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WELCOME!

Hi! I'mLeandro Tosunian,Web Developer.

I design and develop web applications end-to-end. TypeScript, Next.js, and Node.js are at the core of my current stack. Focused on scalable, maintainable code and efficient solutions.

Experience

Featured Projects

A set of projects showcasing my skills and experience in web development, highlighting the diversity of technologies and approaches used to solve real-world problems.

Online Booking SaaS

SacaTurno

Online booking SaaS for businesses. Each business gets a public page where clients pick a service, branch, specialist and time slot, and pay a deposit through Mercado Pago with no commission. The admin panel adds automated scheduling from weekly templates, branch and employee management with permissions, email reminders and analytics. It offers 3 plans billed monthly through Mercado Pago, a 15-day free trial and an interactive demo.

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Online Catalog

Telovendo Santa Fé

Website for Telovendo Santa Fé, a vehicle dealership. Modern responsive design, vehicle catalog, quote request form, private admin panel with CRM for client management and a digital PDF quoting tool.

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Custom Development

420app - Inventory & Orders

Custom-built web application to streamline product and order management. Features percentage-based price adjustments, individual profit margin settings, and efficient order management.

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Corporate Catalog

Altiva Propiedades

Web application for Altiva Propiedades with a responsive interface, institutional landing page, and property listing module with advanced filters. Includes a private admin panel with a real estate CRM.

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E-commerce

Somacann

E-commerce built on the proprietary E-Mart platform, with a product catalog, shopping cart, and Mercado Pago checkout. Implements order management and an optimized purchase flow.

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Landing Page

Encino Carpintería

Custom landing page for Encino Carpintería, focused on performance and user experience. Responsive design, asset optimization, SEO best practices, dynamic sections, and contact forms.

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E-commerce Platform

E-Mart

Full-featured e-commerce platform with a storefront and admin panel. Catalog with advanced filters, Mercado Pago checkout, user authentication, purchase history. Backoffice with full management of products, categories, shipping, orders, and automated notifications.

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Skills

Tech Stack

A set of technologies I use to build scalable, high-performance web applications

Languages

TypeScript
Java
HTML5
CSS3

Tools

GitHub
Postman
MongoDB Compass
SQL Workbench
Figma
Claude Code
Google Stitch

Frameworks

Technologies I use to build from the interface to the server.

Next.js

Node.js

Spring Boot

Express.js

Tailwind

Databases

Database systems I use for data persistence and management.

MongoDB

MySQL

Libraries

Tools I integrate to extend functionality across my projects.

React.js

Spring

Axios

Zod

Shadcn

JWT

Socket.io

Resend

Framer Motion

Mercado Pago

Cloudinary

Radix UI

jsPDF

Education

Courses & Certifications

Courses and certifications I've collected throughout my journey as a developer.

UCIP - HTML, CSS y JavaScript

HTML, CSS & JavaScript

UCIP - Mar del Plata, Argentina

A 4-month course focused on the fundamentals of web development: structure, styles, and interactivity from scratch.

Udemy - JavaScript Full Stack MERN/MEVN

JavaScript Full Stack MERN/MEVN

Udemy

Full stack web development with JavaScript. Frontend with React and Vue.js, backend with Node.js and Express, MongoDB as the database. Covers authentication, deployment, and modern web development best practices.

Udemy - Full Stack React, Next.js y Node.js con TypeScript

Full Stack React, Next.js & Node.js with TypeScript

Udemy

Comprehensive Full Stack training with React and TypeScript. Next.js 14 with Server Actions, Zustand, Zod, React Hook Form, APIs with Node.js, MongoDB (Mongoose) and PostgreSQL (Prisma), authentication and role management.

Anthropic Academy - Claude Code In Action

Claude Code In Action

Anthropic Academy

Hands-on course covering Claude Code's agentic CLI: building autonomous coding agents, leveraging tool use, managing context, and integrating Claude into real-world development workflows with the Anthropic API.

UTN Facultad Regional Mar del Plata
Mar del Plata, Argentina

Higher Technical Degree in Programming

UTN - Universidad Tecnológica Nacional

Full stack profile in advanced training, geared toward joining professional development teams: hands-on with Java + Spring Boot on the backend and Angular on the frontend, backed by solid foundations in computer science, software architecture, and design patterns. Experience applying agile methodologies, systems analysis and design, and project management across the real software development lifecycle.

Status

Final semester

Expected graduation

December 2026

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Let's get in touch

If you've made it here, we probably have something to talk about. Feel free to reach out, whether for a project or a job opportunity.