Hi, there!

I'm Kamal Muftie Yafi

Certified Associate Data Scientist & Data Engineer with strong analytical background and experience supporting data-driven decision making. Skilled in data preparation, performance reporting, and dashboard development to monitor operations and identify improvement opportunities. Experienced in collaborating with cross-functional teams and delivering accurate, reliable insights to support management planning and execution.

Publications

Muftie, F., Yafi, K. M., & Addina, Q. M. (2024). Perbandingan performa deteksi cyberbullying dengan transformer, deep learning, dan machine learning. Jurnal Pendidikan Informatika Dan Sains, 13(1), 75-87. https://doi.org/10.31571/saintek.v13i1.4002

Rifaie, F., Arida, E., Maireda, N. L., & Yafi, K. M. (2023). Human-Water Monitor Conflicts in Indonesia: Spatial Patterns and Mitigation Alternatives. Journal of Tropical Ethnobiology, 6(1), 1-15. https://doi.org/10.46359/jte.v6i1.160

Experiences

Work Experiences

Aug 2025 - Feb 2026

ULIP Digital & Technology - Unilever Indonesia

  • Enabled faster data-driven decisions across business teams by designing and maintaining Power BI dashboards to monitor distribution, social media, and price-promo performance.
  • Partnered with business stakeholders to translate business questions into data requirements, KPIs, and actionable insights.
  • Enabled accurate and automated data delivery by building end-to-end ETL pipelines from the data lake to Power BI using Azure Databricks.
  • Ensured report accuracy, consistency, and reliability by conducting data validation and user acceptance testing (UAT).
  • Increased operational efficiency by reducing manual work through automated reporting workflows using Power Automate.
Dec 2024 - Mar 2025

Technical Services Intern - PT Freeport Indonesia

  • Reduced excess inventory by 20% and minimized procurement delays by analyzing SAP ERP inventory and material order data to optimize min-max stock levels.
  • Reduced overcapacity and overwork risks by 25% by forecasting annual workloads across 8 work centers.
  • Strengthened reporting quality and cross-functional coordination by creating interactive Excel dashboards to monitor budget utilization and operational compliance.
Feb 2024 - Jun 2024

Data Exploration Intern - PT Nutrifood Indonesia

  • Increased logistics efficiency and operational alignment through route clustering and automated delivery scheduling developed in Python and R.
  • Worked closely with the logistics team to validate optimization results and ensure business relevance.
Feb 2023 - Jun 2024

IT Club Instructor - SMA Sejahtera 1 Depok

  • Mentored and guided 10+ high school students in the IT Club extracurricular, focused on Python language.
  • Developed Python curriculum for whole year of study, integrating the latest industry trends and best practices.
Sep 2022 - Jan 2024

Statistical Laboratory Assistant - Department of Mathematics Universitas Indonesia

  • Facilitate interactive synchronous lab sessions for Introduction to Data Science, Data Exploration and Visualization, Linear Modelling, Introduction to Multivariate Analysis, and Nonparametric Statistics courses.
  • Taught a total of 240+ students of Mathematics, Statistics, and Actuarial Science study programs in applying theoretical concepts by coding and programming via software such as Python, R, and Microsoft Excel.
  • Created assignments and a comprehensive quiz to assess student progress.

Organizational Experiences

Mar 2022 - Feb 2023

Staff of Evaluation Management, Research, and Analysis Bureau - Himpunan Mahasiswa Departemen (HMD) Matematika FMIPA UI

  • Created a report and designed an interactive dashboard to track organizational KPIs of 13 bureaus and departments.
  • Led analysis reports on 7 work programs of the Simetri (Syiar Matematika Ar-Ruh Al-Islamiyah) Department.
  • Structured 60+ internal publication data in Notion, improving cross-team documentation workflows.
Mar 2022 - Jan 2023

Staff of Research and Development Bureau - Badan Eksekutif Mahasiswa FMIPA UI (Faculty Student Executive Board)

  • Collected data of outstanding students from 6 departments of FMIPA UI and nominated the best department by leaderboards.
  • Created 2 infographics about surveys on @bemfmipaui Instagram, LINE, and Facebook account with over 200 likes in total.

Skills

skill Python
skill R
skill SQL
skill Power BI
skill Looker Studio
skill Tableau
skill Apache Spark
skill Azure Databricks
skill Microsoft Office
skill Visual Basic
skill SAP
skill HTML5
skill CSS3
skill JavaScript
skill Git
skill GitHub
skill GNU Octave
skill Mathematica

Projects

Rupiah Exchange Rate ARDL Model

Application of Autoregressive Distributed Lag (ARDL) in modeling the effect of money supply on rupiah exchange rate.

View on GitHub

Hoax Classification

Created a cross-validated SVM model with an accuracy of 85.7% using TF-IDF vectorizer method to detect hoax narrative using hoax dataset from MAFINDO dataset.

View on GitHub

Data Mining on Property Data

Performed data preprocessing and EDA on property data in Indonesia to derive insights on house prices across cities and identified key characteristics of the most sought-after properties.

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Breast Cancer Differential Gene Expression Analysis

Conducted Gene Filtering, LIMMA Analysis, and Gene Ontology to investigate genes that are expressed differently between normal cell and cancer cell.

View on GitHub

Emotion Analysis Twitter Bahasa

Multiclass classification task to perform emotion analysis of tweet using NLP. Obtained LR-TFIDF model with 65.22% accuracy (precision 72,6%, recall 66,8%, dan F1-score 68,8%).

View on GitHub

Clustering and Discriminant Analysis on Stunting Cases in Indonesia

Cluster analysis grouped Indonesian provinces into two based on infant stunting rates by age, revealing that the average age at first pregnancy is the most significant contributing factor.

View on GitHub

Stock Forecasting PT. Telkom Indonesia (Persero) Tbk [TLKM]

Created ARIMA(p,d,q) model to forecast the stock price of PT. Telkom Indonesia (Persero) Tbk [TLKM] On October, 2004 - June 16, 2023.

View on GitHub

Electric Vehicle Predictions

Created SARIMA(p,d,q)(P,D,Q)m model to forecast the number of Electric Vehicles (EVs) in counties of Washington.

View on GitHub

Electric Vehicle Dashboard

Created a dashboard visualizing electric vehicle trends and forecasts across Washington State counties, alongside existing charging infrastructure.

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Online Food Delivery Database System

Designed an online food delivery database system using SQLite, including simulated user, seller, and driver interactions.

View on GitHub

GPA Calculator

Cumulative GPA Calculator for Mathematics, Statistics, and Actuarial Science study programs in Universitas Indonesia.

View on Sheets View on Excel

Management Survey Dashboard

Developed an interactive dashboard using Looker Studio to present the 2022 HMDM FMIPA UI management survey report.

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Certifications

License to Operate Databricks

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Fundamental of Data Engineering

Credential: 19510545840-372/FGA/BLSDM.Komdigi/2025

Associate Data Scientist

Credential: 63111 2120 6 0002514 2025

SQL (Intermediate)

Credential: F6B8EA9251B2

Probability and Statistics (A20)

Credential: 0789/KP/PAI/I/2025

Fundamental Course Software Engineering

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Data Science Academy

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Data Visualization Workshop (Tableau Sponsored)

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Data Exploration and Visualization using Python

Credential: #DQLAB

Zero to Hero in Microsoft Excel

Credential: UC-968c14bc-d9e7-4b97-85fb-53d04869acfd