Open to Opportunities

Hi, I'm
Daffa Ahmad
Pangreksa

— Data Science Student · ML Enthusiast · AI Explorer

S1 Data Science student at UNESA with GPA 3.92. Experienced in Data Science, specializing in machine learning, statistical modeling, NLP, and data mining developed through competitions and academic projects.

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Daffa Ahmad Pangreksa
Python
ML / AI
3.92 GPA
R²=0.91 Best Model
01 - About

About Me

A S1 Data Science student at Universitas Negeri Surabaya (UNESA) with a GPA of 3.92/4.00. Strong interest in data processing, machine learning, and artificial intelligence. Experienced in handling data through various academic projects and competitions to produce impactful solutions.

Known as a detail-oriented, analytical, and communicative individual, always striving to produce high-quality data-driven insights. Involved in several activities at Himasada UNESA as part of a commitment to developing the data science ecosystem in Indonesia.

3.92

GPA / 4.00

10+

Completed Projects

Top 6

National Competition

profile.json

"name": "Daffa Ahmad Pangreksa",

"role": "Data Science Student",

"university": "UNESA",

"gpa": 3.92,

"focus": [

"Machine Learning",

"Data Science",

"Big Data & Cloud Computing"

],

"available": true

02 - Skills

Tech Stack

Programming

Python, R, SQL

90%

Machine Learning

Scikit-learn, XGBoost, Deep Learning

85%

NLP

Text Processing, Sentiment Analysis

80%

Data Analysis & Viz

Pandas, Matplotlib, Seaborn, Power BI

88%

Database & SQL

MySQL, PostgreSQL, Data Wrangling

82%

Signal & Image Processing

DSP, OpenCV, Librosa

75%
03 - Projects

Latest Projects

View Project
Machine Learning

Diabetes Risk Prediction

Diabetes risk prediction model using machine learning algorithms with high accuracy to assist in early diagnosis.

Python Scikit-learn XGBoost
GitHub
View Project
NLP

MBG Sentiment Analysis

Public sentiment analysis of the Free Nutritious Meal program using Natural Language Processing techniques.

Python NLP BERT
GitHub
View Project
Signal Processing

Music Genre Classifier

Music genre classification system based on Digital Signal Processing using MFCC features and machine learning.

Python Librosa DSP
GitHub
View Project
DSA

Intalenta - Course Recommendation

Course recommendation system based on Data Structures & Algorithms to help users find suitable courses.

Python DSA Recommender
GitHub
View Project
App

Calmy - Daily Calorie Tracker

Python-based daily calorie tracker application that helps users effectively monitor their nutritional intake.

Python OOP CLI App
GitHub
View Project
Data Mining

MSME Revenue Prediction

MSME revenue prediction model with XGBRegressor achieving R² = 0.91, developed in the national DISCO competition.

XGBoost Pandas Data Mining
GitHub
03.5 — GitHub

Other Projects

See more projects on my GitHub Repository. (Loaded automatically from GitHub API)

View All Projects
Live from GitHub API
04 - Experience

Experience

Basic Programming Teaching Assistant

Universitas Negeri Surabaya (UNESA) Sep - Des 2025

Mentored 72 undergraduate students in 2 classes through weekly Python lab sessions. Evaluated programming assignments and collaborated with lecturers to align practicum syllabus with Data Science curriculum standards.

PythonMentoringTeaching

6th Place Finalist - Data Mining Competition (DISCO)

Universitas Trunojoyo Madura Mei - Jun 2025

National data mining competition. Developed a data analysis solution to map market opportunities for 5,000+ MSMEs and built an XGBRegressor revenue prediction model with R² = 0.91.

XGBoostData MiningSegmentasi

Event Division Staff - ACTION 2025

HMP Sains Data (Himasada) UNESA Jun - Des 2025

Planned and executed the event flow for a national infographic competition with 150+ participants. Served as the main moderator and managed the final competition data.

Event ManagementModerator

Logistics & Equipment Staff - RELOUD 2024

HMP Sains Data (Himasada) UNESA Sep - Nov 2024

Managed logistics needs for an inauguration event with 300+ participants. Coordinated with 5+ divisions and external vendors, maintaining budget efficiency.

LogistikKoordinasi
05 - Contact

Let's Collaborate

Open to discussions about data science projects, research, and collaboration opportunities.

Email

daffaahmadpangreksa@gmail.com

WhatsApp

+62 896-8700-8503

Location

Driyorejo, Gresik - East Java

LinkedIn

linkedin.com/in/daffaahmadpangreksa