Full-Stack
SaaS Builder

From Concept to Launch

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About Me

The Architect Behind The Systems

Antoine Hostier

BUILDING DIGITAL CATHEDRALS

I’m a full-stack engineer and SaaS builder who turns ideas into working, scalable products.

I design systems end-to-end — from data pipelines and backend architecture to UI design and polished final interfaces. I work fast, think pragmatically, and deliver reliably.

I’m currently open to full-time opportunities and contract work where I can build meaningful, high-impact technology.

Projects

The Archive of Creations

TrackImmo
Open Vault

PropTech Platform

TrackImmo

A complete real-estate prospecting SaaS platform featuring multi-role subscription management, predictive pricing algorithms, and complex data mining pipelines.

ReactShadcnSupabase+2
TrackAutos
Open Vault

Automotive Lead-Tracking SaaS

TrackAutos

Lead-tracking platform for professional car resellers with prospect management, inventory tracking, and integrated CRM functionality.

ReactPrimeReactZustand+2
DirectivAI
Open Vault

Bespoke Automation Architect

DirectivAI

Orchestrating complex workflows across diverse ecosystems. I engineer custom integrations that bridge the gap between fragmented tools—unifying CRMs, Airtable, Asana, and Google Workspace with diverse glue-code solutions like n8n, Make, Google Apps Script, and Python-based AI agents.

n8nMakeApps Script+4

Skills Matrix

The Compass Room

Frontend

React95%
Angular55%
Tailwind92%
Shadcn/UI90%
PrimeReact85%
Storybook80%
Cypress65%
TypeScript85%
Backend
AI & Data
DevOps
React95%Angular55%Tailwind92%Shadcn/UI90%PrimeReact85%Storybook80%Cypress65%TypeScript85%
Global Operations

The Atlas

Navigational Chart

FIG. 42-A
MTLPARMXCTPE

Chronicle

2018–2024
19

B.Eng. Mechanical Engineering

Education

Polytechnique Montréal

22

Academic Exchange

International

National Taiwan University

23

Academic Exchange

International

Universidad de las Américas Puebla

23

Military Officer Bootcamp

Military

13th Alpine Chasseurs Battalion

23

Freelance Software Engineer

Work

DirectivAI — AI Automation

24

Solo Developer & CTO

Work

TrackImmo — PropTech Platform

24

Solo Developer & CTO

Work

TrackAutos — Automotive SaaS

The Creed

I build products, not just features.

I ship fast, iterate faster.

My code is my craft — clean, tested, deployed.

The Laboratory

Experimental prototypes

MIPS Bubble Sort

Program to generate and sort an array of positive integers with bubble sorting method.

AssemblyMIPS

3D Car Landing Page

Three.js 3D car landing page.

JavaScriptThree.js

Iono

Radio wave propagation map simulator.

TypeScript

OSM-MCP

Geocoding and vector data query MCP for OSM data.

PythonMCP

IQ Lab

Signal analysis with UI in C.

C

LBC Client

Unofficial client for Leboncoin API.

Python

Get in Touch

The Final Door

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