Portfolio

Data Science
Business Intelligence

I transform complex datasets into actionable insights through machine learning, data visualization, and analytical thinking.

Data ScienceBusiness IntelligenceProduct Analytics
Information Systems Undergraduate, Universitas Indonesia. Focused on analytics, machine learning, dashboarding, and product-oriented digital solutions.
About

About me.

A concise profile shaped around data, business context, and user-centered product work.

Foto profil Gilang Saputra

I am a third-year Information Systems undergraduate at Universitas Indonesia with a strong interest in Data Science, Business Intelligence, and Product Analytics.

I enjoy turning complex datasets into practical insight through machine learning, visualization, and structured analysis.

Beyond analytics, I have experience building end-to-end digital products, from user research and feature design to full-stack application development. I focus on solutions that connect technical execution with business problems and user needs.

Experience

Management Information System Intern

BI dashboarding, data validation, finance administration support, and reporting workflow improvement.

Management Information System Intern

Finance • Manufacturing • Reporting Workflow
June 2025 – August 2025
  • Developed interactive Power BI dashboards for Finance and Manufacturing reporting.
  • Processed and validated operational datasets using SQL and Python.
  • Supported payment documentation and finance administration workflows.
  • Documented approval workflows and resolved data synchronization issues.

Impact: Improved reporting efficiency and supported data-driven decision making across Finance and Manufacturing teams.

Power BISQLPythonBusiness IntelligenceData Processing
Projects

Selected portfolio projects

Interactive project cards. Filter by domain or open each card for detailed approach, results, stack, and resource labels.

Preview project Weather Analytics & Power Outage Prediction Machine Learning

Weather Analytics & Power Outage Prediction

End-to-end machine learning solution to analyze weather conditions and predict electricity outage risks using more than 14,000 hourly weather observations.

Pythonpandasscikit-learnXGBoost
Click for details
Preview project SpeedView: Formula 1 Analytics Platform Full-stack Analytics

SpeedView: Formula 1 Analytics Platform

Cross-platform Formula 1 analytics platform that transforms racing data into interactive insights across web and mobile applications.

FlutterDjangoREST APIPostgreSQL
Click for details
Preview project Kelana: UX Research & Mobile App Design UX Research

Kelana: UX Research & Mobile App Design

Mobile application prototype that helps travelers discover destinations, plan trips, communicate with local communities, and understand the social impact of their journeys.

FigmaUser InterviewPersonaJourney Map
Click for details
Skills

Skills & tools

Grouped by practical portfolio function: analytics, machine learning, UX/product, and engineering delivery.

Data & Analytics

SQLPythonData CleaningFeature EngineeringVisualizationKPI AnalysisPower BI

Machine Learning

ClassificationRegressionClusteringXGBoostLightGBMOptunaModel Evaluation

Product & UX

User ResearchPersonasJourney MappingUser FlowInformation ArchitectureFigma

Engineering

DjangoREST APIPostgreSQLFlutterFull-stack DevelopmentDocumentation
Contact

Let’s turn data into insight.

Email me for data analytics, dashboarding, machine learning, product analytics, or UX research collaboration.