********* I ady7ji@r.postjobfree.com I Batam, Indonesia

LinkedIn I Portfolio

About Me

Aspiring Data Analyst with 2 years experience in Healthcare Industry. Currently working as a Dentist who handles patients/customers with many different personalities to solve their problem, and dealing with various regulations. I learned how to efficiently communicate the goals, analyze multiple cases and make decisions when it comes to prioritising the problem.

Recently completed Data Analytics Bootcamp from RevoU and now equipped with SQL, Python, Excel, Data Visualization Tools (Tableau, Looker Studio), as well as being a good communicator, critical thinking and management project.

Skills

Programming Language : SQL (Bigquery), Python (Numpy, Pandas, Matplotlib) Visualization Tools : Tableau, Looker Studio

Data Analysis : Exploratory Data Analysis (EDA), Descriptive Statistics, Correlation Analysis, Clustering Analysis, Churn Analysis, RFM, Forecasting, Regression Analysis, Cohort Analysis Other Tools : Excel/Spreadsheet, Notion

Soft Skills : Data Analysis, Data Communication, Critical Thinking, Decision Making, Grit Data Analytics Projects

● Fintech End to End Analysis

- Data cleaning and exploration of Fintech report from 2020 - 2023

- Make Analysis of application funnel, marketing campaign traceback, and correlation using Python and SQL

- Generate an interactive dashboard using Tableau

● Food Demand Forecasting

- Clean data, explorate descriptive statistics of World Food Demand from 2010 - 2020 for mitigation food crisis report

- Forecast food demand on each country with panel data regression using Python and SQL

● Clothing Business Performance

- Clean and explorate Clothing Line Ecommerce report

- Analyze lowest growth product and make cohort analysis on customer retention performance to boost initiative strategy on application using SQL and spreadsheet

● Investment Startup Analysis

- Clean and explorate of Investment startup by their multiple type of mutual funds report

- Make recommendation for thematic campaign based on user preference after did clustering on user segmentation to boost sales used Python (with Elbow and Silhouette method)

- Analyze correlation of factors that affect user transaction with Python

- Do Logistic Regression to predict customer churn with Python

● Profit and Sales Ecommerce Analysis

- RevoU Group project of a worldwide B2C eCommerce who wants to enlarge their market sector

- Preparation and cleaning supply chain data from 2014-2018 using Python

- Make Strategic dashboard to report causes of decreased demand order and user purchased by different dimension

(time, category product, place) using Tableau

● Ecommerce Dashboard

- Import, blend and join all dataset from Samba Ecommerce

- Calculate and visualize the metrics needed with Looker and Tableau for CEO and Executive User Working Experiences

[Data Analyst Associate Freelance], [Revou] (June 2023 – Present)

● Execute hands on tech startup project as part of Revou Data Analytics

● Responsible to execute analysis such as feature adoption and prioritization analysis, customer segmentation and churn analysis, and KPI dashboard monitoring using Python, SQL, and Tableau

● Managed to run a self data project in 2 weeks with satisfactory result under the supervision of Mrs. Nurul Hidayah Jamil as Senior Business Intelligence at Tiket.com

● Manage 4 different analysis in 2 months and had satisfactory result from Mr. Haniff Alkaff as Head of Data Governance

& Analytics at AIA Indonesia who is taking role as expert in the program

[Dentist], [Kemina Dental Care] (March 2022 – July 2023)

● Execute dental clinical practitioner such as dental education, restorative dentistry, endodontics, periodontics, and other general practitioner clinician scope

● Responsible to make prioritization of patient’s treatment planning, do the treatment, and monitoring their oral health periodically

[Dentist], [Alam Sehat] (Sept 2021 – April 2022)

● Clinician Dentist on Public Healthcare provided by Government

● Increased public oral hygiene status by clinical practitioner and make health report to know prioritize dental problem to solve

Educational Background

[Revou Data Analytics Program]

Achievement : Python and Data Visualization Competition Winner (January 2023 – April 2023) Grade: 94.2%

[Gadjah Mada University]

Bachelor and Profession of Dentistry (July 2014 – February 2021) GPA: 3.61 out of 4.00

Organization Experiences

[Volunteer], [Hope Worldwide] (January 2023 – August 2023)

● Responsible for teaching students from multiple age suited by their mental development

● Organize project for charity with quantity scale over 150 childrens Certification: 1. [Full Stack Data Analytics], [Issued by RevoU] (April 2023)

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