Ariansyah

Data Scientist & Optimization Engineer

Experienced in translating mathematical methods into practical solutions across diverse domains.

Languages

Python SQL R MATLAB

Optimization & Modeling

Operations Research Meta-Heuristic Mathematical Simulation Dynamic System Graph Network

AI / ML

Deep Learning Machine Learning Time Series Analysis Computer Vision

Data

Statistical Analysis Data Visualization Geospatial Analysis Data Pipeline Exploratory Analysis

Project Ledger

University Timetabling Optimization ALNS-based timetabling model achieving 7x faster computation than CP-SAT without significant quality loss. Optimization / OR PythonOperations ResearchMeta-Heuristic
Lecturer-Course Assignment Optimization ILP model balancing faculty workloads and maximizing performance under expertise and workload constraints. Optimization / OR PythonOperations Research
Financial & HR Monitoring Dashboards Interactive dashboards tracking financial KPIs and HR workforce metrics using Python and SQL. Data Analytics PythonSQLData Visualization
Pipe Deformation Detection from MFC Data Reconstructing and detecting pipe deformation from MFC data using ellipse fitting, spline interpolation, and clustering. Math ModelingAI / ML PythonMATLABMachine Learning
Pneumonia Modeling with Air Pollution Master's thesis modeling pneumonia transmission dynamics incorporating air pollution via differential equations. Math Modeling PythonMATLABDynamic System
Speaker Recommendation System Neural network content-based recommendation system for speakers, deployed in an Android app prototype. AI / ML PythonDeep LearningData Pipeline
Alzheimer Diagnosis from MRI CNN classifying four Alzheimer severity levels from 6,400 MRI scans with 100% test accuracy. AI / ML PythonComputer VisionMachine Learning
CNN Trading Algorithm: CAKE Stock CNN trading classifier converting stock data into images, simulating a 3.26× return on initial capital. AI / ML PythonComputer VisionTime Series Analysis
Climate Data Imputation: Jakarta-Banten Benchmarking KNN, Spline, and Gaussian Process imputation on Jakarta-Banten climate data (2008–2024). Data AnalyticsMath Modeling PythonRStatistical Analysis

Background & Credentials

Experience

  • Apr 2026 — Present Optimization Engineer Integrated Decision Systems Consultancy

    Developing and implementing optimization models for complex operational problems.

  • Nov 2025 — Apr 2026 Data Scientist PT. Edu Media Digital, Bandung

    Developed university timetabling and lecturer-course assignment optimization models. Implemented ALNS algorithm achieving 7x faster computation than CP-SAT. Built Financial and HR monitoring dashboards using Python and SQL.

  • Aug 2024 — Dec 2025 Grading Assistant Institut Teknologi Bandung

    Evaluated and graded assignments for 300+ students across Calculus, Engineering Mathematics, Matrices & Vector Spaces, and Linear Algebra. Developed clear grading rubrics for fair assessment.

  • Aug — Dec 2023 Head Shift — Math Simulation & Computation Lab Institut Teknologi Bandung

    Led 4 lab assistants, guided 50+ students in Python simulation and computation covering syntax, debugging, and visualization. Developed test problems for mathematical simulation.

Education

  • M.Sc. Computational Sciences Institut Teknologi Bandung · GPA 3.97/4.00 · 2024–2025

    One-year fast-track program combining bachelor's and master's studies.

  • B.Sc. Mathematics Institut Teknologi Bandung · GPA 3.33/4.00 · 2020–2024

    Meritorious Award — SCUDEM VIII 2023 mathematical modelling competition.

Certifications

  • DeepLearning.AI TensorFlow Developer DeepLearning.AI
  • DeepLearning.AI Machine Learning DeepLearning.AI