Hi, I'm Raffa

Nuha Ra'ffa Raniyyah

Data Analyst

Highly motivated Data Analyst and Data Scientist with foundation in Python, SQL,

Machine Learning, and statistical analysis. Experienced in transforming operational,

supply chain, and inventory datasets into actionable insights.

Tangerang, Banten

Available Now


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Nuha Ra'ffa Raniyyah

ABOUT ME

Transforming Data into

Actionable Insights


Experienced in transforming operational, supply chain, and inventory datasets into actionable insights, supported by hands-on industry roles achieving 99% inventory accuracy, 98% on-time production scheduling, and significant stock reduction efficiencies.

Skilled in predictive modelling, time series forecasting, data visualization, and end-to-end project execution using tools such as Pandas, Scikit-Learn, Tableau, and Streamlit. Complemented by a Full Time Data Science Bootcamp at Hacktiv8 and multiple real-world projects involving web scraping, forecasting, and productivity prediction. Adept at problem-solving, data-driven decision making, and cross-functional collaboration.

What Drives Me

Data Science

Python, SQL, Machine Learning, Statistical Analysis.

Education

Bachelor of Industrial Engineering,
Hacktiv8 Data Science Bootcamp.

Experience

1.5+ years in PPIC and Warehouse Management,
Data Science Bootcamp Projects.

WORK EXPERIENCE

Professional Journey


PT Intan Safety Glass logo

PPIC Staff

PT Intan Safety Glass

Tangerang, Banten

March 2024 – July 2024
  • Managed inventory data with 99% accuracy using ABC analysis, FIFO, and buffer stock optimization
  • Analyzed historical sales data to forecast material needs, improving raw material efficiency to 97%
  • Developed production schedules ensuring 98% on-time completion
  • Performed dynamic buffer stock analysis using Google sheet and App Script for sales data over 3 years
eFishery logo

Ops & Supply Chain Upstream Staff

eFishery

Pringsewu, Lampung

June 2023 – March 2024
  • Implemented FIFO and FEFO for all SKUs, ensuring stock accuracy via daily data validation
  • Optimized warehouse layout to increase capacity from 120 to 132 pallets
  • Operated and improved WMS, TMS, and OMS, reporting bugs for enhancement
  • Generated accurate picking lists and sales orders to meet delivery schedules
PT IGP Internasional logo

Inventory Control Supervisor

PT IGP Internasional

Klaten, Jawa Tengah

May 2022 – November 2022
  • Led and improved performance of 25 employees by 40% through structured task division
  • Implemented FIFO and FEFO, reducing old stock by 50% in 4 months
  • Optimized allocation of 3M pcs of materials, reducing stored stock to 1M pcs
  • Developed a 90% more accurate inventory database, improving tracking efficiency

PROJECTS

Featured Work


A showcase of my recent data science projects demonstrating expertise in

machine learning, data analysis, and predictive modeling.

Landscape Analysis of Data Job Market in Indonesia
November 2025

Landscape Analysis of Data Job Market in Indonesia

Analyzed hiring trends for Data Analyst and Data Scientist roles using job postings scraped from Glints and Jobstreet. Performed data cleaning and EDA to identify job volume trends, location distribution, required skills, and salary patterns.

PythonSeleniumBeautifulSoupPandasTableauStreamlit
Garment Productivity Prediction System
December 2025

Garment Productivity Prediction System

Developed ML model to predict daily employee productivity using operational garment data. Conducted feature engineering, trained multiple ML models and evaluated using MAE, RMSE, and R².

PythonScikit-LearnMachine LearningStreamlit
BBCA Stock Price Prediction Using Time Series
December 2025

BBCA Stock Price Prediction Using Time Series

Built time series forecasting model for BBCA closing prices using ARIMA/SARIMA, Prophet, and LSTM. Conducted preprocessing, stationarity checks, and error evaluation using RMSE and MAPE.

PythonTime SeriesARIMAProphetLSTM

TECHNICAL SKILLS

Skills & Technologies


Programming & Analysis

PythonSQLExcel (Pivot, VBA, Solver)Google Data Studio

Data Visualization

TableauStreamlitMatplotlibSeabornKibana

Machine Learning & AI

RegressionRandom ForestDecision TreeClusteringTime SeriesNeural NetworksNLPComputer Vision

Libraries & Frameworks

Scikit-LearnPandasNumPySciPyFastAPI

Databases & Tools

PostgreSQLElasticSearchGoogle BigQueryMongoDB

ERP & Systems

OdooBaaNWMSOMSTMSMicrosoft ProjectJira

Additional Competencies

ForecastingTime Series AnalysisFeature EngineeringModel EvaluationWeb ScrapingData CollectionProject ManagementCross-functional Collaboration

CERTIFICATIONS

Professional Certifications


Full time Data Science

Hacktiv8 Bootcamp

October 2025 – January 2026

Score: 90%

Python (Basic)

HackerRank

December 2025

ID: 01ABB5E5562E

Intensive English Program

Kampung Inggris Language Center

September 2025

No.12998 / IEP.O / IX/ 2025

SQL (Intermediate)

HackerRank

July 2025

ID: 1C907F16DF48

Introduction to Data Science with Python

DQLab

August 2025

ID: DQLABINTP1TSQNNI

Management Supply Chain for Manufacture Industry

Kelas.com

November 2024

ID: CERT-7AFFA5C1

Quality Assurance Automation

Sanbercode Bootcamp

August 2023 – October 2023

No. 3683/122/SNBR/BOOTCAMP-KR/XI/2023

Mastering Data Analysis: Advanced Microsoft Excel

Edspert.id

July 2025

No. 22.489/WE-CERT/VII/2023

Education

Bachelor of Industrial Engineering

Universitas Pembangunan Nasional Veteran Yogyakarta

April 2022 Graduation

Yogyakarta, Indonesia

CONTACT

Get in Touch with Me

I'm always open to discuss exciting projects and new opportunities. Let's collaborate!

nuharaffaran@gmail.com
Tangerang, Banten

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