SJ_O

Past Projects

Nanocellum — Growth Condition Optimization by Nanocellum Bio-Integrated Design
Data Analytics2022

Nanocellum — Growth Condition Optimization

IoT sensor pipeline and analytics dashboard to identify optimal growth conditions for bacterial nanocellulose sheets — targeting consistent structure, maximum thickness, and sub-7-day yield.

Nanocellum Bio-Integrated Design
  • Python
  • Pandas
  • SQL
  • Arduino
  • +4
VeloTrack — Retail Data Warehouse & Analytics by VeloTrack Cycling & Outdoor
Data Analytics2025

VeloTrack — Retail Data Warehouse & Analytics

Star schema data warehouse consolidating CRM, ERP, and POS sources into a single PostgreSQL pipeline — enabling automated sales, inventory, and customer demographic reporting for a cycling retailer.

VeloTrack Cycling & Outdoor
  • PostgreSQL
  • Star Schema
  • ETL Pipeline
  • SQL
  • +4
Harvest Index — Global Food Supply Volatility by Personal Project
Data Analytics2025

Harvest Index — Global Food Supply Volatility

Multi-table FAO dataset analysis identifying which regions face the highest food supply volatility relative to domestic production — using SQL for modelling and Tableau for geographic storytelling.

Personal Project
  • Python
  • Pandas
  • PostgreSQL
  • SQL
  • +6
Sensphere — Global GHG Emissions Explorer by Personal Project
Data Analytics2024

Sensphere — Global GHG Emissions Explorer

Multi-source greenhouse gas dataset consolidation and exploratory analysis — comparing industrial GHG contributions by country and sector where no single combined resource previously existed.

Personal Project
  • Python
  • Pandas
  • Excel
  • Tableau
  • +4
Pulse — Energy Consumption Forecasting by Personal Project
Machine Learning2023

Pulse — Energy Consumption Forecasting

Energy consumption forecasting model using Random Forest and XGBoost regression — with feature engineering incorporating location-specific holidays and historical extreme weather events to explain anomalies and improve accuracy.

Personal Project
  • Python
  • Pandas
  • Scikit-learn
  • XGBoost
  • +6
CuxS Nanopowder — Phase Prediction & Synthesis Optimization by BIOX Lab, Alba Nova — KTH Royal Institute of Technology
Machine Learning2020

CuxS Nanopowder — Phase Prediction & Synthesis Optimization

Thermodynamic (Equilibrium Diagram) modelling and statistical analysis to optimize microwave-assisted synthesis of copper sulfide nanopowders — identifying synthesis temperature as the dominant factor governing phase composition and electrical conductivity.

BIOX Lab, Alba Nova — KTH Royal Institute of Technology
  • Python
  • Excel
  • Statistical Analysis
  • Thermodynamic Modelling
  • +4
Breast Cancer Diagnosis Predictor by Personal Project
Machine Learning2025

Breast Cancer Diagnosis Predictor

Interactive diagnostic web interface that predicts benign vs malignant breast cell clusters from nuclei measurements.

Personal Project
  • Python
  • Pandas
  • Plotly
  • Scikit-learn
  • +2