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Hi! I'm Luthfiyah Astutiningtyas

I am a Bachelor of Mathematics graduate from Universitas Negeri Semarang with a strong foundation in data analysis, processing, and visualization. Proficient in SQL, Python, Tableau, and Excel, I have hands-on experience in managing and analyzing complex datasets, creating interactive dashboards, and delivering data-driven solutions that support informed decision-making. My passion lies in uncovering insights through data and leveraging it to solve complex problems, while continuously exploring new technologies and enhancing my skills. With a commitment to innovation and adaptability, I am eager to contribute as a Data Analyst, Data Scientist, or Data Engineer to impactful projects across various industries.

Education

List of my education belows

Universitas Negeri Semarang

Bachelor of Mathematics, GPA 3.52

2018 - 2024

SMAN 1 Cikarang Barat

Sains

2015 - 2018

Courses

Fundamental of Data Engineering

KOMDIGI x DQLab
July 2025 – August 2025

Google Data Analytics

KOMINFO x Google
September 2022 – November 2022

Skills

Projects

Here are some of my projects in Data

  • All
  • Data Analysis
  • Data Visualization
  • Data Engineering
  • Machine Learning

Developed an ETL pipeline in Python (Pandas) to process 150,000+ Uber ride records. Extracted raw CSV ride data, transformed it through datetime unification, ID standardization, categorical encoding, missing value handling, duplicate removal, and calculation of revenue per km.

Tools: Google Colab, BigQuery

Developed an ELT pipeline: scraped 28,000+ app reviews (Python), loaded into BigQuery, and applied SQL transformations.

Tools: Google Colab, BigQuery

E-Commerce Data Dashboard & Visualization: Designed an Interactive Dashboard to Visualize Key E-commerce Metrics, Including Total Orders, Revenue, Customers and Seller.

Tools: Looker Studio

End-to-end Analysis of E-commerce Transactions, Covering Total Orders, Revenue, Customers, and Sellers. Evaluate On-time vs Late Deliveries, and Provide Data-driven Recommendations for Operational Improvements.

Tools: Google Colab

SuperStore Dashboard: Total Sales, Total Units Sold, Total Orders, Product Qunatity Distribution by Category & Segment, Shipment Overview & Performance Metrics.

Tools: Looker Studio

Interactive HR Dashboard: Employee Distribution by Gender, Age, Salary, and Work Duration, Retention vs. Turnover Analysis, and Top 10 Reasons for Employee Attrition.

Tools: Tableau

Brazilian E-commerce Dashboard: Top-rated Products, Highest Sales and Revenue, Store-wide Performance, Yearly Sales and Revenue Trends, and Analysis of Peak Order Days.

Tools: Tableau

Implementation of Auto ARIMA, PSO-LSTM, and PSO-GRU for Time Series Modeling of 3 Telecommunication Company Stock Prices LQ45 Index.

Tools: Google Colab

Forecasting Time Series the Population of Bekasi Regency Using Double Exponential Smoothing Brown Algorithm.

Tools: Eviews

Implementation of Moving Average and Single Exponential Smoothing Methods in Predicting the Stock Price of Toll Development Service Company.

Tools: Minitab

Implementation of Convolutional Neural Network (CNN) for Rock, Paper, and Scissors Image Classification with Accuracy Optimization.

Tools: Google Colab

Certificate

Certificate of Courses

SQL Database Management

KOMDIGI x DQLab

Belajar Data Structured Query Language (SQL)

Indosat Ooredoo Hutchison x Dicoding Indonesia

Data Analytics

Kominfo

Data Scientist Virtual Internship Experience

Rakamin Academy x ID/X Partners

Belajar Machine Learning untuk Pemula

Indosat Ooredoo Hutchison x Dicoding Indonesia

Memulai Pemrograman dengan Python

Indosat Ooredoo Hutchison x Dicoding Indonesia

Belajar Dasar Visualisasi Data

Indosat Ooredoo Hutchison x Dicoding Indonesia

Event Planning Division

General Election Committee of Mathematics Department

Leadership and Managerial in Mathematics

Mathematics Students Association

Contact

Connect with me!