450+ Day Streak on Duolingo
December 17, 2025
But does it matter? Reflections on consistency and learning.
Hello there!, welcome to my personal site, my name's Leonhard, a current Data Analysis student at the University of Messina in Italy I build scalable backends, AI-powered solutions, and cloud integration that drive real-world impact.
Data Analysis (Computer Science) student at the University of Messina, Italy, with hands-on experience in backend & frontend programming, database management, and cloud implementation through personal projects and certifications.
I am eager to connect with individuals to share knowledge and explore new opportunities in the tech field.
📧 Reach me at: leonhard.suharjo@gmail.com
🌐 Linkedin: My Linkedin
📝 Medium: My Articles
👩🏫 Github: My Github
Dec 17, 2025
Reflections on consistency, learning habits, and linguistic persistence.
Read on Medium →Dec 3, 2025
Building SuplaiCerdas: From Google-Kaggle's AI Agents Course to Real-World Supply Chain Automation.
Read on Medium →Dec 8, 2025
AI-powered military logistics and security command center with Google Cloud & Gemini.
Read on DEV →Dec 2025 - Present
Prototype AI-powered military logistics and security command center built with Google Cloud & Gemini 3.
Nov 2025 - Dec 2025
Prototype AI agent automating material price checking, comparison, and risk assessment for enterprises.
Apr 2025 - May 2025
Generative AI LLM chat interface with retrieval-augmented generation capabilities.
Oct 2024 - Nov 2024
All-in-one health companion syncing wellness, community, and technology for a healthier future.
Jun 2023 - Jul 2023
Scheduler application with functioning database for manufacturer enterprises with insights and data tables.
Jul 2025
Professional company website with responsive design and modern frontend features.
Feb 2023 - Mar 2023
Calculator for torque, inertia, and force with integrated SQL database for record-keeping.
Apr 2022 - May 2022
Complete web application login and registration system linked to a database.
Oct 2021 - Mar 2022
Informative website with linked tabs, clickable icons, smooth UI about Indonesia's tourism.
December 2025
ID: 20702508
December 2025
ID: 20702069
Kaggle & Google
November 2025
September 2025
ID: 18578328
August 2025
ID: 17720079
May 2025
ID: 15873556
May 2025
ID: 16036449
Kaggle
April 2025
Kaggle & Google
April 2025
Palantir Technologies
April 2025
HackerRank
March 2025
Dicoding Indonesia
November 2024 (Expires Nov 2027)
ID: 81P24LM38ZOY
HackerRank
November 2024
Devpost
September 2024
Dicoding Indonesia
September 2024 (Expires Sep 2027)
ID: 1RXYL9RR9PVM
International Baccalaureate
July 2024
Sekolah Victory Plus
December 2023
IDP Education
August 2023
SAP
October 2023
SVP Innovation Month 2023
February 2023
Various (2022 & Earlier)
Including: Machine Learning, Cloud Practitioner, Dicoding courses, HackerRank badges, Mathematics HL, Science competitions, and more.
December 17, 2025
But does it matter? Reflections on consistency and learning.
December 8, 2025
AI-powered defense logistics and security command center.
December 3, 2025
Building SuplaiCerdas: From Course to Real-World Automation
November 9, 2025
Algorithm review from Data Structures course.
September 26, 2025
Reflections after module 4 of GCP Digital Leader.
August 31, 2025
Course progress reflection over past weeks.
August 24, 2025
What HackerRank taught me about programming.
April 19, 2025
Deep dive into our Kaggle & Google Gen AI Capstone.