Hi, I'm Leonhard

Data Engineer

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.

4
Years Learning
Experienc e
12
Projects
50
Certifications

About Me

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

Leonhard Satria Suharjo

Projects

CANDI Project

Cloud Defense Intelligence (CANDI)

Dec 2025 - Present

Google Gemini GCP

Prototype AI-powered military logistics and security command center built with Google Cloud & Gemini 3.

SuplaiCerdas Project

SuplaiCerdas - AI Agent

Nov 2025 - Dec 2025

Python AI Agents

Prototype AI agent automating material price checking, comparison, and risk assessment for enterprises.

Le Petit Cafe Project

Le Petit Cafe - RAG Chat

Apr 2025 - May 2025

RAG Python Gemini

Generative AI LLM chat interface with retrieval-augmented generation capabilities.

LifeSynced Project

LifeSynced Application

Oct 2024 - Nov 2024

TypeScript React

All-in-one health companion syncing wellness, community, and technology for a healthier future.

Enterprise Scheduler

Enterprise Sales Scheduler

Jun 2023 - Jul 2023

Python SQL

Scheduler application with functioning database for manufacturer enterprises with insights and data tables.

Company Website

Company Website

Jul 2025

HTML/CSS JavaScript

Professional company website with responsive design and modern frontend features.

Calculator App

Physics Calculator App

Feb 2023 - Mar 2023

Python Database

Calculator for torque, inertia, and force with integrated SQL database for record-keeping.

Login System

Web Login System

Apr 2022 - May 2022

Flask SQLite

Complete web application login and registration system linked to a database.

Tourism Website

Indonesia Tourism Website

Oct 2021 - Mar 2022

HTML/CSS JavaScript

Informative website with linked tabs, clickable icons, smooth UI about Indonesia's tourism.

Certifications & Achievements (41 Total)

Scaling with Google Cloud Operations

Google

December 2025

ID: 20702508

DevOps GCP

Trust and Security with Google Cloud

Google

December 2025

ID: 20702069

GCP Cybersecurity

Google - Kaggle AI Agents 5-Day

Kaggle & Google

November 2025

AI Agents Python

Infrastructure Modernization

Google

September 2025

ID: 18578328

GCP

Innovating with Google Cloud AI

Google

August 2025

ID: 17720079

GCP Cloud Computing

Digital Transformation with GCP

Google

May 2025

ID: 15873556

GCP Cloud

Data Transformation with GCP

Google

May 2025

ID: 16036449

GCP Databases

2 Years on Kaggle

Kaggle

April 2025

Data Analysis

Google - Kaggle Gen AI 5-Day

Kaggle & Google

April 2025

Python ML Data Analysis

Palantir - 5 Certifications

Palantir Technologies

April 2025

Data Engineering Data Analysis

C Programming - 4⭐ Silver

HackerRank

March 2025

C Programming

Belajar DevOps

Dicoding Indonesia

November 2024 (Expires Nov 2027)

ID: 81P24LM38ZOY

DevOps

Python Programming - 5⭐ Gold

HackerRank

November 2024

Python

Code for Impact Hackathon

Devpost

September 2024

JavaScript TypeScript

Project Management

Dicoding Indonesia

September 2024 (Expires Sep 2027)

ID: 1RXYL9RR9PVM

PM

Bilingual Diploma

International Baccalaureate

July 2024

Academic

IB Academic Award - CS

Sekolah Victory Plus

December 2023

Databases Python

IELTS Academic - 7.5

IDP Education

August 2023

English

SAP Analytics Cloud

SAP

October 2023

Data Analysis

Best Innovation Award

SVP Innovation Month 2023

February 2023

Innovation

+ 21 More Certifications

Various (2022 & Earlier)

Including: Machine Learning, Cloud Practitioner, Dicoding courses, HackerRank badges, Mathematics HL, Science competitions, and more.

Publications (8 Articles)

450+ Day Streak on Duolingo

December 17, 2025

But does it matter? Reflections on consistency and learning.

CANDI - Cloud Intelligence Platform

December 8, 2025

AI-powered defense logistics and security command center.

AI Agents & Manufacturing Supply Chain

December 3, 2025

Building SuplaiCerdas: From Course to Real-World Automation

Post/Pre-order Traversal in Python Trees

November 9, 2025

Algorithm review from Data Structures course.

Infrastructure Modernization - GCP Learnings

September 26, 2025

Reflections after module 4 of GCP Digital Leader.

GCP Digital Leader Course - First 3 Modules

August 31, 2025

Course progress reflection over past weeks.

Learning Python & C with HackerRank

August 24, 2025

What HackerRank taught me about programming.

Le Petit Cafe - RAG Capstone Project

April 19, 2025

Deep dive into our Kaggle & Google Gen AI Capstone.

Get In Touch

💼

LinkedIn

Visit Profile

💻

GitHub

@L3onhrd

📝

Medium

Read Articles

🏆

Kaggle

Profile